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jjshabadoo
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December 22, 2011, 12:35:56 AM
 #1

I thought it might be worthwhile to create an ongoing thread for those of us with 5970's to share info about clocks, voltage, cooling, mining software settings, etc.

Since many people have recently purchased these from newegg, etc. it might help us to optimize these cards to their full potential.

My current set-up is:

2 identical rigs

MSI 890FXA-GD70
AMD sempron 145 sargas 2.8GHz 45 watt
crucial 2x1gb ddr3 1066 ram
seasonic X750 watt gold psu
2 x ati 5970 video cards at 800gpu/300mem
16gb USB flash drive with linuxcoin final

I used 2 old computer cases with all hard drive cages and anything extra removed.
I am using cgminer 2.0.7
My average hash rate is 1.4GH/s on each machine or 700MH/s on each card
average gpu temps are 50-60c depending on card placement, each card is also slightly different.
I have not monitored VRM temps yet.

I plan on adding two more 5970's to each machine with a daisy chained seasonic X750 and a custom rack to hold the GPU's with pci x16 molex powered extenders.

I have also removed the stock cooling on the four cards I am not using and in the process of replacing the thermal paste and thermal pads. I will post when I get the cards working properly again. Any suggestions on replacing the pads and TIM are appreciated.

I plan to use .5mm thermal pads for the ram and other cooling points and 1mm pads for the VRMs. I will use arctic MX3 on the GPU's and plan on experimenting with shin-etsu X23-7783D if I can get it to spread properly!
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plastic.elastic
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December 22, 2011, 03:56:38 PM
 #2

I thought it might be worthwhile to create an ongoing thread for those of us with 5970's to share info about clocks, voltage, cooling, mining software settings, etc.

Since many people have recently purchased these from newegg, etc. it might help us to optimize these cards to their full potential.

My current set-up is:

2 identical rigs

MSI 890FXA-GD70
AMD sempron 145 sargas 2.8GHz 45 watt
crucial 2x1gb ddr3 1066 ram
seasonic X750 watt gold psu
2 x ati 5970 video cards at 800gpu/300mem
16gb USB flash drive with linuxcoin final

I used 2 old computer cases with all hard drive cages and anything extra removed.
I am using cgminer 2.0.7
My average hash rate is 1.4GH/s on each machine or 700MH/s on each card
average gpu temps are 50-60c depending on card placement, each card is also slightly different.
I have not monitored VRM temps yet.

I plan on adding two more 5970's to each machine with a daisy chained seasonic X750 and a custom rack to hold the GPU's with pci x16 molex powered extenders.

I have also removed the stock cooling on the four cards I am not using and in the process of replacing the thermal paste and thermal pads. I will post when I get the cards working properly again. Any suggestions on replacing the pads and TIM are appreciated.

I plan to use .5mm thermal pads for the ram and other cooling points and 1mm pads for the VRMs. I will use arctic MX3 on the GPU's and plan on experimenting with shin-etsu X23-7783D if I can get it to spread properly!


Its not daisychained, noob.... jesus b4 you break your cards, just leave it be and hash without down time.

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December 22, 2011, 05:11:00 PM
 #3

OK, dual power supply adapter cable.

Ok, so I'm a noob with using multiple PSU's, does that matter? I'm here to learn and improve and possibly help others. The title of my post was not " The definitive guide to using four ati 5970's on one mobo"

Thanks for the constructive advice though.

I didn't get into this to make money, I enjoy hardware as a hobby.
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December 22, 2011, 05:43:12 PM
 #4

Its not daisychained, noob.... jesus b4 you break your cards, just leave it be and hash without down time.

Icy hot burn bro

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December 22, 2011, 08:00:40 PM
 #5

OK, dual power supply adapter cable.

Ok, so I'm a noob with using multiple PSU's, does that matter? I'm here to learn and improve and possibly help others. The title of my post was not " The definitive guide to using four ati 5970's on one mobo"

Thanks for the constructive advice though.

I didn't get into this to make money, I enjoy hardware as a hobby.

My advice: dont tinker with things you dont know or not sure about.

Leave those cards intact, instead focus on custom box to drive cool air to the cards. More efficient that way.

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December 22, 2011, 08:46:58 PM
 #6

I see your point, but I want to learn and although my purpose isn't to ruin a graphics card in the process, I'm willing to take that risk.

I've built custom water cooling loops before without issue and have never run into a graphics card which needed different size pads, etc. Of course I have never put a water block on a dual GPU before either.

Also in another thread I meant to say 1mm pads for ram and .5 pads for VRM. I shouldn't have posted the opposite in case someone screws that up.

Nonetheless, I'll refrain from posting any advice about hardware in the future and leave it to others. I'll simply post results like hash rates, software settings, etc.

Thanks for the advice anyway however harsh your delivery may be.

I'll send you a 5970 if I burn one up. Maybe you can fix it and mine some coins for yourself.
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December 22, 2011, 10:24:05 PM
 #7

Have you ever used Ceramique?? Its a great heatsink compound,nonmetallic unlike some others.

Just a thought Grin

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December 22, 2011, 11:00:37 PM
 #8

OK, dual power supply adapter cable.

Ok, so I'm a noob with using multiple PSU's, does that matter? I'm here to learn and improve and possibly help others. The title of my post was not " The definitive guide to using four ati 5970's on one mobo"

Thanks for the constructive advice though.

I didn't get into this to make money, I enjoy hardware as a hobby.

My advice: dont tinker with things you dont know or not sure about.

Leave those cards intact, instead focus on custom box to drive cool air to the cards. More efficient that way.



COMPLETELY agree with this...  KISS.

open case, risers, little fan blowing air from the back .clock 820/420 --  1200 watts can get you 2900Mhash at <75C out of the box... 

dont over think this stuff, and dont overclock too much, put the cards on cruise control and go have dinner with your girl!

https://plus.google.com/u/0/photos/112408294399222065988/albums/5658727447810944545


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December 23, 2011, 06:17:10 AM
 #9

OK, dual power supply adapter cable.

Ok, so I'm a noob with using multiple PSU's, does that matter? I'm here to learn and improve and possibly help others. The title of my post was not " The definitive guide to using four ati 5970's on one mobo"

Thanks for the constructive advice though.

I didn't get into this to make money, I enjoy hardware as a hobby.

My advice: dont tinker with things you dont know or not sure about.

Leave those cards intact, instead focus on custom box to drive cool air to the cards. More efficient that way.



COMPLETELY agree with this...  KISS.

open case, risers, little fan blowing air from the back .clock 820/420 --  1200 watts can get you 2900Mhash at <75C out of the box... 

dont over think this stuff, and dont overclock too much, put the cards on cruise control and go have dinner with your girl!

https://plus.google.com/u/0/photos/112408294399222065988/albums/5658727447810944545



Kiss you back honey, see ya tonight.

Tips gladly accepted: 1LPaxHPvpzN3FbaGBaZShov3EFafxJDG42
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December 23, 2011, 08:47:44 AM
 #10

Quit goofing around and leave the machines up and mining, I guarantee you will make more plopping together a stock system and leaving it alone than you could make up for the downtime trying to tweak overclocking and installing drivers and different software. Just use some big case fans or pull the systems out of the case.
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December 23, 2011, 05:26:19 PM
 #11



Kiss you back honey, see ya tonight.


oh baby!!

KISS  Keep It Simple Stupid

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December 23, 2011, 07:07:19 PM
 #12

I hear ya, but my purpose in doing this is beyond maximum bitcoin mining potential. I enjoy tweaking hardware and learning. Also, I did get the TIM and pads properly installed last night and it worked great.

I'm running two 5970's at 850/300 at max 58c and that is without the pci extenders and such I will eventually use on the custom case I'm building.

So to me it's worth it just to learn. For those who want maximum bitcoin production you guys are absolutely correct, just set them up, slight OC and go.

I also build custom gaming PC's on occasion so this is all useful for me to learn. Those machines are all about max potential and you never get that with stock cooling, etc.
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December 24, 2011, 01:53:36 AM
 #13

I hear ya, but my purpose in doing this is beyond maximum bitcoin mining potential. I enjoy tweaking hardware and learning. Also, I did get the TIM and pads properly installed last night and it worked great.

I'm running two 5970's at 850/300 at max 58c and that is without the pci extenders and such I will eventually use on the custom case I'm building.

So to me it's worth it just to learn. For those who want maximum bitcoin production you guys are absolutely correct, just set them up, slight OC and go.

I also build custom gaming PC's on occasion so this is all useful for me to learn. Those machines are all about max potential and you never get that with stock cooling, etc.

a 5970 running 850/300. 
1.  how long?
2.  pics or it didn't happen

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dmcurser
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December 24, 2011, 06:07:06 AM
 #14

No lies I got two 5970 running at 930/500

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December 24, 2011, 06:05:55 PM
 #15

No lies I got two 5970 running at 930/500

you must have overvolted them...  pics?

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jjshabadoo
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December 26, 2011, 09:14:25 PM
 #16

I'll get some validation soon Jimm. I am running these rigs in a very cold basement right now with no heat on the east coast. I am SURE they won't run at 850 once it gets warmer.

They do have to be reset fairly regularly though at those clocks, about every 12 hours, so not very stable yet. I'm building a rack of fans to blow into the cards and see if that makes it stable longer. For now I clocked them down to 800/300 and they have been running for a couple days without problems mining 24/7.

I didn't want to tinker with anything due to the holiday and also because we caught some long blocks in our pool recently. I mine at Eclipse also. I figured I didn't want to power down my rigs until we chewed through that last long block..lol.


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December 26, 2011, 09:55:42 PM
 #17

ok after a little bit of playing with both afterburner and cg miner i got my 5970 to 920/150 and the voltage in afterburner is 1149 with temps at 67 degree Celsius i haven't taken these apart but i think i am going to do so in the near future at-lest the one bc the vram i think is at like 106 when all the rest are sitting at about 90 so i think it needs new thermal pads and hell while im at it new thermal paste anyone know of any good thermal paste and pads to use?

