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Author Topic: best mining settings for 7970  (Read 12750 times)
chungenhung
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June 04, 2012, 11:34:40 PM
 #21

If you're just using one card for now, use CCC 12.3.  I have 4 separate 7xxx cards going in one rig without any issues.  Haven't tried more than 4 though.

As for settings:

CGMiner
intensity: 7
vectors: 1
worksize: 256
kernel: diablo

MSI Afterburner
Core voltage: depends on your card (I leave mine at stock voltage)
Core clock: 1100 MHz
Memory clock: 170 MHz
Fan speed: 85%

This will yield 650 Mh/s.
I used intensity 11. Running at 673MHash.
Default volt, 1125 core, default memory.
How do I reduce the memory speed? I tried the slider in AB, but it doesn't change at all.
I read there's a special file that I need to change in AB, what would that be?

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scifimike12
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June 05, 2012, 01:13:34 AM
 #22

If you're just using one card for now, use CCC 12.3.  I have 4 separate 7xxx cards going in one rig without any issues.  Haven't tried more than 4 though.

As for settings:

CGMiner
intensity: 7
vectors: 1
worksize: 256
kernel: diablo

MSI Afterburner
Core voltage: depends on your card (I leave mine at stock voltage)
Core clock: 1100 MHz
Memory clock: 170 MHz
Fan speed: 85%

This will yield 650 Mh/s.
I used intensity 11. Running at 673MHash.
Default volt, 1125 core, default memory.
How do I reduce the memory speed? I tried the slider in AB, but it doesn't change at all.
I read there's a special file that I need to change in AB, what would that be?

Intensity 11 is fine, but seems to cause CPU bug with multiple cards.  So I leave it on 7 with my miners.

You have to go into MSIAfterburner.cfg and change UnofficialOverclockingMode = 2.  When you open AB again, it will ask you to accept, click Yes.  Then you should be able to lower your memory speed and it should stick.  If you want to lower it even further, close AB, go into the Profiles folder (MSI Afterburner\Profiles) and delete anything that starts with VEN_.  When you open AB again, it will ask you to restart to detect default settings properly, click No.
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June 05, 2012, 01:45:05 AM
 #23

Once i found the benefit of undervolting.  I will never run my cards flat out anymore, not unless btc's are 30 a piece!!

Minimizing electrical costs is such a short-sighted goal. The main goal should be to maximize profit.

Even if you paid 10c/kwh, it makes sense to run at stock volts and max out the GPU.

For your particular system:

3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr

1.44 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $1261.44/yr
0.83 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $727.08/yr

3300MH/s profit = $2695.8/yr
2750MH/s profit = $2570.64/yr

As long as your power supply can handle it, it makes sense to run stock voltage and overclocked.


I agree with you. Usually I don't care about the undervolt. Cause I know the calculation would be kind of close, and I just got lazy.

Woah Now I'm confused!

You're increasing your electricity used by 74%. That extra power only gives you an increase of 20% in hashing speed. Your efficiency goes down from 3.31MHs/W to 2.29MHs/W. And yet you still manage an extra $120 profit? I'm gonna say that only works when your $/KWh is low. Lets try again at 15c/KWh...

Quote
3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr *Stays the same*
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr *Stays the same*

1.44 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1892.16/yr *50% increase, dur*
0.83 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1090.62/yr *50% increase, again*

3300MH/s profit = $2065.08/yr
2750MH/s profit = $2207.10/yr *~$140 more profit*

So at $0.15/KWh, it's more profitable to lower the voltages/hashes. OK...I feel less bad for maximizing efficiency now, because I am not getting 10c/KWh Tongue

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June 05, 2012, 07:11:09 AM
 #24

Once i found the benefit of undervolting.  I will never run my cards flat out anymore, not unless btc's are 30 a piece!!

Minimizing electrical costs is such a short-sighted goal. The main goal should be to maximize profit.

Even if you paid 10c/kwh, it makes sense to run at stock volts and max out the GPU.

For your particular system:

3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr

1.44 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $1261.44/yr
0.83 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $727.08/yr

3300MH/s profit = $2695.8/yr
2750MH/s profit = $2570.64/yr

As long as your power supply can handle it, it makes sense to run stock voltage and overclocked.


I agree with you. Usually I don't care about the undervolt. Cause I know the calculation would be kind of close, and I just got lazy.

Woah Now I'm confused!

