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Author Topic: Just set up my little bitcoin mining kit - advice welcomed!  (Read 2603 times)
#Darren
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May 14, 2013, 03:34:04 PM
 #1

Hi all,

I just set up my modest little mining unit.

My setup is:

Processor:  amd fx 8-core processor  4.00 ghz    8.00gb ram    64bit

Graphics Cards:  gigabyte hd7970 x2

Motherboard - 990FXA-UD3

Power Supply:  750 watt


-----------------------------------


I am running GUIMiner x2 and it is bringing in approx 560 Mhashes x2   (1120 Mhash)

I am using slush's pool

Expected hashrate is not set to anything
Suggested Difficulty is set to 1


---------------------------------------

would appreciate any comments and advice  Smiley
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autodidactic
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May 14, 2013, 03:43:40 PM
 #2

This should bring you up to 750 kh/s each card brah:

GPU_threads:2
--shaders 2048
worksize:256
intensity: 13
vectors:1
thread concurrency: 8192

LZKRTwu1jUM8MphtJox54hHmXH4SiNTron
#Darren
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May 14, 2013, 03:50:02 PM
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This should bring you up to 750 kh/s each card brah:

GPU_threads:2
--shaders 2048
worksize:256
intensity: 13
vectors:1
thread concurrency: 8192

Thank you - which file do I have to go into to update that data?
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May 14, 2013, 03:58:54 PM
 #4

are you using GUIMINER?

LZKRTwu1jUM8MphtJox54hHmXH4SiNTron
#Darren
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May 14, 2013, 04:00:26 PM
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are you using GUIMINER?

Yes.
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May 14, 2013, 04:01:45 PM
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May 14, 2013, 04:02:38 PM
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Should look exactly like that. Smiley

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#Darren
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May 14, 2013, 04:06:14 PM
 #8

Should look exactly like that. Smiley

Ah, I see..    I am using GUIminer (v2012-12-03) which seems to be a different program to GUIminer-script

but I will dl it and give it a go - will report back with results.

Thanks again  Smiley
autodidactic
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May 14, 2013, 04:16:24 PM
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Here's the link bro: https://bitcointalk.org/index.php?topic=150331.0

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autodidactic
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May 14, 2013, 04:17:15 PM
 #10

Not a problem. I just didn't want you disheartened by the 560 kh/s that you get at first start. :p

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May 16, 2013, 01:32:30 AM
 #11

This should bring you up to 750 kh/s each card brah:

GPU_threads:2
--shaders 2048
worksize:256
intensity: 13
vectors:1
thread concurrency: 8192
You are giving him settings for something that is not bitcoin mining and the opening poster is mining bitcoins on slush's pool, so your settings will not help him.

Developer/maintainer for cgminer and ckpool/ckproxy.
ZERO FEE Pooled mining at ckpool.org, 1% Fee Solo mining at solo.ckpool.org
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May 16, 2013, 02:12:55 AM
 #12

Check the hardware comparison chart for some suggestions for Bitcoin mining.

https://en.bitcoin.it/wiki/Mining_hardware_comparison

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#Darren
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May 16, 2013, 07:20:11 AM
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This should bring you up to 750 kh/s each card brah:

GPU_threads:2
--shaders 2048
worksize:256
intensity: 13
vectors:1
thread concurrency: 8192
You are giving him settings for something that is not bitcoin mining and the opening poster is mining bitcoins on slush's pool, so your settings will not help him.

Ah I see..  those are for litecoin?  Still, thanks to autodidactic, I am interested in litecoin and will give it a trial spin  Smiley
#Darren
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May 16, 2013, 07:22:27 AM
 #14

Check the hardware comparison chart for some suggestions for Bitcoin mining.

https://en.bitcoin.it/wiki/Mining_hardware_comparison

Thanks,  I believe my cards are doing just fractionally lower than they are capable of.  I have them now running at approx 575-580 M/hash x 2
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May 23, 2013, 02:26:41 PM
 #15

Check the hardware comparison chart for some suggestions for Bitcoin mining.

https://en.bitcoin.it/wiki/Mining_hardware_comparison

Thanks,  I believe my cards are doing just fractionally lower than they are capable of.  I have them now running at approx 575-580 M/hash x 2

I'm running 5 of those same cards and they run stable at 660-675Mh/s for log periods of time.  Yes, you're results are "fractionally" lower, but IMO you could have saved $$$ and bought different cards if you were willing to settle for those numbers.
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May 24, 2013, 06:01:55 AM
 #16

Advice;

- Dump GUIMiner and learn to love CGMiner directly
- Install either Sapphire Trix or MSI Afterburner
- Overclock your cards' GPUs to at least 1130MHz. Downclock memory to 600MHz to save energy and generate less heat

Should yield you a stable ~685MHs hashing on a 7970.
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May 24, 2013, 06:41:47 AM
 #17

Why do you need an AMD FX 8-Core CPU for bitcoin mining?
miningdude
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May 24, 2013, 05:05:23 PM
 #18

Advice;

- Dump GUIMiner and learn to love CGMiner directly
- Install either Sapphire Trix or MSI Afterburner
- Overclock your cards' GPUs to at least 1130MHz. Downclock memory to 600MHz to save energy and generate less heat

Should yield you a stable ~685MHs hashing on a 7970.

So far, this is the best advice on this thread. CGMiner is awesome. I'm getting these same numbers stable on my 7970 rig.
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May 27, 2013, 03:00:58 PM
 #19

Advice;

- Dump GUIMiner and learn to love CGMiner directly
- Install either Sapphire Trix or MSI Afterburner
- Overclock your cards' GPUs to at least 1130MHz. Downclock memory to 600MHz to save energy and generate less heat

Should yield you a stable ~685MHs hashing on a 7970.

So far, this is the best advice on this thread. CGMiner is awesome. I'm getting these same numbers stable on my 7970 rig.

I second this
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