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December 26, 2011, 10:12:25 PM
 #18



Kiss you back honey, see ya tonight.


oh baby!!

KISS  Keep It Simple Stupid

Lost in translation.

Love you baby.

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December 27, 2011, 12:56:58 AM
 #19


interesting how those with 5970 clocks at 850, or 930 seamed to have disappeared...  I would love to run mine at that, I have 21 of those cards..  anything over 820 is unstable for me.

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December 27, 2011, 01:10:43 AM
 #20

send them to me i would gladly run them at those clocks

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December 27, 2011, 02:45:52 AM
 #21


interesting how those with 5970 clocks at 850, or 930 seamed to have disappeared...  I would love to run mine at that, I have 21 of those cards..  anything over 820 is unstable for me.

w/ memclock down to 190 I can get 835 on 12 5970s.  I have 4 watercooled and I can push all of them to 865 w/o problem except one.  Temps are <50C but anything higher than 865 requires more voltage. I had them 100% solid at 880 watercooled but overvolting doesn't seem worth it w/ current prices.  The GPU driving the physical monitors can't be pushed beyond 830 without lots of instability.

So yes higher clocks are possible. 
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December 27, 2011, 03:01:13 AM
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interesting how those with 5970 clocks at 850, or 930 seamed to have disappeared...  I would love to run mine at that, I have 21 of those cards..  anything over 820 is unstable for me.

w/ memclock down to 190 I can get 835 on 12 5970s.  I have 4 watercooled and I can push all of them to 865 w/o problem except one.  Temps are <50C but anything higher than 865 requires more voltage. I had them 100% solid at 880 watercooled but overvolting doesn't seem worth it w/ current prices.  The GPU driving the physical monitors can't be pushed beyond 830 without lots of instability.

So yes higher clocks are possible. 

fair enough...  I upped mine to 825/350  so far so good..  i guess when I first started using them, I had trouble with mems less then 420, but it must have been other issues.  each core getting a solid 370-372 now Smiley  txs

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December 27, 2011, 03:06:28 AM
 #23

I have my 5970 running at 830/300 w/ stock voltage at 63c and 3800 RPMs

No problems....yet Wink
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December 27, 2011, 03:10:17 AM
 #24

I have a rig with three 5970s which just came up and which is now on a 24-hour shakedown cruise at stock engine speed (725), 190 mem speed, before I subject it to overclocking.  I'm OK with software but hardware is magic to me.  I'd appreciate a brief tutorial (a sentence or three) on how the voltage parameter relates to the other ones.
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December 27, 2011, 03:21:37 AM
 #25

I have a rig with three 5970s which just came up and which is now on a 24-hour shakedown cruise at stock engine speed (725), 190 mem speed, before I subject it to overclocking.  I'm OK with software but hardware is magic to me.  I'd appreciate a brief tutorial (a sentence or three) on how the voltage parameter relates to the other ones.

burning them in at stock is a good to do.  I also used them for a while at lower clocks.  I probably will not mess with the volting. happy to let them cruise at 745Mh per card

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December 27, 2011, 06:18:53 AM
 #26

I just have one 5970 that is unbranded (so Dell).  I almost bought a second but then they became impossible to find.

I first had it set to 835/300, but it crashed after a few days.  It's been really stable at 830/300 since June on stock air cooling in an ACd server room so it never gets above 75C with 85% fans.  It's in a spare antec 1200.  I would love to build a custom case for the nerdgasm, but I have other projects to work on.

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December 27, 2011, 08:52:09 PM
 #27

I just have one 5970 that is unbranded (so Dell).  I almost bought a second but then they became impossible to find.

I first had it set to 835/300, but it crashed after a few days.  It's been really stable at 830/300 since June on stock air cooling in an ACd server room so it never gets above 75C with 85% fans.  It's in a spare antec 1200.  I would love to build a custom case for the nerdgasm, but I have other projects to work on.

The box I upped from 820 to 825 has died about 15 hours after pressing the accelerator...  I will probably back them all down to 820.

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December 27, 2011, 08:53:17 PM
 #28

I just have one 5970 that is unbranded (so Dell).  I almost bought a second but then they became impossible to find.

I first had it set to 835/300, but it crashed after a few days.  It's been really stable at 830/300 since June on stock air cooling in an ACd server room so it never gets above 75C with 85% fans.  It's in a spare antec 1200.  I would love to build a custom case for the nerdgasm, but I have other projects to work on.

The box I upped from 820 to 825 has died about 15 hours after pressing the accelerator...  I will probably back them all down to 820.

You may want to try dropping memclock further.  Then again 820 vs 825 = <1% so it might not matter.
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December 27, 2011, 11:03:17 PM
 #29



I didn't think I  could get the mem down to 350, so putting it at 300 will definitely help. I dont think it is the heat of the main GPU that is the problem, I suspect the VRM

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December 28, 2011, 09:52:29 PM
 #30

My three 5970s ran OK for a day at 800 engine, 190 mem after the previous OK day at 725/190.  So I upped the engine speed to 820.  After a short while one of the cores hung.  Should I...

(a) Try again with the other five at 820 but the one that hung at 800 (810?); or
(b) Set them all back to 800 (810?) and be happy; or
(c) Something else?
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December 28, 2011, 09:59:52 PM
 #31

hmm i dont know why you guys are having such hangs heres my gpuz of my one card

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December 28, 2011, 10:00:51 PM
 #32

knock on wood none of them have hung for the last month or so lol

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December 29, 2011, 02:44:17 AM
 #33

nice temp what is the ambient air like ?
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December 29, 2011, 02:48:17 AM
 #34

My three 5970s ran OK for a day at 800 engine, 190 mem after the previous OK day at 725/190.  So I upped the engine speed to 820.  After a short while one of the cores hung.  Should I...

(a) Try again with the other five at 820 but the one that hung at 800 (810?); or
(b) Set them all back to 800 (810?) and be happy; or
(c) Something else?

each set of cards is different for me..  I have one rig running stable with them set at 825,  but miner9 will only hold the 800.  still get about 2850Mh from the rig at 800


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December 29, 2011, 02:51:40 AM
 #35

About 70 degrees

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December 29, 2011, 02:54:25 AM
 #36

hmm i dont know why you guys are having such hangs heres my gpuz of my one card

something is up with your fan speed...  4500 RPM is like 100%  not 30% as reported..  must sound like a jet engine Smiley

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December 29, 2011, 02:56:54 AM
 #37

That I thinks its a glitch BC in afterburner it say 100 percent

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December 29, 2011, 03:11:55 AM
 #38

That I thinks its a glitch BC in afterburner it say 100 percent

I see you have overvolted it (alot) and have the fan at 100%,  may I ask what hashrate your getting?

and do you know how much power your pulling at the wall?

this is an old pic, I use cgminer now, but when I first set these rigs up, I would get 2900Mhash pulling 1190watts at the wall (2 sea sonic 750 gold psu's)

https://plus.google.com/u/0/photos/112408294399222065988/albums/5658727447810944545



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December 29, 2011, 03:13:08 AM
 #39

That I thinks its a glitch BC in afterburner it say 100 percent

I see you have overvolted it (alot) and have the fan at 100%,  may I ask what hashrate your getting?

Better question would be what temps are the VRMs running at...I bet they are smoking with that overvolt and clock increase :/
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December 29, 2011, 03:15:06 AM
 #40

3 of the 4 grams are at about 80 degree and one is at 103_108

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December 29, 2011, 03:18:00 AM
 #41

3 of the 4 grams are at about 80 degree and one is at 103_108

hashrate? 

btw, I added a pic to my other post.

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December 29, 2011, 03:23:21 AM
 #42

424-430

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December 29, 2011, 03:56:19 AM
 #43

3 of the 4 grams are at about 80 degree and one is at 103_108

That's why your fan is running at max...need to lower the GPU temps to <65 to lower the VRM temps to <90c

You're going to burn out that card heh
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December 29, 2011, 06:07:37 AM
 #44

Hey jimm, you're running four 5970's on each MSI 890FX-GD70, correct? You're also using two seasonic 750watt gold psus.

I just reset my rigs and used a lian li power supply adapter to get both psus running. I have been able to get three cards going on each rig for now, but I couldn't get a fourth going. I used pcix16 slots 1,3,5,6 like the MSI manual suggested and also tried 1,4,5,6.

I'm using the molex powered x16 extenders from cablesaurus as well.

Any suggestions or tips?

Thanks.

Oh and I have one power supply powering two cards and the CPU with one molex rail connected to two extenders.

The second psu is/was connected to the other two cards and one molex rail to power the other extenders.
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December 29, 2011, 06:30:33 AM
 #45

I'd love to see what someone's cgminer.conf file for a 5970 looks like. Smiley

I'm trying to learn about all the options in cgminer for a 5970, and I'm a tad bit lost.

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December 29, 2011, 06:39:36 AM
 #46

I'd love to see what someone's cgminer.conf file for a 5970 looks like. Smiley

I'm trying to learn about all the options in cgminer for a 5970, and I'm a tad bit lost.

Code:
"intensity" : "7,7",
"gpu-engine" : "0-830,0-825",
"gpu-fan" : "10-85,10-85",
"gpu-memclock" : "300,300",
"gpu-powertune" : "0,0",
"gpu-vddc" : "1.050,1.050",
"temp-cutoff" : "95,95",
"temp-overheat" : "85,85",
"temp-target" : "75,75",

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December 29, 2011, 07:10:12 AM
 #47

I'd love to see what someone's cgminer.conf file for a 5970 looks like. Smiley

I'm trying to learn about all the options in cgminer for a 5970, and I'm a tad bit lost.

Code:
"intensity" : "7,7",
"gpu-engine" : "0-830,0-825",
"gpu-fan" : "10-85,10-85",
"gpu-memclock" : "300,300",
"gpu-powertune" : "0,0",
"gpu-vddc" : "1.050,1.050",
"temp-cutoff" : "95,95",
"temp-overheat" : "85,85",
"temp-target" : "75,75",
Thanks.  How many MH/s do you get with that setup?

