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Author Topic: 3x7970 Mining Results.  (Read 57635 times)
PcChip
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February 02, 2012, 12:43:21 AM
 #221

I just got my 7970 in today to replace my 2x GTX570 SLI setup.  I'm playing with DiabloMiner for the first time (back in the day I used to always use Phoenix + CGMiner), and getting ~660 MH/s with 1125MHz core, however I'm having trouble downclocking my GDDR5 VRAM.

Any changes I make to the RAM don't stick (as reported by MSI Afterburner and GPU-Z), I've tried using TriXX and Afterburner to lower the ram speed, but it just sits there at 1375.

I have noticed that when I try to set exactly 1000 it actually works, and that's where I have it sitting currently.

I'd like to get it down to where I used to mine with my 58x0's (300 MHz, or 302 MHz depending on the card)


Thanks for any ideas!

All rates with Phoenix 1.50 / PhatK
------------------------------------------------------------------------------------------------------------------------------
5850 - 400 MH/s  |  5850 - 355 MH/s | 5830 - 310 MH/s  |  GTX570 - 115 MH/s | 5770 - 210 MH/s | 5770 - 200 MH/s
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Keninishna
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February 02, 2012, 02:27:33 AM
 #222

Have you tried catalyst? It should let you go down to 150 on mem.
sveetsnelda
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February 02, 2012, 03:00:44 AM
 #223

I had the same problem with memclock, I was able to set it down to something like coreclock-125. The difference may have been greater than 125, I might be confusing that with 69xx.

I fixed it by running the latest beta version of Afterburner, going into the saved profiles (ini file) for my card, and setting the default/profile memclocks to 300,000. With that, Afterburner lets me select memclocks from 150-300MHz. "Reset" still brings the card back to 1375 on the mem, despite what I have set in the profile.

There's something wrong with the newest version of Afterburner.  I could not change it after updating either.  2.2.0 Beta 10 will let you change it.

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Frizz23
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February 10, 2012, 09:00:28 PM
 #224

Water Cooling:
Mining: 1200/150mhz,   1.17v, 251W - 700mh/s
Mining: 925/1375mhz,   1.17v, 190W - 550mh/s
Mining: 925/340mhz,    1.17v, 171W - 550mh/s
Mining: 925/340mhz,    880mv, 115W - 550mh/s
Mining: 925/340mhz,    865mv, 112W - 550mh/s
Mining: 925/150mhz,    865mv, 109W - 550mh/s

How did you manage to downclock your memory to 150MHz?

With Sapphire TriXX or MSI Afterburner I can only go down to as low as 685MHz.

Roadhog2k5
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February 10, 2012, 09:11:19 PM
 #225

Water Cooling:
Mining: 1200/150mhz,   1.17v, 251W - 700mh/s
Mining: 925/1375mhz,   1.17v, 190W - 550mh/s
Mining: 925/340mhz,    1.17v, 171W - 550mh/s
Mining: 925/340mhz,    880mv, 115W - 550mh/s
Mining: 925/340mhz,    865mv, 112W - 550mh/s
Mining: 925/150mhz,    865mv, 109W - 550mh/s

How did you manage to downclock your memory to 150MHz?

With Sapphire TriXX or MSI Afterburner I can only go down to as low as 685MHz.

/facepalm... read the couple posts above yours...
m3sSh3aD
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February 10, 2012, 09:14:53 PM
 #226

Water Cooling:
Mining: 1200/150mhz,   1.17v, 251W - 700mh/s
Mining: 925/1375mhz,   1.17v, 190W - 550mh/s
Mining: 925/340mhz,    1.17v, 171W - 550mh/s
Mining: 925/340mhz,    880mv, 115W - 550mh/s
Mining: 925/340mhz,    865mv, 112W - 550mh/s
Mining: 925/150mhz,    865mv, 109W - 550mh/s

How did you manage to downclock your memory to 150MHz?

With Sapphire TriXX or MSI Afterburner I can only go down to as low as 685MHz.

With trixx, lower the mem to lowest setting, click apply then it should move so you can lower it again. Keeep doing this until you get to 300/150. Alot of cards crash at 150, some do at 300 Wink
DiabloD3
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February 10, 2012, 10:35:32 PM
 #227

Water Cooling:
Mining: 1200/150mhz,   1.17v, 251W - 700mh/s
Mining: 925/1375mhz,   1.17v, 190W - 550mh/s
Mining: 925/340mhz,    1.17v, 171W - 550mh/s
Mining: 925/340mhz,    880mv, 115W - 550mh/s
Mining: 925/340mhz,    865mv, 112W - 550mh/s
Mining: 925/150mhz,    865mv, 109W - 550mh/s

How did you manage to downclock your memory to 150MHz?

