Prime95 torture test crashes right away but my system seems to be fine?

shurato

Platinum Member
Sep 24, 2000
2,398
0
76
I have a modest overclock on my 1.33tbird + epox 8k7a. 100mhz cpu o/c + fsb at 138. Prime95's torture test halts right away with an error. "FATAL ERROR: Rounding was 0.497467041, expected less than 0.4." However my system exhibits no weird crashes or errors and the likes. I can play 3D games for a while and get no crashes. Is my system unstable or am I still not stressing it long enough for it to crash. Longest I've played warcraft 3 was about 2+ hours till I decide I don't feel like playing anymore and not stopping because of a crash. My temps are fine... what other program can I use to stress test my system?
 

Yeti101

Member
Aug 12, 2002
149
0
0
If you get MotherBoard Monitor 5, theres a program that comes with it called "Heat up"
Theres a link to MBM5 on the sticky at the top of this section.
 

BeefcakeVA

Member
Jun 19, 2002
182
0
76
Well, there are others out there but you must realize that Prime95 is very demanding. You'll probably find that if you bump the voltage up a notch the Prime errors will go away.
 

ku

Golden Member
Mar 11, 2001
1,309
0
71
I had this problem too. I was overclocked and I thought it was my CPU speed that gave errors. Instead, it was ram. I had it running cas 2. It crashed. I ran it cas 2.5 and I got no errors.
 

shurato

Platinum Member
Sep 24, 2000
2,398
0
76
I have the same ram as you do so this is probably the problem. I never even thought about that. Thanks for all the help guys.
 

Emrys

Golden Member
Jul 5, 2002
1,055
0
76
Although this post is a couple days old, I also have the same problem, but I'm not using the same ram, and my system doesn't pass prime95 under defult settings, 2.26 and DDR400- it always seems to round to about .499999...., and Prime95 has never run more than 20min or so, but the system hasn't crashed playing any games or anything else.
Any ideas?
 

BlvdKing

Golden Member
Jun 7, 2000
1,173
0
0
Sometimes the motherboard undervolts the CPU even at default settings. Download MBM 5 and see what your vcore is at under load. You may have to bump up the vcore in the BIOS until MBM 5 reads 1.5 volts under load.