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December 29, 2011, 07:51:24 AM
 #48

I'd love to see what someone's cgminer.conf file for a 5970 looks like. Smiley

I'm trying to learn about all the options in cgminer for a 5970, and I'm a tad bit lost.

Code:
"intensity" : "7,7",
"gpu-engine" : "0-830,0-825",
"gpu-fan" : "10-85,10-85",
"gpu-memclock" : "300,300",
"gpu-powertune" : "0,0",
"gpu-vddc" : "1.050,1.050",
"temp-cutoff" : "95,95",
"temp-overheat" : "85,85",
"temp-target" : "75,75",
Thanks.  How many MH/s do you get with that setup?

Code:
GPU 0:  73.5C 4344RPM | 380.4/380.7Mh/s | A:94 R:1 HW:0 U:5.00/m I:7
 GPU 1:  70.0C         | 384.3/377.2Mh/s | A:96 R:0 HW:0 U:5.11/m I:7

I'm playing with my rig so I keep restarting cgminer.  I've got another card in the rig; these are just my 5970 GPUs.  It is in a full tower in an air conditioned server room, so your rig might run hotter with these same settings.

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December 29, 2011, 01:55:47 PM
 #49

Hey jimm, you're running four 5970's on each MSI 890FX-GD70, correct? You're also using two seasonic 750watt gold psus.

I just reset my rigs and used a lian li power supply adapter to get both psus running. I have been able to get three cards going on each rig for now, but I couldn't get a fourth going. I used pcix16 slots 1,3,5,6 like the MSI manual suggested and also tried 1,4,5,6.

I'm using the molex powered x16 extenders from cablesaurus as well.

Any suggestions or tips?

Thanks.

Oh and I have one power supply powering two cards and the CPU with one molex rail connected to two extenders.

The second psu is/was connected to the other two cards and one molex rail to power the other extenders.

I didn't know MSI had a suggestion on which slots to use.

I do not use molex powered extenders.  not needed, just use regular ones if you have them  I try not to use molex plugs unless I am forced to .

as for seeing all four cards, most times all four show up OK.  but for stubborn rigs I just keep moving things around and redoing the drivers until it works.  sometimes I have to reset the bios on mobo. 

what operating system?   all of my 4X5970 rigs are linuxcoin on a stick

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December 29, 2011, 05:15:22 PM
 #50

Yeah, I use Linuxcoin also, the final version on a usb stick. I follow the headless instructions from the Wiki.

If I already have powered extenders, can I just not plug in the molex? Could that be screwing things up?

Anyway, thanks for the input, I just have to play around some more I guess, got frustrated after 5 hours yesterday... At least I got three GPU's running, lol.
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December 29, 2011, 05:23:39 PM
 #51

@btc_artist

my cgminer mining script looks like this if you were using one 5970

./cgminer -o http://miningpool:port -u username -p password -I,9,9 --gpu-fan 85 --gpu-engine 800 --gpu-memclock 300

This gets about 700-725 MH/s for a single card average about 710 MH/s or so. This is for a stock Diamond card from newegg.

I am testing some cards that I redid the TIM and thermal pads on and have those at --gpu-engine 825 --gpu-memclock 300

Those are getting an about 730-750 MH/s for an average of 740 Mh/s or so.

For three cards I'm using same as above, but I,9,9,9,9,9,9.
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December 29, 2011, 05:37:49 PM
 #52

Here's the relevant portion of my cgminer.conf:

"intensity" : "9",
"gpu-engine" : "810",
"gpu-memclock" : "150",
"gpu-fan" : "0-85",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"temp-hysteresis" : "3",
"auto-fan" : true,

with which I'm getting these Mh/s on the six cores in three 5970s:
369.4, 370.5, 370.5, 370.4, 370.4, 370.3
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December 29, 2011, 07:45:52 PM
 #53

Thanks for all the input. I'm messing around with it and learning all kinds of things.  One question-- how does memclock affect things in terms of energy usage and hashrate?

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December 29, 2011, 07:59:29 PM
 #54

lower memclock = lower energy use

It also increases hashrate slightly I believe, but it definitely lowers energy use which is huge.

Some people have gotten the memclock as low as 160 I think. You have to mess around with settings to see what works best.

DeathandTaxes has done alot of screwing around with 5970's and can probably add more to this discussion than i can.
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December 29, 2011, 08:04:56 PM
 #55

Some people have gotten the memclock as low as 160 I think. You have to mess around with settings to see what works best.

In my current series of experiments I have memclock at 150.

810 on the engine clock was looking good until this morning when GPU 3, which seems to be my problem child, hung.  So now I've got it at 800 and the other five at 810.  We'll see...
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December 29, 2011, 10:50:46 PM
 #56

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

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December 29, 2011, 10:54:06 PM
 #57

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

My rig w/ 3x 5970s uses 870w @ 825/160.  It uses 885w @ 825/300.  It uses 935W @ 825/1000.  That was about 6 months ago.  It is possible different driver versions have changed that somewhat.  160 seemed as stable and same speed as 300 so I have kept all the rigs @ 160.  15W isn't much (5w per card) but I guess every little bit helps.
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December 29, 2011, 10:56:44 PM
 #58

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

Use -I 8 for 5xxx cards and -I 9 for 6xxx cards.  I believe that was the previous note in CGMiner.

Now it says: "NOTE: Running intensities above 9 with current hardware is likely to only
diminish return performance even if the hash rate might appear better. A good
starting baseline intensity to try on dedicated miners is 9. Higher values are
there to cope with future improvements in hardware."
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December 29, 2011, 10:58:13 PM
 #59

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

My rig w/ 3x 5970s uses 870w @ 825/160.  It uses 885w @ 825/300.  It uses 935W @ 825/1000.  That was about 6 months ago.  It is possible different driver versions have changed that somewhat.  160 seemed as stable and same speed as 300 so I have kept all the rigs @ 160.  15W isn't much (5w per card) but I guess every little bit helps.

I wonder if dropping the mem clocks to a lower value would also decrease the temps of VRMs...in theory, I would say yes.  Agree ?
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December 29, 2011, 11:04:11 PM
 #60

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

My rig w/ 3x 5970s uses 870w @ 825/160.  It uses 885w @ 825/300.  It uses 935W @ 825/1000.  That was about 6 months ago.  It is possible different driver versions have changed that somewhat.  160 seemed as stable and same speed as 300 so I have kept all the rigs @ 160.  15W isn't much (5w per card) but I guess every little bit helps.

I wonder if dropping the mem clocks to a lower value would also decrease the temps of VRMs...in theory, I would say yes.  Agree ?

In theory however temp is linear w/ power right?  Thus the smaller and smaller amounts of power reduction means smaller and smaller decreases in thermal output and thus temps.  It can't hurt though.
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December 29, 2011, 11:04:49 PM
 #61

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

Use -I 8 for 5xxx cards and -I 9 for 6xxx cards.  I believe that was the previous note in CGMiner.

Now it says: "NOTE: Running intensities above 9 with current hardware is likely to only
diminish return performance even if the hash rate might appear better. A good
starting baseline intensity to try on dedicated miners is 9. Higher values are
there to cope with future improvements in hardware."

Hm. I went back to running intensity 9 with memclocks down to 160.  I'm not sure if intensity 7 card doing better was just luck. since my hashrate went from 1071 to 1083.

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December 29, 2011, 11:59:41 PM
 #62

I ran intensity 9 on one GPU and 7 on the other for a few weeks.  The one with 7 consistently had more accepted shares.  Anyone else try this?

Does anyone have any hard numbers about memclock energy savings?  I'm running 300 since that is the default bottom, but cgminer will let me go to 150.  I'll have to plug in my kill-o-watt and take some readings

My rig w/ 3x 5970s uses 870w @ 825/160.  It uses 885w @ 825/300.  It uses 935W @ 825/1000.  That was about 6 months ago.  It is possible different driver versions have changed that somewhat.  160 seemed as stable and same speed as 300 so I have kept all the rigs @ 160.  15W isn't much (5w per card) but I guess every little bit helps.

I wonder if dropping the mem clocks to a lower value would also decrease the temps of VRMs...in theory, I would say yes.  Agree ?

In theory however temp is linear w/ power right?  Thus the smaller and smaller amounts of power reduction means smaller and smaller decreases in thermal output and thus temps.  It can't hurt though.

Memory has it's own power phase (vrm). Dropping memory clocks will reduce the heat load on the heat plate and over all reduce temps for the gpu vrm's and even gpu core.

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December 30, 2011, 12:05:17 AM
 #63

Does dropping the memory clock affect the overall hash rate either up or down?  In my own testing it seems to not affect it one way or the other, but I haven't been very scientific.

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December 30, 2011, 12:11:50 AM
 #64

Does dropping the memory clock affect the overall hash rate either up or down?  In my own testing it seems to not affect it one way or the other, but I haven't been very scientific.
I haven't noticed any difference in hash rate with lower memory clocks.  I think a reduced memory clock can allow for a higher engine clock which can increase hash rates.

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January 01, 2012, 10:14:29 AM
 #65

Does dropping the memory clock affect the overall hash rate either up or down?  In my own testing it seems to not affect it one way or the other, but I haven't been very scientific.

It depends on the miner app and settings. Ive seen some fancy chart that showed hashrate plotted against memory clock, and in most cases, hashrate actually decreased (only very very marginally, a few %) with increasing vram clock rates, though it wasnt quite a straight line. This is counter intuitive, but apparently had some solid theoretical explanation, something about caching algorithm, but I dont quite remember how it worked.

Cant seem to find that graph or thread, if someone knows it, Id love to see it again.

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January 01, 2012, 07:29:02 PM
 #66

So I dropped my memclocks and bumped my intensity.  Got a minor increase in shares per minute (which matters more than hashrate).  I'm tempted to bring GPU 1 up another 5 MHz to match GPU 0, but when I ran it like that before it crashed after a couple days.

GPU 0 and 1 are my 5970.  I'm really temped to buy a second card now that my paycheck cleared.

