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Author Topic: 1BTC bounty -- increase 7970 hashrate on bamt/cgminer  (Read 20396 times)
-ck
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April 29, 2012, 02:28:04 PM
 #21

7970 can run as low as engine less 150.

1050 Eng = 900 Mem
1125 Eng = 975 Mem

etc...

Hitting "G" in cgminer (which will be running in screen -- 'screen -r' will attach you) will show you all the details.
Which you can do at startup with the memdiff option:
--gpu-memdiff -150

Primary developer/maintainer for cgminer and ckpool/ckproxy.
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April 29, 2012, 02:49:59 PM
 #22

I should do that  Grin

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May 01, 2012, 06:10:37 PM
 #23

Answers from CKolivas about cgminer... just listen, i bet he is right.....
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April 28, 2013, 06:21:19 PM
 #24

what about my xfx HD7950
let's say coreCLock is 900
what mem? why? ad i do i make the calculations

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April 29, 2013, 03:19:02 PM
 #25

<Separate problem from priors>

I had 2 7970 running fine, added #3.  Now I see one card at right about 1/2 production, like 298 Mhash, the other 2 cards at 550-600 Mhash.

So what would cause a card to half run?

PS is 1200 Thermaltake, and voltages look fine.
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