You're increasing your electricity used by 74%. That extra power only gives you an increase of 20% in hashing speed. Your efficiency goes down from 3.31MHs/W to 2.29MHs/W. And yet you still manage an extra $120 profit? I'm gonna say that only works when your $/KWh is low. Lets try again at 15c/KWh...

Quote
3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr *Stays the same*
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr *Stays the same*

1.44 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1892.16/yr *50% increase, dur*
0.83 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1090.62/yr *50% increase, again*

3300MH/s profit = $2065.08/yr
2750MH/s profit = $2207.10/yr *~$140 more profit*

So at $0.15/KWh, it's more profitable to lower the voltages/hashes. OK...I feel less bad for maximizing efficiency now, because I am not getting 10c/KWh Tongue

You're right, at 15c/kWh it is profitable to undervolt. May I ask where you live that is so expensive?

chungenhung
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June 05, 2012, 01:02:38 PM
 #25

good thing i pay 10c per kwh

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aqrulesms
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June 05, 2012, 01:34:07 PM
 #26

$0.11 summer and $0.09 winter here now..

Used to be like $0.03-0.04

Dang rate increases  Angry
crazyates
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June 05, 2012, 01:53:29 PM
 #27

Once i found the benefit of undervolting.  I will never run my cards flat out anymore, not unless btc's are 30 a piece!!

Minimizing electrical costs is such a short-sighted goal. The main goal should be to maximize profit.

Even if you paid 10c/kwh, it makes sense to run at stock volts and max out the GPU.

For your particular system:

3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr

1.44 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $1261.44/yr
0.83 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $727.08/yr

3300MH/s profit = $2695.8/yr
2750MH/s profit = $2570.64/yr

As long as your power supply can handle it, it makes sense to run stock voltage and overclocked.


I agree with you. Usually I don't care about the undervolt. Cause I know the calculation would be kind of close, and I just got lazy.

Woah Now I'm confused!

You're increasing your electricity used by 74%. That extra power only gives you an increase of 20% in hashing speed. Your efficiency goes down from 3.31MHs/W to 2.29MHs/W. And yet you still manage an extra $120 profit? I'm gonna say that only works when your $/KWh is low. Lets try again at 15c/KWh...

Quote
3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr *Stays the same*
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr *Stays the same*

1.44 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1892.16/yr *50% increase, dur*
0.83 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1090.62/yr *50% increase, again*

3300MH/s profit = $2065.08/yr
2750MH/s profit = $2207.10/yr *~$140 more profit*

So at $0.15/KWh, it's more profitable to lower the voltages/hashes. OK...I feel less bad for maximizing efficiency now, because I am not getting 10c/KWh Tongue

You're right, at 15c/kWh it is profitable to undervolt. May I ask where you live that is so expensive?

Southern Maine, with residential prices. It's gone down from about 15 1/2 to 14 1/2 over the past year.

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jjiimm_64
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June 05, 2012, 03:55:24 PM
 #28


Not to mention the heat factor, and card/fan life..  i want these cards running for years

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June 05, 2012, 05:42:13 PM
 #29


Not to mention the heat factor, and card/fan life..  i want these cards running for years

Noise too ! Electromigration too.

Anyone that is NOT undervolting their GPUs with the incoming army of FPGA/ASIC and 25 BTC reward is only kidding themselves or being lazy and losing out $$$.

Maybe free power people ... but somebody is paying for it !
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June 05, 2012, 07:08:51 PM
 #30

Once i found the benefit of undervolting.  I will never run my cards flat out anymore, not unless btc's are 30 a piece!!

Minimizing electrical costs is such a short-sighted goal. The main goal should be to maximize profit.

Even if you paid 10c/kwh, it makes sense to run at stock volts and max out the GPU.

For your particular system:

3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr

1.44 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $1261.44/yr
0.83 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $727.08/yr

3300MH/s profit = $2695.8/yr
2750MH/s profit = $2570.64/yr

As long as your power supply can handle it, it makes sense to run stock voltage and overclocked.


I agree with you. Usually I don't care about the undervolt. Cause I know the calculation would be kind of close, and I just got lazy.

Woah Now I'm confused!

You're increasing your electricity used by 74%. That extra power only gives you an increase of 20% in hashing speed. Your efficiency goes down from 3.31MHs/W to 2.29MHs/W. And yet you still manage an extra $120 profit? I'm gonna say that only works when your $/KWh is low. Lets try again at 15c/KWh...

