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Title: 7990 HW error's at stock settings, HELP Post by: mdmx on February 26, 2014, 04:47:48 AM Hi guys, I'm having a major issue and I don't know why.
https://i.imgur.com/69VGffx.jpg My 3x7990's arrived and I'm building the new addition to my mini-farm but at stock settings, the 7990 is throwing up HW errors and I'm not sure why. Originally I thought it was because I was trying to undervolt (man these cards run hot) but even at stock settings... no dice. Below is my config, let me know if there is anything I can do/try to get this thing going and it's really annoying me. Last night I got it stable but woke up with morning with no HW errors but CG miner crashed shortly after I went to bed. What voltage should I try? Cards are 2x ASUS and 1x MSI. Quote setx GPU_MAX_ALLOC_PERCENT 100 color 02 cgminer.exe --scrypt -o stratum+tcp://google.com:3338 -u x -p o -I 13 -w 256 --thread-concurrency 8192 -g 2 --gpu-powertune 10 Title: Re: 7990 HW error's at stock settings, HELP Post by: Eastwind on February 26, 2014, 11:30:11 AM Just reduce the core frequency a few MHz.
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