Code:
cgminer version 2.1.0 - Started: [2011-12-30 04:16:36]
--------------------------------------------------------------------------------
 (5s):1081.5 (avg):1082.7 Mh/s | Q:59366  A:54757  R:1627  HW:0  E:92%  U:14.45/m
 TQ: 5  ST: 6  SS: 1  DW: 2356  NB: 396  LW: 2803  GF: 245  RF: 8
 Connected to http://goat1.zapto.org:8337 with LP as user redemerald1
 Block: 00000ada8101be812ceac86e64822a87...  Started: [19:20:00]
--------------------------------------------------------------------------------
 [P]ool management [G]PU management [S]ettings [D]isplay options [Q]uit
 GPU 0:  74.5C 4364RPM | 382.5/381.8Mh/s | A:19264 R:592 HW:0 U:5.08/m I:9
 GPU 1:  70.5C         | 380.2/379.6Mh/s | A:19106 R:626 HW:0 U:5.04/m I:9
 GPU 2:  69.5C 1569RPM | 317.0/321.3Mh/s | A:16387 R:409 HW:0 U:4.32/m I:9
--------------------------------------------------------------------------------

GPU 0: 382.8 / 381.8 Mh/s | A:19264  R:592  HW:0  U:5.08/m  I:9
74.5 C  F: 85% (4354 RPM)  E: 830 MHz  M: 160 Mhz  V: 1.049V  A: 99% P: 0%
Last initialised: [2012-01-01 06:45:45]
Intensity: 9
Thread 0: 193.8 Mh/s Enabled ALIVE
Thread 3: 188.7 Mh/s Enabled ALIVE

GPU 1: 380.4 / 379.6 Mh/s | A:19105  R:626  HW:0  U:5.04/m  I:9
71.0 C  E: 825 MHz  M: 160 Mhz  V: 1.049V  A: 99% P: 0%
Last initialised: [2012-01-01 14:44:38]
Intensity: 9
Thread 1: 191.6 Mh/s Enabled ALIVE
Thread 4: 188.6 Mh/s Enabled ALIVE

GPU 2: 316.5 / 321.3 Mh/s | A:16385  R:409  HW:0  U:4.32/m  I:9
69.5 C  F: 43% (1575 RPM)  E: 1000 MHz  M: 160 Mhz  V: 1.162V  A: 99% P: 0%
Last initialised: [2011-12-30 19:46:43]
Intensity: 9
Thread 2: 161.8 Mh/s Enabled ALIVE
Thread 5: 154.2 Mh/s Enabled ALIVE

[E]nable [D]isable [I]ntensity [R]estart GPU [C]hange settings

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January 01, 2012, 08:00:11 PM
 #67

Does dropping the memory clock affect the overall hash rate either up or down?  In my own testing it seems to not affect it one way or the other, but I haven't been very scientific.

It depends on the miner app and settings. Ive seen some fancy chart that showed hashrate plotted against memory clock, and in most cases, hashrate actually decreased (only very very marginally, a few %) with increasing vram clock rates, though it wasnt quite a straight line. This is counter intuitive, but apparently had some solid theoretical explanation, something about caching algorithm, but I dont quite remember how it worked.

Cant seem to find that graph or thread, if someone knows it, Id love to see it again.

I believe the graph you were referring to, was based off of different "Vectors"  V2 vs V4, and so forth.  It showed the different hashrates at each memory & GPU clock, per vector.

I can't seem to find it either, but it was nice :/
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January 01, 2012, 09:19:11 PM
 #68

Yep that was the one. Should have bookmarked it. IIRC, for some vector settings, hashrate increased with clocks, but the fastest performance was achieved with other settings and very low memory clocks.

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January 01, 2012, 09:25:26 PM
 #69

So I dropped my memclocks and bumped my intensity.  Got a minor increase in shares per minute (which matters more than hashrate). ...

Is there a theory about the relation between hash rate and shares/minute?  Overall they must correlate, but I've observed that the correlation is not perfect.
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January 02, 2012, 03:06:55 AM
 #70

So I dropped my memclocks and bumped my intensity.  Got a minor increase in shares per minute (which matters more than hashrate). ...

Is there a theory about the relation between hash rate and shares/minute?  Overall they must correlate, but I've observed that the correlation is not perfect.
They correlate, but proportional to luck. So if you're "tuning' based on the value returned for shares/minute, then you're changing settings based on the luck of your most recent mining session, and nothing to do with hash performance...

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January 02, 2012, 03:27:24 AM
 #71

So I dropped my memclocks and bumped my intensity.  Got a minor increase in shares per minute (which matters more than hashrate). ...

Is there a theory about the relation between hash rate and shares/minute?  Overall they must correlate, but I've observed that the correlation is not perfect.
They correlate, but proportional to luck. So if you're "tuning' based on the value returned for shares/minute, then you're changing settings based on the luck of your most recent mining session, and nothing to do with hash performance...
Someone was talking about how they were getting higher hash rates when they changed one of their options (I think vectors) but were getting lower shares.  I thought they had done it over a long period of time, but it might have been them talking out their ass. They said something about the card having way more rejected shares than expected. When they changed their setting for vectors to something lower, their MH/s dropped a small amount but their submitted shares went up.  This would have been back in June, so I'm not sure what to even search.

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January 02, 2012, 04:22:30 AM
 #72

Yes, people have tried to insist all sorts of things to me  Roll Eyes

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January 02, 2012, 09:38:57 AM
 #73

So I dropped my memclocks and bumped my intensity.  Got a minor increase in shares per minute (which matters more than hashrate). ...

Is there a theory about the relation between hash rate and shares/minute?  Overall they must correlate, but I've observed that the correlation is not perfect.
They correlate, but proportional to luck. So if you're "tuning' based on the value returned for shares/minute, then you're changing settings based on the luck of your most recent mining session, and nothing to do with hash performance...
Someone was talking about how they were getting higher hash rates when they changed one of their options (I think vectors) but were getting lower shares.  I thought they had done it over a long period of time, but it might have been them talking out their ass. They said something about the card having way more rejected shares than expected. When they changed their setting for vectors to something lower, their MH/s dropped a small amount but their submitted shares went up.  This would have been back in June, so I'm not sure what to even search.

Exactly.  IF rejected shares are the same then hashrate and share rate should correlate.  There is short term variance but over say 24 hours you shouldn't see a lower hashrate and higher share rate.

Now IF you have rejects not related to pool latency then your cards are trying to tell you something.  It is possible to drive the card to the point of failure such that despite the higher hashrate you have some many rejects that shares/min is lower.  Of course this should be immediately obvious with the giant ugly number next to R. Smiley

U (is in shares/ minute) = (hashrate * 60) / (2^32)

If you reject rate is >0% then it will affect U but the amount should be small because w/ modern miners there is no reason for a reject rate higher than 0.1%.

So for example 400 MH/s =  (400 * 1000^2 * 60) / (2^32) = 5.58 shares per min

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January 03, 2012, 02:33:55 AM
 #74

Speaking of clocks and hash rates, I vastly over stated what I thought I could get earlier in this thread. Right now my cards won't go longer than 2-3 days at 800/300 or 800/160 and this is in a cold basement. One machine has a box fan blowing on it directly.

It has to be the ram, because my core temps don't go above 60c and most are in the low 50's. I'm starting to think these diamond brand 5970's from newegg just suck.

I just cranked them down to 725/160 since I won't be able to mess with my rigs for a while. I'm thinking I might have to go water cooling since I can probably get 900 or so.

DeathandTaxes, what hash rate do you get on your water cooled cards. I'd like to do some calculations on the difference to see if a water cooling investment is worth it.
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January 03, 2012, 02:41:14 AM
 #75


It has been my experience that the 5970's run more stable with a little higher memory.  I used to run them at 420, i have since brought it down to 300.

I know I am not answering the water cooling question.  I would raise the mem back up a bit if it was me.  Also, did you burn them in at a lower clock before going above or at 800?  I did for all 21 of my 5970's.

I ran them at stock clock for a few hours, then at 750 for a while, then at 775 for a day.  after that I would run them at 800/300 for a stability check. (days).  after that maybe crank them up to 820 if the temps are OK.

just my 2 bitcents.

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January 03, 2012, 03:30:43 AM
 #76

I appreciate the response Jimm and no I didn't burn them in intially, maybe that screwed me.

I'm just getting frustrated here as I have put in about 20 hours on these rigs the last 4-5 days and it's pissing me off that I can't even get 800 clock speeds after replacing all the TIM and pads, etc.

I know I did a good job with the TIM and pads because the GPU cores went down at least 5c on every card. If you guys could see how bad the stock pads and TIM was on these cards you'd know what I did should have helped A LOT.

I'm just thinking all the down time and restarts are costing me way more than if I just water cooled every damn card and called it a day.

It looks like it would cost me about $1000 per rig for three cards to water cool them.

I have 12 5970's and 8 5870's right now. The 5870's are at 900 with stock cooling and have run fine for 4 days.

Considering I could probably get the 5970's to 850 or 860, that's 125 mhz per core over stock for a total of 1500 mhz extra. Three cards at stock is getting me about about 2 GH/s at 850 I think I could get closer to 2.4 at least.

So that would be an extra 1.6 GH/s which gets about $200 per month at current prices. Now if you count shutdowns and the loss of revenue associated with all that, looks like about a 12 month return.
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January 03, 2012, 03:36:03 AM
 #77

...
I ran them at stock clock for a few hours, then at 750 for a while, then at 775 for a day.  after that I would run them at 800/300 for a stability check. (days).  after that maybe crank them up to 820 if the temps are OK.

But...
Speaking of clocks and hash rates, I vastly over stated what I thought I could get earlier in this thread. Right now my cards won't go longer than 2-3 days at 800/300 or 800/160 and this is in a cold basement

(Emphasis added for both quotes)

I was having cgminer report GPUs "SICK" -- thread idle for more than 60 sec., but immediately "cured" by killing/restarting the (two) GPU threads.  So I increased memclock from 150 to 300 and reduced engine clock from 800 to 725 (stock speed).  I was hopeful, but after about 10 hours one (of six) was just reported "SICK"...  This one is reporting about 68C.