Quote
3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr *Stays the same*
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr *Stays the same*

1.44 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1892.16/yr *50% increase, dur*
0.83 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1090.62/yr *50% increase, again*

3300MH/s profit = $2065.08/yr
2750MH/s profit = $2207.10/yr *~$140 more profit*

So at $0.15/KWh, it's more profitable to lower the voltages/hashes. OK...I feel less bad for maximizing efficiency now, because I am not getting 10c/KWh Tongue

You're right, at 15c/kWh it is profitable to undervolt. May I ask where you live that is so expensive?

15c/kwh is expensive? How about 24c/kwh.  Sad
crazyates
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June 05, 2012, 07:11:44 PM
 #31

Once i found the benefit of undervolting.  I will never run my cards flat out anymore, not unless btc's are 30 a piece!!

Minimizing electrical costs is such a short-sighted goal. The main goal should be to maximize profit.

Even if you paid 10c/kwh, it makes sense to run at stock volts and max out the GPU.

For your particular system:

3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr

1.44 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $1261.44/yr
0.83 kW * 24h/day * 365 day/yr * 0.1 $/kWh = $727.08/yr

3300MH/s profit = $2695.8/yr
2750MH/s profit = $2570.64/yr

As long as your power supply can handle it, it makes sense to run stock voltage and overclocked.


I agree with you. Usually I don't care about the undervolt. Cause I know the calculation would be kind of close, and I just got lazy.

Woah Now I'm confused!

You're increasing your electricity used by 74%. That extra power only gives you an increase of 20% in hashing speed. Your efficiency goes down from 3.31MHs/W to 2.29MHs/W. And yet you still manage an extra $120 profit? I'm gonna say that only works when your $/KWh is low. Lets try again at 15c/KWh...

Quote
3300MH/s generates at current difficulty and $5.2 exchange rate: $3957.24/yr *Stays the same*
2750MH/s generates at current difficulty and $5.2 exchange rate: $3297.72/yr *Stays the same*

1.44 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1892.16/yr *50% increase, dur*
0.83 kW * 24h/day * 365 day/yr * 0.15 $/kWh = $1090.62/yr *50% increase, again*

3300MH/s profit = $2065.08/yr
2750MH/s profit = $2207.10/yr *~$140 more profit*

So at $0.15/KWh, it's more profitable to lower the voltages/hashes. OK...I feel less bad for maximizing efficiency now, because I am not getting 10c/KWh Tongue

You're right, at 15c/kWh it is profitable to undervolt. May I ask where you live that is so expensive?

15c/kwh is expensive? How about 24c/kwh.  Sad

That's when you go FPGA Tongue

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AzN1337c0d3r
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June 05, 2012, 07:39:57 PM
 #32


Not to mention the heat factor, and card/fan life..  i want these cards running for years

Noise too ! Electromigration too.

Anyone that is NOT undervolting their GPUs with the incoming army of FPGA/ASIC and 25 BTC reward is only kidding themselves or being lazy and losing out $$$.

Maybe free power people ... but somebody is paying for it !

Watercool for the noise and the fan life.

Electromigration isn't a factor when you consider these cards will be obsolete far before that becomes an issue.

There are still parts of the US that pay less than $0.06c/kwh so this will still be competitive with FPGA, even after 25 BTC reward drop.

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June 05, 2012, 07:48:12 PM
 #33

Just ordered 3.6GH/s worth of FPGAs a few days ago. When I started mining way back March last year, a 5670 could earn ~3 BTC/day and electricity was 17c/kwh.
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June 05, 2012, 08:13:39 PM
 #34

Just ordered 3.6GH/s worth of FPGAs a few days ago. When I started mining way back March last year, a 5670 *could* earn ~3 BTC/day and electricity was 17c/kwh.

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June 05, 2012, 11:37:55 PM
 #35

Just ordered 3.6GH/s worth of FPGAs a few days ago. When I started mining way back March last year, a 5670 *could* earn ~3 BTC/day and electricity was 17c/kwh.

Sorry, english is not my primary language.
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June 06, 2012, 12:05:47 AM
 #36

Just ordered 3.6GH/s worth of FPGAs a few days ago. When I started mining way back March last year, a 5670 *could* earn ~3 BTC/day and electricity was 17c/kwh.


