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955 fails p95 at stock, is it dying?

post #1 of 41
Thread Starter 
So here's the deal, my 955 can't pass p95 blend at stock settings, it fails after like 5 minutes. (All voltages, multiplier, FSB, etc. set to Auto in BIOS, memory set to default speeds)

But it did about 1 hour of small FFTs without any problems. Since blend is supposed to test your RAM more you'd think it was the RAM but this RAM is brand new and I just ran a full pass of Memtest86+ a week ago and there weren't any errors (I'm going to run Memtest again in a couple minutes.)

Also I can't play any game without it BSODing within a couple minutes.

Two things have changed since my CPU was working fine:

-I forgot to turn up the fan speed and according to HwMonitor it reached a max temperature of 68C. The temperature reading for TMPIN0 in HwM is quite a bit lower, so I'm not sure which one to trust.

-I switched to a crap PSU because it made cable mangement easier . But I'm using nowhere near the PSUs rated power so I don't think the PSU is the problem. Software voltages all are in spec, not sure what the actual volts are.

What you guys think, did my 955 just bite the dust or is it maybe something else?
     
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post #2 of 41
Check that your heatsink is seated correctly. Reapply some pea sized TIM

Reset the CMOS. And double check the memory speed is running at 1333MHz CL8 or 9
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post #3 of 41
Set your RAM voltage manually --> check RAM sticker. On AUTO may be undervolted. If still unstable , raise it a little bit.
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post #4 of 41
Thread Starter 
I set RAM up manually in BIOS (8-8-8-24, 1.65v, 1600Mhz), I'm pretty sure its okay. Besides it passed Memtest...

I'll try upping the vcore.
     
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post #5 of 41
I had this same exact problem. I started testing one stick of ram at a time and found out i had a bad stick. Memtest86 did not detect it. After i sent it off for RMA and got the new ram back, prime95 did not crash anymore. Check your ram settings and voltage settings, manually set them all, do not trust auto. Check each stick and see if you can pass it with one stick out. It could also be your psu being you just swapped it out. My advice is to put everything back to where it was before you started having problems and do the process of elimination if your ram checks out ok. 68c isnt hot enough to ruin a cpu.
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post #6 of 41
Thread Starter 
edit: Failed after 2 hours of p95 blend at 1.4v vCore at stock frequency


Quote:
Originally Posted by GMcDougal View Post
I had this same exact problem. I started testing one stick of ram at a time and found out i had a bad stick. Memtest86 did not detect it. After i sent it off for RMA and got the new ram back, prime95 did not crash anymore. Check your ram settings and voltage settings, manually set them all, do not trust auto. Check each stick and see if you can pass it with one stick out. It could also be your psu being you just swapped it out. My advice is to put everything back to where it was before you started having problems and do the process of elimination if your ram checks out ok. 68c isnt hot enough to ruin a cpu.
Okay, will be trying this next. Unfortunately I won't have access to other parts to test for over a month
Edited by AgentHydra - 3/8/11 at 12:08pm
     
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post #7 of 41
Quote:
Originally Posted by Atomfix View Post
And double check the memory speed is running at 1333MHz CL8 or 9
Why? The RAM is rated 1600 CL8 and should be able to do so. No need to uselessly delegate yourself to unoptimized generic settings.
post #8 of 41
Thread Starter 
Okay, so I managed to get my Athlon II 250 and tried it out and it still failed p95 blend.

So on the bright side my 955 is probably not causing the problem.

But I still can't figure out whats wrong. The RAM still keeps passing Memtest at its rated settings (8-8-8-24, 1.65v, 1600Mhz, tried at both 1T and 2T).

So is it the RAM, or could it be the motherboard?
     
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post #9 of 41
I kinda had the same problem, once I swapped my mobo it fixed it but this might not be the same for you. Also swapped my video card but that has nothing to do with prime blend. Maybe some faulty DIMM slots??

EDIT: Also when you fail blend what happens? BSOD??
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post #10 of 41
Try upping CPU-NB volts a little
    
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