Maybe I should just accept a certain rate of SICKness?  At 800/150 I was getting about seven such cases a day.
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January 03, 2012, 05:38:04 AM
 #78


this is also not too scientific..  but some of the rigs I would just keep restarting, keep the clocks at whatever they were.  and eventually the rig would just kept running. still dont know why.

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January 03, 2012, 06:22:38 AM
 #79

Now IF you have rejects not related to pool latency then your cards are trying to tell you something.  It is possible to drive the card to the point of failure such that despite the higher hashrate you have some many rejects that shares/min is lower.  Of course this should be immediately obvious with the giant ugly number next to R. Smiley
Just to be clear to others, the ugly number next to R is Hardware Errors. That's the only time overclocking too much or unlocking broken shaders and what not will actually decrease your effective useful hashrate even though apparently stable; when your cards starts making shit up.

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January 03, 2012, 07:46:24 AM
 #80

Just to be clear to others, the ugly number next to R is Hardware Errors.

Surely you mean the number next to HW is hardware error, and the number next to R is rejects, right?

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January 03, 2012, 08:55:09 AM
 #81

Whatever, a GPU pushed too hard will produce errors, not rejects.

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January 04, 2012, 12:59:49 AM
 #82

Forking thread from Mining Support to here...


also,  who said that running the fan at 100% is good...  good for the guy that is going to sell you another card maybe.
Generally good idea to keep card as cool as possible for longest lifespan. Fans are cheap to replace and if fan fails, the card will soon shut off, likely without damage. I've had 7 5850s running 100% w/ fan @ 100% since last April, no problem. Heat will also reduce PSU efficiency in some cases, and max wattage output.

100%?  Comments?  (Replacement fans are US$ 15 each on eBay.)
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January 04, 2012, 07:44:50 AM
 #83

Fan bearings will wear out sooner or later. I strongly suspect the relationship with fan speed is at least linear, possibly super linear as vibration is likely a very important factor (avoid speeds which produce more mechanical noise, humming etc).

Of course you can get lucky. Or maybe that poster has some advantages most other miners do not, like a dust free environment or he lubricates them regularly. Either way there is little doubt in my mind a fan at 100% wont last as long as one on 50% and its not like fan failure is a rare thing. Its equally true low temps will help the card live longer, but it all depends how high your temps are. I get <60C with fans at 50% (non ref cards), its pointless to increase fan speed in those circumstances.

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March 24, 2012, 05:03:31 PM
 #84

2 x 5970s + 3 x 5850s
Motherboard MSI 790FX-GD70
CPU PHenomII x4 965 (i know, it was a combo deal)
BAMT 0.5
cgminer 2.3.1-2
#01
core: 750MHz
mem: 250MHz
Vddc: 1.0 Volts
Temps: 66ºC
hashrate: 690MH/s

#02
core: 725MHz
mem: 250MHz
Vddc: 1.0 Volts
Temps: 66ºC
hashrate: 666MH/s

They were working on windows until i installed the third 5850, then the whole rig kept BSODing so i installed BAMT instead
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March 25, 2012, 04:47:23 PM
 #85

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.050 (not 1.163 as I previously mistakenly posted)
temps: 68-72C
MH/s 758
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March 26, 2012, 12:58:13 AM
 #86

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.163
temps: 68-72C
MH/s 758


wonder whats you MHash/W with that amount of voltage
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March 26, 2012, 11:18:55 AM
 #87

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.163
temps: 68-72C
MH/s 758


wonder whats you MHash/W with that amount of voltage

Two of them are in the same rig with two 5870s running at 950/300/1.05V for ~437MH each  - total with a 1250W PS pull 1KW +/- 10W.  The whole rig crunches ~2367MH/s which makes for nice round math @ 2.36MH/W
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March 26, 2012, 03:27:52 PM
 #88

2 x 5970s + 3 x 5850s
Motherboard MSI 790FX-GD70
CPU PHenomII x4 965 (i know, it was a combo deal)
BAMT 0.5
cgminer 2.3.1-2
#01
core: 750MHz
mem: 250MHz
Vddc: 1.0 Volts
Temps: 66ºC
hashrate: 690MH/s

#02
core: 725MHz
mem: 250MHz
Vddc: 1.0 Volts
Temps: 66ºC
hashrate: 666MH/s

They were working on windows until i installed the third 5850, then the whole rig kept BSODing so i installed BAMT instead

Anything over 11.12 with BSOD with more then 4 GPU's on windows.
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April 13, 2012, 09:07:52 PM
 #89

  Hey guys, sorry to bump this general 5970 thread but had an interesting issue come up.

  Been mining with a few of them fine for months now.  Two were starting to show massive crashes and instability (810 core, 500 memory, stock volts) despite temps being in the low to mid 70s.  Bumped everything back down to stock but the issues remained.

  Thankfully they were both Diamond models from Newegg so I could show legit purchase receipts.  So anyway, pulled the cards, sent 'em back...and waiting.  This was maybe a month and a half ago.

  Once stuff arrived at their RMA office, I figure testing does take time so I wanted to be patient.

  Now that it's been a month, I finally was back in touch with Diamond seeing as how I've heard nothing via email back.  Their tech, Chris, was quite helpful and apologized.  Now here's the concern for others of us out there with these cards.

  He said normally if a card is bad (and both of mine were confirmed as being such), they'd replace it immediately (makes sense).  But Diamond themselves are still waiting from AMD for more cards and they are either not coming or taking forever.  As such, we can only wait.

  An upgrade was offered but since they also have no stock of 6990s, I can't go that route.  He said he'd look into offering a 6970 or a 7970 which, given the price, warranty and newness of a 7970, would seem stupid for me not to accept should they validate it.  

  I know I'd probably get maybe 75% of the hashing power of a 5970 out of a 7970 but at this rate, I can't see any other choices open to me.

  Just a heads up for anyone else running on these old cards.  Should they bite the dust, you might be in for quite a wait in terms of a replacement, if any, or maybe an upgrade.  

  While I figured this was true to an extent when buying the cards, I had presumed manufacturers still had some stock left.  Apparently not.  

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April 13, 2012, 09:24:34 PM
 #90

Thanks for the info.   Yeah I figured the 5970 would eventually be out of stock but I always assumed they would give you a 6990.  A 6970 is a dog of a deal.  At least with 7970 you get some improves power efficiency and easier cooling (due to single GPU design).

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April 13, 2012, 09:28:15 PM
 #91

Does anyone know of a source for the VT1157SF VRMs used in this cards? I had one go out, and need a replacement. Emailing Volterra didn't help, since they do not have distributors for their chips.

Quote
We do not have any distributors.   Volterra only sells to select approved customers under a NDA due to limited resources.  We intentionally limit the # of customers we work with in order to provide superior customer support. At this time, we are unable to engage with your company. We apologize for the inconvenience.
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April 13, 2012, 10:59:06 PM
 #92

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.163
temps: 68-72C
MH/s 758


Why do you run them so high?

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April 13, 2012, 11:02:55 PM
 #93

Does anyone know of a source for the VT1157SF VRMs used in this cards? I had one go out, and need a replacement. Emailing Volterra didn't help, since they do not have distributors for their chips.

Quote
We do not have any distributors.   Volterra only sells to select approved customers under a NDA due to limited resources.  We intentionally limit the # of customers we work with in order to provide superior customer support. At this time, we are unable to engage with your company. We apologize for the inconvenience.

Good luck. Volterra makes great VRMs but they are a pain in the ass to deal with. EVERYTHING is under NDA from them. People have spent countless hours searching for the pinouts on their controllers to remove OCP/OVP. If the documentation is that difficult to acquire I imagine the chips are impossible to get short of yanking them off another card.
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April 13, 2012, 11:06:13 PM
 #94


If the documentation is that difficult to acquire I imagine the chips are impossible to get short of yanking them off another card.

That is likely the only place you are going to find them.  Ebay routinely has dead (for parts only) 5870s and 5970s.  Tend to go for $150 or so each.  Annoys me when I am searching because I think I found a deal.
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April 13, 2012, 11:54:30 PM
 #95

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.163
temps: 68-72C
MH/s 758


Why do you run them so high?

1.163?  wtf..

i have 5 5970's, and 7 of the cores can do 830 @ around 1.02V

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April 14, 2012, 05:13:56 AM
 #96

Interestingly, I removed the offending VRMs, and I went from measuring a short across the GPU to a more expected ~4 ohms. I just couldn't wait to win an auction on a parts card so I buttoned it up and fired it up. It won't display an image and I can't control the fan, but the other GPU is detected and I can mine on the other GPU. I was expecting the BIOS to detect the missing VRMs and simply not post.

Now I'll just wait to try and pick up a completely dead card for $20 if I can. Trying to repair the extra GPU isn't worth dropping $100 on a card for 3 VRMs. Tongue
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April 14, 2012, 06:02:45 AM
 #97

Interestingly, I removed the offending VRMs, and I went from measuring a short across the GPU to a more expected ~4 ohms. I just couldn't wait to win an auction on a parts card so I buttoned it up and fired it up. It won't display an image and I can't control the fan, but the other GPU is detected and I can mine on the other GPU. I was expecting the BIOS to detect the missing VRMs and simply not post.

Now I'll just wait to try and pick up a completely dead card for $20 if I can. Trying to repair the extra GPU isn't worth dropping $100 on a card for 3 VRMs. Tongue

How do you measure a short across a 5970 gpu? I have a 5970 with a bad core.
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April 14, 2012, 02:23:51 PM
 #98

Interestingly, I removed the offending VRMs, and I went from measuring a short across the GPU to a more expected ~4 ohms. I just couldn't wait to win an auction on a parts card so I buttoned it up and fired it up. It won't display an image and I can't control the fan, but the other GPU is detected and I can mine on the other GPU. I was expecting the BIOS to detect the missing VRMs and simply not post.

