freeminer (OP)
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May 03, 2011, 11:04:43 PM |
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Need help!
I recently bought new Gigabyte HD 6990 and find out that second of GPUs dont work properly. DiabloMiner show error: "ERROR: Invalid block found on Cayman (#2), possible driver or hardware issue". poclbm dont want to work with second gpu too. It begins to calculate, shows 350 Mhash/s and then says that "verification failed". I'm running on windows XP now.
Is this trouble a standard issue for HD 6990 or not?
Catalyst Control Center shows that second GPU is disabled and I didn't find how to enable it.
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clonedone
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May 04, 2011, 12:11:34 AM |
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Which cata do u have 11.3? or 11.4? can u switch to windows 7?
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MemoryDealers
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May 04, 2011, 05:19:34 AM |
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I'm having the same issue on my XP box
Any luck?
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clonedone
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May 04, 2011, 05:36:57 AM |
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well i just set up a brand new comp with two 6990 and windows 7 would not recognize both of them until i crossfired
try that out. try out crossfire first. then if not, try windows 7 if its not too much of a problem
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freeminer (OP)
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May 04, 2011, 10:32:14 AM |
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Which cata do u have 11.3? or 11.4? can u switch to windows 7?
Hi! I'll try it in the next few days.
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gat3way
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May 04, 2011, 10:42:04 AM |
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On linux you should disable crossfire and use Catalyst 11.4/SDK2.4. It works.
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freeminer (OP)
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May 04, 2011, 10:46:23 AM |
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well i just set up a brand new comp with two 6990 and windows 7 would not recognize both of them until i crossfired
try that out. try out crossfire first. then if not, try windows 7 if its not too much of a problem
I have only one hd 6990. HD6990 has two GPUs. First one (Cayman 1) works fine but with second one I got errors and CCC shows that it "Disabled"
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freeminer (OP)
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May 04, 2011, 10:51:43 AM |
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I'm having the same issue on my XP box
Any luck?
I find out that gpu-z recognize second gpu and poclbm can use it for a while. I mean that I started mining on second gpu and gpu-z shows loading increase on second gpu. And more interesting that I tried to do it several times and sometimes it worked within 2-3 minutes with no errors. I'll try other motherboard and windows 7 and report on the results
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clonedone
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May 04, 2011, 11:38:10 AM |
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I'm having the same issue on my XP box
Any luck?
I find out that gpu-z recognize second gpu and poclbm can use it for a while. I mean that I started mining on second gpu and gpu-z shows loading increase on second gpu. And more interesting that I tried to do it several times and sometimes it worked within 2-3 minutes with no errors. I'll try other motherboard and windows 7 and report on the results what cata version? on the windows 7 one be sure to download cata 11.4
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netxshare
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May 04, 2011, 07:11:10 PM |
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well i just set up a brand new comp with two 6990 and windows 7 would not recognize both of them until i crossfired
try that out. try out crossfire first. then if not, try windows 7 if its not too much of a problem
In windows you must use a dummy vga ( http://www.techpowerup.com/forums/showthread.php?t=86507 ) to get two 5970s or 6990s working. This is what I have been told. Windows will shutoff the card unless it's setup under crossfire.
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freeminer (OP)
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May 15, 2011, 09:38:40 AM |
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I'll try other motherboard and windows 7 and report on the results
Hi! With windows 7 all works fine on the same motherboard. I've installed special windows7 drivers for hd6990. Sorry for late reply.
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