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August 12, 2012, 02:50:47 AM
 #37

Digging this thread back out from its June 6 grave.

Any more miners with settings, mhash results and watts to report?

I'm currently using an ASUS directCU II (non-TOP) pulling 673mh/s at stock voltage with 1150 GPU clock and 450 memory.. Just starting to play with optimization so input and other experiences would be great.
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August 12, 2012, 03:20:37 AM
 #38

Just ordered 3.6GH/s worth of FPGAs a few days ago. When I started mining way back March last year, a 5670 could earn ~3 BTC/day and electricity was 17c/kwh.

Which FPGA hardware did u go for?

Looking to review Bitcoin / Crypto mining Hardware.
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August 12, 2012, 05:18:02 PM
 #39

one of my elec circuits are at it's limit, so i downclocked further... getting 3.6Mh/watt
 

rig:  gd70 with Seasonic 750's, phenum 4core, 4g ram

clocks:  800/650/887volts. (cgminer displays volts improperly)

rig is pulling 660 watts at the wall

Code:
cgminer version 2.3.6 - Started: [August 11, 2012, 9:02 pm]    Rig:miner19
miner19
(5s):2385.78  (avg): 2381.94 Mh/s  |    H: 87.6  Q:17589   A:31314   R:717   HW:0   E:?%   U:32.14/m
TQ:?   ST:35   SS:?   DW:2399   NB:108   LW:90454   GF:8   RF:31
Connected to http://gpumax.com:8332 with LP as user ?
Value:
GPU 0: 73.0C 2857RPM 47% 120 | 476.9/476.2Mh/s | 99% | 800Mhz 650Mhz 1.17V A:6283 R:151 HW:0 U:6.45/m I: 9
GPU 1: 70.0C 1081RPM 0% 70 | 477.3/476.5Mh/s | 99% | 800Mhz 650Mhz 1.17V A:6285 R:134 HW:0 U:6.45/m I: 9
GPU 2: 71.0C 1056RPM 0% 71 | 477.4/476.5Mh/s | 99% | 800Mhz 650Mhz 1.17V A:6292 R:135 HW:0 U:6.46/m I: 9
GPU 3: 70.0C 1097RPM 0% 70 | 477.0/476.1Mh/s | 99% | 800Mhz 650Mhz 1.17V A:6270 R:150 HW:0 U:6.44/m I: 9
GPU 4: 72.0C 1284RPM 35% 107 | 477.3/476.5Mh/s | 99% | 800Mhz 650Mhz 1.17V A:6184 R:147 HW:0 U:6.35/m I: 9

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August 12, 2012, 08:13:45 PM
 #40

If you're just using one card for now, use CCC 12.3.  I have 4 separate 7xxx cards going in one rig without any issues.  Haven't tried more than 4 though.

As for settings:

CGMiner
intensity: 7
vectors: 1
worksize: 256
kernel: diablo

MSI Afterburner
Core voltage: depends on your card (I leave mine at stock voltage)
Core clock: 1100 MHz
Memory clock: 170 MHz
Fan speed: 85%

This will yield 650 Mh/s.
I used intensity 11. Running at 673MHash.
Default volt, 1125 core, default memory.
How do I reduce the memory speed? I tried the slider in AB, but it doesn't change at all.
I read there's a special file that I need to change in AB, what would that be?

Intensity 11 is fine, but seems to cause CPU bug with multiple cards.  So I leave it on 7 with my miners.

You have to go into MSIAfterburner.cfg and change UnofficialOverclockingMode = 2.  When you open AB again, it will ask you to accept, click Yes.  Then you should be able to lower your memory speed and it should stick.  If you want to lower it even further, close AB, go into the Profiles folder (MSI Afterburner\Profiles) and delete anything that starts with VEN_.  When you open AB again, it will ask you to restart to detect default settings properly, click No.

If that method dosen't work,just copy & paste the info below over the info in the MSIAfterburner.config file under this section-[ATIADLHAL]

BTW,you can open the config file with notepad  Grin

EnableUnofficialOverclocking   = 1
UnofficialOverclockingEULA   = I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it
UnofficialOverclockingMode   = 2
AccessibilityCheckingPeriod   = 0

"If you run into an asshole in the morning, you ran into an asshole. If you run into assholes all day long, you are the asshole."  -Raylan Givens
Got GOXXED ?? https://www.youtube.com/watch?v=9KiqRpPiJAU&feature=youtu.be
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