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Author Topic: Computer locking up with 2x msi 6950  (Read 651 times)
deanorn
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July 15, 2011, 01:11:37 PM
 #1

Hello, I'm new to Bitcoin mining and was hoping someone could help me out with this problem.  I have 1 computer that has 2 of the MSI 6950's in it and if I try and do something while its mining the computer usually just locks up.  I'm running Windows 7, with the 11.7 drivers, using the Guiminer.  I'm not sure if there is a flag or something I need to put in to help this?  And I don't have the video cards overclocked or anything.

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Each block is stacked on top of the previous one. Adding another block to the top makes all lower blocks more difficult to remove: there is more "weight" above each block. A transaction in a block 6 blocks deep (6 confirmations) will be very difficult to remove.
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xcooling
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July 15, 2011, 02:28:38 PM
 #2

Hi similar setup to mine.

Set the following:
In the ati control center -> performance -> graphics overdriver
AMD Overdrive: enable (ticked)
Power Control Settings: +20%
Enable Manual Fan control: enable (ticked)
set fan speed to 80%

Click apply.

I suggest you use cgminer.. seems to be pretty well optimized for 6990/ 6970/ 6950

http://forum.bitcoin.org/index.php?topic=28402.0

start cgminer with a batch file (runcg.bat) like this:
Code:
cgminer.exe -o http://ozco.in:8332 -u username.1 -p password -I 8

deanorn
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July 15, 2011, 02:35:17 PM
 #3

Thanks, I'll try that later today.

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