Now I'll just wait to try and pick up a completely dead card for $20 if I can. Trying to repair the extra GPU isn't worth dropping $100 on a card for 3 VRMs. Tongue

How do you measure a short across a 5970 gpu? I have a 5970 with a bad core.

I just measured using a DMM across one of the ceramic caps on the back of the GPU. With the bad VRMs the card wouldn't boot though,so your issue is likely not the same. Doesn't hurt to test though, you don't even have to remove the backplate.
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April 16, 2012, 07:49:13 PM
 #99

Did anyone tested 5970 voltage stages and what is the maximum stable clock for each stage?

This one is a big heat and noise generator, I guess reduce the voltage can help a lot ...

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April 17, 2012, 01:34:06 PM
 #100

3x5970

all configured the same, MH/s is +/- 2% between all three

bamt 0.5
cgminer 2.3.1f
clocks/mem 835/300
vddc 1.163
temps: 68-72C
MH/s 758


Why do you run them so high?

1.163?  wtf..

i have 5 5970's, and 7 of the cores can do 830 @ around 1.02V


I messed that up, I have 5870's in that rig and read those voltages instead (which are 1.163).  The 5970's are all set to 1.050.  Good eye
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April 20, 2012, 06:41:37 PM
 #101

Quick Q: Is a Corsair AX1200 enough to power four 5970s?

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April 20, 2012, 07:00:50 PM
 #102

Quick Q: Is a Corsair AX1200 enough to power four 5970s?

Without overvolting, and with lowering memclock. Yes.
4x5970s
Sempron CPU
optimized BIOS
usb drive running linux
~1050W AC at the wall.

Figure at 90% efficiency that is ~950W DC (which is what PSU is rated on not AC wattage).
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April 20, 2012, 07:59:29 PM
 #103

Quick Q: Is a Corsair AX1200 enough to power four 5970s?

Without overvolting, and with lowering memclock. Yes.
4x5970s
Sempron CPU
optimized BIOS
usb drive running linux
~1050W AC at the wall.

Figure at 90% efficiency that is ~950W DC (which is what PSU is rated on not AC wattage).

What MHash/s ?

Undervolting needed ?

Thanks !
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April 20, 2012, 08:03:52 PM
 #104

No undervolting.  Clocks vary based on what is stable on stock voltage.  I also use "auto-gpu" so clocks are dynamic depends on temps.

~780 Mhz to 840 Mhz depending on the card.  I would put the avg somewhere around 800.
Memclock is 210 Mhz for all cards.
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April 20, 2012, 08:15:41 PM
 #105

Without overvolting, and with lowering memclock. Yes.
4x5970s
Sempron CPU
optimized BIOS
usb drive running linux
~1050W AC at the wall.

Figure at 90% efficiency that is ~950W DC (which is what PSU is rated on not AC wattage).

Hmm, interesting, thanks!  I'm out of slots on my motherboard now though, so if I want to go 4x5970s, I'll have to swap out the MB too.  Do you have any recommendations?

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April 20, 2012, 08:59:36 PM
 #106

Without overvolting, and with lowering memclock. Yes.
4x5970s
Sempron CPU
optimized BIOS
usb drive running linux
~1050W AC at the wall.

Figure at 90% efficiency that is ~950W DC (which is what PSU is rated on not AC wattage).

Hmm, interesting, thanks!  I'm out of slots on my motherboard now though, so if I want to go 4x5970s, I'll have to swap out the MB too.  Do you have any recommendations?

I have had 4x5970s on an AX1200 as well, ran around 1120W AC at the wall.  Never a hiccup.  For a mobo the one I had with that setup was an MSI990FXAGD80. No problems except for jumpering on x1 slots.

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April 22, 2012, 12:00:54 AM
 #107

If you run 4x5970 how do you get the second core of your card that the monitor is connected to overclock? or at least underclock ram.

In my case under windows this is not a problem, because I can just change my monitor to one of the 5870s I got on x1 extender, but under Linux that doesn't work. And no I can't really reorder my cards so that the 5870 is the one that is #1.

Not connecting a monitor probably works for Linux, but I kind of need my monitor! If you know how to change which card shows desktop or know how to make the OC work for the second core please help.

If you think my comments have benefitted you it would be nice to hear thanks Smiley

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April 22, 2012, 02:00:08 AM
 #108

If you run 4x5970 how do you get the second core of your card that the monitor is connected to overclock? or at least underclock ram.

In my case under windows this is not a problem, because I can just change my monitor to one of the 5870s I got on x1 extender, but under Linux that doesn't work. And no I can't really reorder my cards so that the 5870 is the one that is #1.

Not connecting a monitor probably works for Linux, but I kind of need my monitor! If you know how to change which card shows desktop or know how to make the OC work for the second core please help.

Sorry I can't help.  It was a dedicated rig that ran Bamt or windows, never tried any other distros.  My multipurpose rig only has 3 cards.

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April 23, 2012, 02:12:35 AM
 #109

  If you're running the latest drivers, you should be able to show all the OC sliders in Afterburner for all cores on the card (just go to settings > one of the 4 cards in the dropdown).  You can't change the fan speed for them all but you can still move the clock sliders.

  Update on my end.  Diamond told me they could trade me two 6970s for my cards dying.  I'd have to pay extra to step up to 7970s.  Oh well even if I lose some hashes, having a running system beats none at all.

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April 23, 2012, 02:15:15 AM
 #110

If you run 4x5970 how do you get the second core of your card that the monitor is connected to overclock? or at least underclock ram.

In my case under windows this is not a problem, because I can just change my monitor to one of the 5870s I got on x1 extender, but under Linux that doesn't work. And no I can't really reorder my cards so that the 5870 is the one that is #1.

Not connecting a monitor probably works for Linux, but I kind of need my monitor! If you know how to change which card shows desktop or know how to make the OC work for the second core please help.

use cgminer!

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April 23, 2012, 05:56:17 PM
 #111

5970 voltage steps tested at 650Mhz:

0.000-0.950 xxxW
0.955-1.000 xxx+8W
1.005-1.035 xxx+16W
1.040-1.050 xxx+19W

I think xxx is around 200w, but no precise figure since this is a test from mixed gpu on board

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April 23, 2012, 06:49:53 PM
 #112

Thanks johnyj.  I didn't know about the 1.035V step.
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April 23, 2012, 07:39:23 PM
 #113

afaik, the 5970 does not have that 'step'

only  .95, 1, 1.05

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April 24, 2012, 07:41:30 AM
 #114

Yesterday tried 0.95V 710M/150M setting on 5970 and after some hours one of the GPU dead, seems 700Mhz could be run stable, and at 1.0V 750Mhz is stable

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April 24, 2012, 02:49:23 PM
 #115

Yesterday tried 0.95V 710M/150M setting on 5970 and after some hours one of the GPU dead, seems 700Mhz could be run stable, and at 1.0V 750Mhz is stable

agreed.  i go down to 680/300 when v @ .95

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April 24, 2012, 03:03:20 PM
 #116

So 680 @ 0.95 & 750 @ 1.0 are good starting points?

Too bad lower voltage isn't possible.
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April 24, 2012, 03:14:39 PM
 #117

So 680 @ 0.95 & 750 @ 1.0 are good starting points?

Too bad lower voltage isn't possible.

Yes, i basically have 3 heat modes:

800/300/1.05 
760/300/1.0  note: 760 !750
680/300/.95  will run really cool even on warm days


i did the mem at 220, but I was informed that it wasn't worth it. but it did run stable

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April 24, 2012, 11:28:50 PM
 #118

It seems that at least ref 5970/5870 and some custom boards as well (sapphire 5850 xtreme, first rev) can change the vcore in much smaller increments than I first thought. If you dump your bios from the card and open it in RBE and you see that "GPU Registers" is available you can use that to set the vcore down to 0,1-0,15 increments at least(didn't bother to check smaller changes, important is to not touch the vcore settings for the profiles but only change it in GPU registers if you want to flash the cards). And yes I have confirmed that the changes do actually take place and affect power usage. If the card (most ref boards) is recognized in MSI AB it seems to be able to change it in these small increments as well while other software seems to be working on another level (no fucking idea how it works, error and trial is my way!)

Cards that do not have "GPU registers" available are the cards that get's stuck in the "steps" no matter what, they vary from different boards from different manufacturers and only testing can really determine what vcore they actually run at. ALSO on these boards and the REF boards you can set vcore with some software (Asus gpu tweak in my case, AB couldn't change it at all on the boards without accessible gpu registers) and for example GPU-Z reports the new vcore you set but it doesn't change/or simply goes to the next "step" while still displaying the wrong vcore, I still don't believe there are 5870s running at 850Mhz with 0,899V, why I started testing wth was going on in the first place! :p

Back on topic! I've tested my only 5970 (ref board, all changes done by bios flash and editing the GPU registers) and it does have "steps" but seems to be around 0,13V (0,899V, 0,912V, 0,925V, reverts to these values when you set 0,9 0,91 0,92 etc) tested all 3 and both power usage and max stable frequency changed by about 3-5W at same speed and 10-15Mhz for how high it could go.

Edit, might add i'm currently running my 5970 at 0,899V and 625/300, can do a bit higher but it's mostly to be sure about 24/7 stability. The card pulls around 145W from the wall on a 80+ bronze psu.
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June 18, 2012, 03:18:59 PM
 #119

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage
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June 18, 2012, 03:26:16 PM
 #120

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage
The 5870 has more power phases and better VRM cooling than the 5970. Even if the GPUs on the 5970s are cherrypicked on the 5970s, you'll have trouble hitting the same overclocks as a 5870.
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June 18, 2012, 03:38:13 PM
 #121

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage

Mbps? You mean MH/s? Wink I kid...

It's really card dependent. I like PowerColor, Sapphire, and Asus. A lot of people have good luck with Gigabyte. I've heard to stay away from XFX and Diamond, but again, YMMV. There is no BEST brand for OCing.


