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Folding Instability

B

Bun-Bun

Gawd
Joined
Sep 11, 2003
Messages
555
Hey, I was wondering if anyone else has heard of this or had this happen to them.

I have my P4 2.6c @ 3.421 perfectly stable with prime95 stress test and a 3d application running holding it at 100% for over 30 hours.

But then I got folding@home. It was running fine for awhile but then my system started locking up. So I ran my prime95 stress test and a 3d application again and it was still stable for over 30 hours...but If I run prime95 and folding@home it locks up on test 4. downclock to 3.38 and even that runs ok.

I just thinks its kinda odd that my system only shows instability with folding@home running. I keep it at 3.38 when folding@home is running and 3.42 when benchmarking and such now...
 
Don't know if this is relevant, but I had a lot of trouble with my OC'd p4 until I stopped using the -forceasm switch. Apparently the F@H program really rails on the SSE instruction thimgummy, and it can reveal system instability even where p95 cannot.

I realize it's unlikely that folding production is your main goal with that system, but I just thought I would mention that I found it more efficient to downclock my system and use -forceasm than to remove -forceasm and maintain a high overclock.
 
I my computer is running Folding@home non stop so I usually have it clocked down to 3.38ghz. I recently formatted and now its a little more stable at 3.42. It passes 50 test instead of 4. But I still keep it at 3.38 when folding@home is running.
 
Someone else asked this same question awhile back and the concensus was that folding was more stressful than prime95; just like you decided. Anyways that's only a loss of 60mhz... not noticeable.

I have seen on a few websites were they run folding and prime95 to test the stability of the overclocks.
 
Originally posted by MN Scout
Someone else asked this same question awhile back and the concensus was that folding was more stressful than prime95; just like you decided. Anyways that's only a loss of 60mhz... not noticeable.

I have seen on a few websites were they run folding and prime95 to test the stability of the overclocks.
Click to expand...

heh not even 60mhz, only 40mhz...yeah its not noticable but its mroe braging rights.

And yeah it sure seems that prime95 in conjunction with folding@home is a great way to test stability in a system. But for most things...I think the stability at 3.42ghz that I get is good enough...until I run folding@home that is ;)

ohwell, maybe ill get water cooling
 
Here's a little something I found out thats interesting. It was brought to my attention that HT causes voltage fluctuations. Well I tested it out and sure enough with HT disabled my VCore is perfectly stable. So I tested my Folding@home with Prime95 torture test again. 100% ok at 3.421ghz. Ran for good 32 hours no problems.

Granted I didnt process numbers as fast in prime but Folding@home didnt seem to take a hit from it.
 
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