With Sapphire TriXX or MSI Afterburner I can only go down to as low as 685MHz.

The real question is how did he do it and not crash the card.

Frizz23
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February 10, 2012, 10:59:37 PM
 #228

- with Trixx I can downclock memory, but voltage only down to 1170mV
- with Afterburner I can only downclock memory to 685, not lower - but voltage to as low as I want.

Real question is: How to downclock memory AND set voltage to 865mV ?


despoiler
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February 10, 2012, 11:10:11 PM
 #229

- with Trixx I can downclock memory, but voltage only down to 1170mV
- with Afterburner I can only downclock memory to 685, not lower - but voltage to as low as I want.

Real question is: How to downclock memory AND set voltage to 865mV ?



Use both programs and hope they play nice together. 
deepceleron
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February 10, 2012, 11:15:47 PM
 #230

Trixx has registry entries for storing it's values. Manually setting them in the registry to what you want will "unlock" a range in the GUI that wasn't previously available.

Search the registry for ID_OC_MEM_SLIDER, ID_OC_VOLTAGE_SLIDER, and you will see these are set to the saved values in Trixx. Close Trixx, change the OC_MEM_SLIDER reg_dword to 150 decimal, and restart Trixx. You can now use a lower range of settings. Repeat for anything else you want to change.

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February 10, 2012, 11:44:49 PM
 #231

Search the registry for ID_OC_MEM_SLIDER, ID_OC_VOLTAGE_SLIDER, and you will see these are set to the saved values in Trixx. Close Trixx, change the OC_MEM_SLIDER reg_dword to 150 decimal, and restart Trixx. You can now use a lower range of settings. Repeat for anything else you want to change.

No matter what I set for ID_OC_VOLTAGE_SLIDER, it always shows 1170 as the minimum.

Roadhog2k5
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February 11, 2012, 02:00:45 AM
 #232



The real question is how did he do it and not crash the card.

Why would the card crash? Odd...

Easy to do.. Get MSI AB Beta 10. Set mem to min, apply.. close, open, set to min again, apply, close, repeat again...
Frizz23
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February 11, 2012, 09:05:50 AM
 #233

Easy to do.. Get MSI AB Beta 10. Set mem to min, apply.. close, open, set to min again, apply, close, repeat again...

Not working for me. I can't go lower than 685.

I now use cgminer to set voltage, gpu & memory clocks. Stop it. And then start DiabloMiner. That works. But I don't like it ...  Wink

coretechs
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February 11, 2012, 01:04:40 PM
 #234

I usually set the memory in catalyst first for one card, then load Afterburner and apply it to all the others.  In catalyst you can clock the memory to 150mhz for the primary card.  Then in AB adjust the fan or something else on the same card and hit apply.  It should set the ram speed on any additional cards you have as long as the checkbox is checked.

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February 11, 2012, 01:22:09 PM
 #235

I just released cgminer 2.2.4 which is the first release with respectable (read not the fastest, but good) performance for 7970.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
Pooled mine at kano.is, solo mine at solo.ckpool.org
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Frizz23
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February 11, 2012, 06:14:05 PM
 #236

I just released cgminer 2.2.4 which is the first release with respectable (read not the fastest, but good) performance for 7970.

Thanks ckolivas. Which command line settings to use for optimum 7970 performance?

1onevvolf
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February 11, 2012, 06:26:58 PM
 #237

Has anyone managed to get vanitygen working on GCN? I'm only getting failed hashes.
malevolent
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February 11, 2012, 06:31:13 PM
 #238

Has anyone managed to get vanitygen working on GCN? I'm only getting failed hashes.

You mean oclvanitygen?
1onevvolf
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February 11, 2012, 07:58:11 PM
 #239

Has anyone managed to get vanitygen working on GCN? I'm only getting failed hashes.

You mean oclvanitygen?

Yes.
sveetsnelda
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February 11, 2012, 08:23:53 PM
 #240

Has anyone managed to get vanitygen working on GCN? I'm only getting failed hashes.

The answer is in the thread you're posting in.  Search, my friend.  Smiley
https://bitcointalk.org/index.php?topic=57410.msg695201#msg695201

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