Also, while a 5970 is technically 2x 5870s in one card, the voltages are lower to keep the power/temps down. Stock voltage on a 5870 is 1.174, while stock voltage on a 5970 is 1.050. If you lowered your 5870 down to 1.05, you won't be getting 450MH/s.

If you raised your 5970 to 1.174, you MIGHT be able to get 400+ per core, but it would be a very bad idea. Power draw increases, temps become too much for the shared cooler, and your VRM temps would be through the roof. Not a good idea.


Side note: Here are my 5870 speeds, for undervolting comparison:
460MH/s - 980/300/1.174 - My "all out" setting
425MH/s - 925/300/1.000 - My "max profit" setting
350MH/s - 755/300/0.950 - My "keep the temps down" setting.

I think my card can get higher clocks at each voltages than average, so yours may be a little lower.

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June 18, 2012, 04:01:10 PM
 #122

all of my 5970 (8+) after a continuing year of operation at stock 725/300 and nearly 90c are off!
some of them with fun problems (easily fixed) others with BSOD (never fixed!)
all my one core cards 5850/5870 (10+) have no problem at all up to now!
i wonder if dual cards are not designed for continues full operation at high temp conditions!
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June 18, 2012, 04:06:42 PM
 #123

all of my 5970 (8+) after a continuing year of operation at stock 725/300 and nearly 90c are off!
some of them with fun problems (easily fixed) others with BSOD (never fixed!)
all my one core cards 5850/5870 (10+) have no problem at all up to now!
i wonder if dual cards are not designed for continues full operation at high temp conditions!

I doubt your single core GPUs were run at 90c, were they? I'm betting if you had undervolted them a bit, and had better airflow, they'd still be running.

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June 18, 2012, 10:07:05 PM
 #124

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage

All of mine are XFX Black edition. all will do 900mhz both cores on 1.05v and get ~800mhash. I can run the second "cooler" cores up to 950 on 1.05 but it's simpler this way.
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June 19, 2012, 12:22:17 AM
 #125

Tried an over clock to 913MHz core clock and 1100mV, VRM's at 100C and GPU's at 75 with fan@~90% (loud...).

Been stable for half an hour so far, and still running, we'll see...

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June 19, 2012, 01:45:45 AM
 #126


you guys must have really cheap electricity!

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June 19, 2012, 12:49:29 PM
 #127

Tried an over clock to 913MHz core clock and 1100mV, VRM's at 100C and GPU's at 75 with fan@~90% (loud...).

Been stable for half an hour so far, and still running, we'll see...

All of this overclocking on 5970 is a great way to kill your card.

BUT keep going, less difficulty for moi !

Don't mind AMD and them stupidly making undervolt because you know better, right ?

Look at above poster showing how his cards died, hope yours do the same !
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June 19, 2012, 02:58:42 PM
 #128


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day.. 

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900

Code:
cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm]    Rig:miner2
(5s):2457.99  (avg): 2420.22 Mh/s  |    H: 122.69  Q:1882472   A:1915344   R:13328   HW:0   E:?%   U:32.75/m
TQ:?   ST:2356   SS:?   DW:166711   NB:5865   LW:4155588   GF:1176   RF:1321
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 70.0C 3108RPM 49% 119 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:238551 R:1690 HW:0 U:4.08/m I: 7
GPU 1: 72.5C 3108RPM 49% 122 | 306.9/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239227 R:1712 HW:0 U:4.09/m I: 7
GPU 2: 72.0C 3513RPM 57% 129 | 307.3/302.0Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239375 R:1636 HW:0 U:4.09/m I: 7
GPU 3: 68.5C 3513RPM 57% 126 | 307.4/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239106 R:1747 HW:0 U:4.09/m I: 7
GPU 4: 70.0C 3290RPM 50% 120 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239754 R:1673 HW:0 U:4.10/m I: 7
GPU 5: 70.5C 3290RPM 50% 121 | 307.2/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239850 R:1633 HW:0 U:4.10/m I: 7
GPU 6: 72.5C 3257RPM 51% 124 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239795 R:1658 HW:0 U:4.10/m I: 7
GPU 7: 71.5C 3257RPM 51% 123 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239686 R:1579 HW:0 U:4.10/m I: 7

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June 19, 2012, 03:44:21 PM
 #129


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day.. 

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900

Code:
cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm]    Rig:miner2
(5s):2457.99  (avg): 2420.22 Mh/s  |    H: 122.69  Q:1882472   A:1915344   R:13328   HW:0   E:?%   U:32.75/m
TQ:?   ST:2356   SS:?   DW:166711   NB:5865   LW:4155588   GF:1176   RF:1321
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 70.0C 3108RPM 49% 119 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:238551 R:1690 HW:0 U:4.08/m I: 7
GPU 1: 72.5C 3108RPM 49% 122 | 306.9/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239227 R:1712 HW:0 U:4.09/m I: 7
GPU 2: 72.0C 3513RPM 57% 129 | 307.3/302.0Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239375 R:1636 HW:0 U:4.09/m I: 7
GPU 3: 68.5C 3513RPM 57% 126 | 307.4/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239106 R:1747 HW:0 U:4.09/m I: 7
GPU 4: 70.0C 3290RPM 50% 120 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239754 R:1673 HW:0 U:4.10/m I: 7
GPU 5: 70.5C 3290RPM 50% 121 | 307.2/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239850 R:1633 HW:0 U:4.10/m I: 7
GPU 6: 72.5C 3257RPM 51% 124 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239795 R:1658 HW:0 U:4.10/m I: 7
GPU 7: 71.5C 3257RPM 51% 123 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239686 R:1579 HW:0 U:4.10/m I: 7

Very nice. Is there a reason you run -I 7 instead of -I 8?

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June 19, 2012, 04:09:54 PM
 #130


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day..  

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900


Power or cooling isn't an issue for me. My 5970's are rock solid at 900mhz core. They only downtime they get is when I switch pools up upgrade cgminer. They've been running full on since I got them, a LONG time ago. Minimal maintenance, clean dust and touch up the TIM if temps creep etc.
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June 19, 2012, 04:15:05 PM
 #131



Very nice. Is there a reason you run -I 7 instead of -I 8?

well, i tried 8 and 9,  they seam to jump around too much..  tell you what, I will put this rig at I8 for today, lets see how it does.

putting them at I8 now.  (thank you webmon)

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June 19, 2012, 04:16:53 PM
 #132


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day..  

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900


Power or cooling isn't an issue for me. My 5970's are rock solid at 900mhz core. They only downtime they get is when I switch pools up upgrade cgminer. They've been running full on since I got them, a LONG time ago. Minimal maintenance, clean dust and touch up the TIM if temps creep etc.

May I ask who is paying for your power then?

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June 19, 2012, 04:18:05 PM
 #133

OK,  i have had them at 8 for about 10 minutes..  they finally stabilized....
as you can see, the heatindex has climbed 5 points.  from 122 to 127, with no increase in MH

will post this again after my round of golf Smiley
Code:
cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm]    Rig:miner2
(5s):2455.98  (avg): 2420.28 Mh/s  |    H: 127.5  Q:1885119   A:1918524   R:13365   HW:0   E:?%   U:32.75/m
TQ:?   ST:2357   SS:?   DW:166980   NB:5871   LW:4166227   GF:1176   RF:1321
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 68.5C 3464RPM 56% 125 | 307.0/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:238920 R:1693 HW:0 U:4.08/m I: 8
GPU 1: 70.0C 3464RPM 56% 126 | 306.7/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239633 R:1719 HW:0 U:4.09/m I: 8
GPU 2: 72.0C 3702RPM 61% 133 | 307.2/302.0Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239798 R:1642 HW:0 U:4.09/m I: 8
GPU 3: 68.5C 3706RPM 61% 130 | 307.0/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239522 R:1751 HW:0 U:4.09/m I: 8
GPU 4: 69.5C 3449RPM 53% 123 | 307.0/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:240170 R:1679 HW:0 U:4.10/m I: 8
GPU 5: 70.5C 3449RPM 53% 124 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:240237 R:1640 HW:0 U:4.10/m I: 8
GPU 6: 70.5C 3529RPM 60% 131 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:240166 R:1660 HW:0 U:4.10/m I: 8
GPU 7: 70.5C 3529RPM 60% 131 | 307.0/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:240078 R:1581 HW:0 U:4.10/m I: 8

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June 19, 2012, 11:16:05 PM
 #134


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day..  

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900


Power or cooling isn't an issue for me. My 5970's are rock solid at 900mhz core. They only downtime they get is when I switch pools up upgrade cgminer. They've been running full on since I got them, a LONG time ago. Minimal maintenance, clean dust and touch up the TIM if temps creep etc.

May I ask who is paying for your power then?

Power is included in my collocation/lease at my data center Smiley. Most of my rigs are 1gpu web servers. They all run low intensity so it doesn't affect normal operation. Most of them are for development or sandboxing anyways. I have 6 full racks.
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June 20, 2012, 12:47:44 AM
 #135


I'm with you, let them burn them up...  not only is the electricity the issue.  this rig as been running without stopping since My9th.  I think I upgraded cgminer that day.. 

