Computer crashing

[darknodin]

So... here is the deal... I got my computer (Newcastle 3500+) to 2.4Ghz and DDR440 using Kingston KVR. now first thing i did was run Stress Prime for 20 some minutes and all was stable... then i stopped the test, played games and all and the game (need for speed) crashed at one point (screen froze). Now i rebooted, restarted the game and it went fine. I played for an hour then started Stress Prime Again... i was gonna let it overnight but after about two hours of the test running i remembered i had something to check on the net... and i continued surfing but then the screen went all black. the temps were alright (50oC) stable. also... this had happened to me before i OCed my computer (actually happened quite often when i was playing games... i thought it was the video card so i installed the latest drivers and the problem seemed to have vanished) would this black screen be due to the CPU? the ram? by the way Stress Prime hadn't found any errors... along with Memtest when i ran it for 20 minutes with my memory at 220MHz...

thans for you answer

 

[CheesePoofs]

run prime95 and memtest for longer than 20 minutes. Run each overnight, sometimes it will take hours for an error to appear.

 

[darknodin]

ya... this is what i'm gonna do...

 

[darknodin]

well ran Prime for about 6 hours with no problem at all... i'ma run Memtest tonight.... also ran superPI 32M.... took about 32 minutes without any problem either

 

[darknodin]

what the hell? i put my computer on sleep mode... and after that it was running at 2.1Ghz... i restarted and its back to 2.4

 

[Shenkoa]

Originally posted by: CheesePoofs
run prime95 and memtest for longer than 20 minutes. Run each overnight, sometimes it will take hours for an error to appear.

Why do people do this??

Its not like you would play a game overnight, I think as long as you dont get any errors in a half hours time, then your OK for. But if your doing overnight Divx encoding then go right ahead.

Then again I would run 3D Mark 01 at the same time.

 

[darknodin]

.... did 3dmark with 4aa... got 13.2... kinda low... but no crashing or anything

 

[darknodin]

OK well... i'm gonna try getting my memory down... but how do i set the divider... i've got an a8n-sli and the only thing I can do is set the max memory speed (even if i put ddr400 CPUZ shows 220Mhz) thanks

 

[GuitarDaddy]

DDR333 = 6:5 mem divider
DDR266 = 3:2
DDR200 = 2:1
AUTO= increasing auto dividers once you pass 217 that keep memory less than 200

 

[darknodin]

thanks a lot!

 

[darknodin]

K... so I got the computer to 2.4Ghz and the ram at 173Mhz... i did some benchmarks and this is actually faster than the CPU at 2.3Ghz/ram 210Mhz.... but i had another question... the FSB is at 1100Mhz... is that safe?

 

[res0n0xg]

when your screen freezes like that it is likely a agp problem, as the bus could be pushing further than its rated 66mhz, make sure the boards agp/pci lock is working as i have encountered the same problems running at high fsbs.

 

[GuitarDaddy]

Originally posted by: darknodin
K... so I got the computer to 2.4Ghz and the ram at 173Mhz... i did some benchmarks and this is actually faster than the CPU at 2.3Ghz/ram 210Mhz.... but i had another question... the FSB is at 1100Mhz... is that safe?

Thats right on the limit, drop ldt to 3x and you can most likely go higher with HTT. Try dropping the CPU multi to 10x or 9x, shoot for something like 250-260x10 or 275-290x9. Up the vcore as long as your temps stay under 60-65c prime95 load.