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1055T suddenly not F@H Stable

post #1 of 12
Thread Starter 
Haven't touched the hardware in my computer except for the usual cleaning of the dust filters, so I'm not really sure what's happened. I also only seem to crash on the 6701/6702 projects. It passes Linx/IBT/Prime (15 hrs) but always crashes ~33-40% into those WU.

1055T w Cogage Arrow (2 x DS12M YL)
Bus Speed - 288 x 14 (4018)
CPU Vcore - 1.488v (1.475 in bios)
HT and NB Freq - 2295 (x8 multi)
Ram - 8-8-8-20 1T 1.50v

Room temp - 23C
CPU Idle/Load - 26C/50
NB Idle/Load - 30/45

And here I thought I had everything ready to go >_>
post #2 of 12
The 670x WU's are much more stressful than other WU's, so if your OC isn't 100% stable, then it will crash.

Your HT looks to be too high, and your NB is too low. Try to keep the HT as close to 2000mhz as possible and try to get your NB up to 2600-2800mhz because that will help with stability.

I see it happen time and time again where someone's computer is stable under prime95, IBT, etc, but they BSOD while folding. Folding is the ultimate stress test for a CPU.
Edited by HobieCat - 1/25/11 at 9:03pm
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post #3 of 12
I had a problem where F@H would totally mess my screen up and I was forced to reboot and I fixed it by upping the voltage some more. Its also better to keep your HT by 2000 maybe try that. Also I think F@H stresses your cpu a lot more than a stress test. U could try the -smp 5 tag which will only fold for 5 cores out of 6, PPD for me when tested stayed the same. I'm not sure what else to tell you. I hope you fix it.
post #4 of 12
Thread Starter 
Running IBT at the moment with HT at 2009 and NB at 2582, getting ~13gflops less like this. On the plus side, temps dropped a few degrees on both the core and NB.
post #5 of 12
Quote:
Originally Posted by Velathawen View Post
Running IBT at the moment with HT at 2009 and NB at 2582, getting ~13gflops less like this. On the plus side, temps dropped a few degrees on both the core and NB.
I'd say forget IBT and get your NB up to 2800 atleast. Mines at 2879 right now and feels like it can go up even more. Having your HT more than 2000 is a stability issue so it has to remain at default.

Edit: Whats your CPU/NB voltage at? Increasing that can make an overclock more stable
post #6 of 12
Thread Starter 
CPU - 1.475
CPU NB - 1.21
NB VID - 1.29

So far seems alright, might have to prime again when I go to sleep later.
post #7 of 12
Quote:
Originally Posted by Velathawen View Post
CPU - 1.475
CPU NB - 1.21
NB VID - 1.29

So far seems alright, might have to prime again when I go to sleep later.
My CPU/NB voltage is 1.25 maybe that will help. If you can prime/linx/ibt for hours i'd say skip that and try folding as your stress test. Try -smp 5 tag it equals out the load over all 6 cores but cores are at anywhere between 75-95/100% compared to folding all 6 cores 100% which is pretty stressful.
post #8 of 12
Thread Starter 
Gonna let it fold for a bit, will post back if any issues arise, thanks!
post #9 of 12
Quote:
Originally Posted by Velathawen View Post
Gonna let it fold for a bit, will post back if any issues arise, thanks!
All right I wish you much luck!
post #10 of 12
Quote:
Originally Posted by Velathawen View Post
Haven't touched the hardware in my computer except for the usual cleaning of the dust filters, so I'm not really sure what's happened. I also only seem to crash on the 6701/6702 projects. It passes Linx/IBT/Prime (15 hrs) but always crashes ~33-40% into those WU.

1055T w Cogage Arrow (2 x DS12M YL)
Bus Speed - 288 x 14 (4018)
CPU Vcore - 1.488v (1.475 in bios)
HT and NB Freq - 2295 (x8 multi)
Ram - 8-8-8-20 1T 1.50v

Room temp - 23C
CPU Idle/Load - 26C/50
NB Idle/Load - 30/45

And here I thought I had everything ready to go >_>
15 hours in prime is insufficient to deem an OC stable, especially if you're going to fold with it. 24 hours minimum.
IBT/LinX is a relatively useless tool for AMD's. An OCN member ran 500 passes @ 100% and passed. Loaded up F@H and BSOD'd within 5 minutes.

Quote:
Originally Posted by HobieCat View Post
The 670x WU's are much more stressful than other WU's, so if your OC isn't 100% stable, then it will crash.

Your HT looks to be too high, and your NB is too low. Try to keep the HT as close to 2000mhz as possible and try to get your NB up to 2600-2800mhz because that will help with stability.

I see it happen time and time again where someone's computer is stable under prime95, IBT, etc, but they BSOD while folding. Folding is the ultimate stress test for a CPU.
I agree with all you've said except the bold statement. Increasing the CPU/NB frequency wont increase stability, if anything, quite the opposite.
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