I cant remember exactly how many watts at the wall, i have that in another post..  i think 850-900

Code:
cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm]    Rig:miner2
(5s):2457.99  (avg): 2420.22 Mh/s  |    H: 122.69  Q:1882472   A:1915344   R:13328   HW:0   E:?%   U:32.75/m
TQ:?   ST:2356   SS:?   DW:166711   NB:5865   LW:4155588   GF:1176   RF:1321
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 70.0C 3108RPM 49% 119 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:238551 R:1690 HW:0 U:4.08/m I: 7
GPU 1: 72.5C 3108RPM 49% 122 | 306.9/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239227 R:1712 HW:0 U:4.09/m I: 7
GPU 2: 72.0C 3513RPM 57% 129 | 307.3/302.0Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239375 R:1636 HW:0 U:4.09/m I: 7
GPU 3: 68.5C 3513RPM 57% 126 | 307.4/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239106 R:1747 HW:0 U:4.09/m I: 7
GPU 4: 70.0C 3290RPM 50% 120 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239754 R:1673 HW:0 U:4.10/m I: 7
GPU 5: 70.5C 3290RPM 50% 121 | 307.2/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239850 R:1633 HW:0 U:4.10/m I: 7
GPU 6: 72.5C 3257RPM 51% 124 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239795 R:1658 HW:0 U:4.10/m I: 7
GPU 7: 71.5C 3257RPM 51% 123 | 307.6/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:239686 R:1579 HW:0 U:4.10/m I: 7

Very nice. Is there a reason you run -I 7 instead of -I 8?


so, they ahve been running all day at I8  ..  not much difference.  ..  cant judge heat cause it was hot today.  going back to 7
Code:
cgminer version 2.3.6 - Started: [May 9, 2012, 8:03 pm]    Rig:miner2
(5s):2455.03  (avg): 2420.51 Mh/s  |    H: 130.94  Q:1899083   A:1935528   R:13638   HW:0   E:?%   U:32.76/m
TQ:?   ST:2372   SS:?   DW:168305   NB:5905   LW:4227166   GF:1179   RF:1328
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 68.0C 3597RPM 59% 127 | 306.9/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:241059 R:1721 HW:0 U:4.08/m I: 8
GPU 1: 70.0C 3597RPM 59% 129 | 307.4/302.7Mh/s | 99% | 675Mhz 300Mhz 0.95V A:241768 R:1744 HW:0 U:4.09/m I: 8
GPU 2: 71.0C 4100RPM 72% 143 | 307.2/302.1Mh/s | 99% | 675Mhz 300Mhz 0.95V A:241916 R:1671 HW:0 U:4.09/m I: 8
GPU 3: 67.5C 4100RPM 72% 140 | 307.1/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:241606 R:1792 HW:0 U:4.09/m I: 8
GPU 4: 70.5C 3591RPM 56% 127 | 306.7/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:242321 R:1717 HW:0 U:4.10/m I: 8
GPU 5: 70.5C 3591RPM 56% 127 | 307.0/302.7Mh/s | 99% | 675Mhz 300Mhz 0.95V A:242354 R:1676 HW:0 U:4.10/m I: 8
GPU 6: 70.5C 3591RPM 58% 129 | 306.5/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:242295 R:1698 HW:0 U:4.10/m I: 8
GPU 7: 70.5C 3591RPM 57% 128 | 306.3/302.6Mh/s | 99% | 675Mhz 300Mhz 0.95V A:242209 R:1619 HW:0 U:4.10/m I: 8

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Aseras
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June 20, 2012, 02:41:42 AM
 #136

Anything above 5 won't change hash rate on a dedicated box. 7 and below will allow the box to be usable as a pc and not stutter or crash or just be slow. It will slightly slow performance if you are doing other things.

My main work box is two 6990 at 880 and i7. It's perfectly usable and quiet all while getting 1.5ghash.
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June 21, 2012, 02:40:00 PM
 #137

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage

Mbps? You mean MH/s? Wink I kid...

It's really card dependent. I like PowerColor, Sapphire, and Asus. A lot of people have good luck with Gigabyte. I've heard to stay away from XFX and Diamond, but again, YMMV. There is no BEST brand for OCing.


Also, while a 5970 is technically 2x 5870s in one card, the voltages are lower to keep the power/temps down. Stock voltage on a 5870 is 1.174, while stock voltage on a 5970 is 1.050. If you lowered your 5870 down to 1.05, you won't be getting 450MH/s.

If you raised your 5970 to 1.174, you MIGHT be able to get 400+ per core, but it would be a very bad idea. Power draw increases, temps become too much for the shared cooler, and your VRM temps would be through the roof. Not a good idea.


Side note: Here are my 5870 speeds, for undervolting comparison:
460MH/s - 980/300/1.174 - My "all out" setting
425MH/s - 925/300/1.000 - My "max profit" setting
350MH/s - 755/300/0.950 - My "keep the temps down" setting.

I think my card can get higher clocks at each voltages than average, so yours may be a little lower.

you should try higher at 0.950v...   mine has been stable for 200+ hrs at 830/195/0.950

the next step for me is 940/195/1.112

then 1010/195/1.175

it's xfx non-ref (hmm or maybe a sapphire non-ref...  haha)

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June 25, 2012, 10:07:09 AM
 #138

How much power one needs to power 3x to 5x 5970s?

I have 2x 5970 at 1200W, the moment I try use 3x the thing gets really unstable and I can just assume it's due to insufficient power.

Running them with under clocked memory/default core/default voltage.
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June 25, 2012, 02:36:03 PM
 #139

How much power one needs to power 3x to 5x 5970s?

I have 2x 5970 at 1200W, the moment I try use 3x the thing gets really unstable and I can just assume it's due to insufficient power.

Running them with under clocked memory/default core/default voltage.

Plan for 200-300 W for each card. I'd say that PSU can handle 3 5970s at stock settings, or 4 if you undervolt. Do you have a killawatt?

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crazyates
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June 25, 2012, 02:37:29 PM
 #140

What's the best brand for 5970 in terms of overclocking/Mhps?

I got my Gigabyte 5870 to 450Mbps without much sweat, which is quite high for a 5870.

But my Gigabyte 5970s can't seem to go post 700Mhps without freezing the whole system  :/

I'm running them at 180/800MHz/Default voltage

Mbps? You mean MH/s? Wink I kid...

It's really card dependent. I like PowerColor, Sapphire, and Asus. A lot of people have good luck with Gigabyte. I've heard to stay away from XFX and Diamond, but again, YMMV. There is no BEST brand for OCing.


Also, while a 5970 is technically 2x 5870s in one card, the voltages are lower to keep the power/temps down. Stock voltage on a 5870 is 1.174, while stock voltage on a 5970 is 1.050. If you lowered your 5870 down to 1.05, you won't be getting 450MH/s.

If you raised your 5970 to 1.174, you MIGHT be able to get 400+ per core, but it would be a very bad idea. Power draw increases, temps become too much for the shared cooler, and your VRM temps would be through the roof. Not a good idea.


Side note: Here are my 5870 speeds, for undervolting comparison:
460MH/s - 980/300/1.174 - My "all out" setting
425MH/s - 925/300/1.000 - My "max profit" setting
350MH/s - 755/300/0.950 - My "keep the temps down" setting.

I think my card can get higher clocks at each voltages than average, so yours may be a little lower.

you should try higher at 0.950v...   mine has been stable for 200+ hrs at 830/195/0.950

the next step for me is 940/195/1.112

then 1010/195/1.175

it's xfx non-ref (hmm or maybe a sapphire non-ref...  haha)

Mine's a PowerColor with a reference cooler, and it crashes at 775,300,0.95. I'm happy with 925,300,1.000, so that's what I leave it at most of the time.

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Sant001
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June 27, 2012, 03:14:04 AM
 #141

How much power one needs to power 3x to 5x 5970s?

I have 2x 5970 at 1200W, the moment I try use 3x the thing gets really unstable and I can just assume it's due to insufficient power.

Running them with under clocked memory/default core/default voltage.

Plan for 200-300 W for each card. I'd say that PSU can handle 3 5970s at stock settings, or 4 if you undervolt. Do you have a killawatt?

I think my PSU needs a replacement... What's a good PSU to run 4x 5970s? Perhaps I will need to use 2x psu's on my setup
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June 27, 2012, 04:10:49 AM
 #142

How much power one needs to power 3x to 5x 5970s?

I have 2x 5970 at 1200W, the moment I try use 3x the thing gets really unstable and I can just assume it's due to insufficient power.

Running them with under clocked memory/default core/default voltage.

Plan for 200-300 W for each card. I'd say that PSU can handle 3 5970s at stock settings, or 4 if you undervolt. Do you have a killawatt?

I think my PSU needs a replacement... What's a good PSU to run 4x 5970s? Perhaps I will need to use 2x psu's on my setup

http://www.newegg.com/Product/Product.aspx?Item=N82E16817341046

Tips? 1crazy8pMqgwJ7tX7ZPZmyPwFbc6xZKM9
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May 28, 2013, 01:45:56 PM
 #143

has anyone found any major difference between mining of different flavors of 5970 like arctic cooler, black edition sapphire ?
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May 28, 2013, 02:02:11 PM
 #144

has anyone found any major difference between mining of different flavors of 5970 like arctic cooler, black edition sapphire ?

I have a reference and non-reference running in one rig, no real problems other than the fact that after changing the fan on the non-reference version, one gpu runs much hotter than the other.

Sorry, I don't have experience with arctic cooler or black edition 5970s.
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May 28, 2013, 05:05:56 PM
 #145

has anyone found any major difference between mining of different flavors of 5970 like arctic cooler, black edition sapphire ?

I have a reference and non-reference running in one rig, no real problems other than the fact that after changing the fan on the non-reference version, one gpu runs much hotter than the other.

Sorry, I don't have experience with arctic cooler or black edition 5970s.

thx man ......just for info Arctic cooler is with 3 fans ..and black edition is the one scored the highest with Diablo on the wiki page for performance..863 MH.... 
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December 27, 2013, 08:23:18 AM
 #146

sorry for bump

i got two readon 5970

i trying them for two days for litecoin mining.

i tried many .bat configs but i couldnt made them stable.

sometimes they get 90 temperature, sometimes they suddenly stop mining.

finally i put them off and inserted my powercolor 7950s

actually 5970s are mining about 700khs

7950s are mining 580khs

is there a way to run my 5970 stable?
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December 31, 2013, 04:59:44 AM
 #147

im guessing you got them used have they been rethermal pasted is the fan spinning up to speed and holding rpm?Huh

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December 31, 2013, 05:10:14 AM
 #148

is there a way to run my 5970 stable?

90 is to hot.

You should use software that can control the GPU fan speed and crank it up to max, and put big fans blowing on the cards.

Old-skool mining pic of what is appropriate:


Also, 5970s are power hogs, the max power rating at stock is 290 watts per card, your power supply might not be able to keep up.
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