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Help me gain stability!

M

Matt2

Diamond Member
Running system in the signature with retail cooling! Not smart, I know, but I've had good results so far.

Currently I am running 2.4GHZ (267x9) with memory @ 218mhz, 1.45v rock solid.

The system will boot windows at 2.7GHZ 1.55v, but P95 will crash. At 2.7GHZ 1.6v, I can play Battlefield 2 for as long as I want, 3DMark is stable, but P95 acts funny. It just stays on the first test for hours. It doesn't fail, but it doesnt seem to be doing anything even though my CPU usage is 100%.

Temps are ok, they hover around 50*C.

At 2.5GHZ 1.55v I ran P95 for 10 hours last night and it was rock solid. But this morning when I tried to reboot it gave me the BSOD and the second time actually loaded windows, but there were application errors. Is it possible for a system to be stable for 10 hours of P95 and then not be stable seconds after you stop the test and reboot??

Thanks!
 
What have the temps looked like??

It is possible if you potentially damaged something....The above sounds like some memory issues...memory issues wont necessarily crash the games but prime will act funny with them...

Also go ahead and get a new download verson of prime and run small FFT test and use memtest (dos bootup to test the memory)....
 
Agreed, if your temps are only in the 50's odds are your Ram is not able to remain stable at those clock speeds. Have you tried raising the DIMM voltages a tad? That may help, of course if you have cheap RAM it could fry as well. All part of the risks of overclocking though in any case.
 
Ok, right now I am running 2.5GHZ (278x9) 1.5v. RAM is running 227.5mhz @ 3.0v without a prob.

Battlefield2 runs without a flaw, I've only tested P95 through the first 1024K test, but it passed. 3DMark05 runs smoothly without a hiccup.

@2.5GHZ I quickly quit out of BF2 and restarted to see the CPU temp, after an hour the CPU temp was 46*C according to the BIOS.

I'll be very happy with 2.5GHZ if it proves to be stable. But 2.7 is not far out of reach, I'll try for 2.7 later tonight. Any other suggestions??
 
First off it sounds like your idea of stress testing is flawed....

I would start back at 2.4ghz or wherever you can get with default vcore....then run prime95 small FFT for a minimum of 4 hours and memtest for about 5-10 passes complete...the shortness of your P95 test is absolutely useless...

in memtest the errors a person would see in 1 pass are signs of a flaky system...errors between 1-10 passes are not common but could rear their ugly head at anytime....10-20 passes are extreme errors and quite rare...any error should be taken as serious...but after 20 it is just plain silly...that is quite stable...

Edit:

after 2.4ghz then start moving up from there.....From what you have told us it could be many things so go ahead and list all specs...power voltages as being reported...all temps as being reported idle and load....
 
Originally posted by: Duvie
First off it sounds like your idea of stress testing is flawed....

I would start back at 2.4ghz or wherever you can get with default vcore....then run prime95 small FFT for a minimum of 4 hours and memtest for about 5-10 passes complete...the shortness of your P95 test is absolutely useless...

in memtest the errors a person would see in 1 pass are signs of a flaky system...errors between 1-10 passes are not common but could rear their ugly head at anytime....10-20 passes are extreme errors and quite rare...any error should be taken as serious...but after 20 it is just plain silly...that is quite stable...
Click to expand...

I know you need length to test stability, I was just using the short P95 as an example compared to it not running at all.

I ahve class tonight and I'm gonna run it while I am there.
 
good deal....We have to get an idea where the instability starts and then try to find for the causes there...whether it be vcore, heat, power, etc....
 
I just got home from class.

P95 small FTT torture test still running. I halted the test and it ran stable with 0 errors, 0 warnings for 4 hours 56 minutes.

2.5GHZ (278x9) 1.45v
RAM @ 208mhz

The only temp reading I got was from Sisoft Sandra, couldnt reboot to look in time and it was 48*C right after the test. I dont know how much faith to put into that number.

EDIT: vcore was 1.45 not 1.5 like I thought. FYI @ 2.5GHZ idle CPU temp is 38-40*C according to the BIOS
 
ok,

2.5GHZ (278x9) 1.45v P95 ran toruture test (blend) for 13 hours 54 minutes stable with no errors.

Safe to assume this processor is stable at 2.5GHZ 1.45v?

The RAM was running at 208mhz so I'm gonna up the RAM and run memtest.
 
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