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Prime95 crashing, RAM mabye? Anyone? - Page 2

post #11 of 26
No, I'm probably backwards on the AGP/PCI it can only go one way.. 33 on the pci and 66 on the agp..


Ahh, ok. According to your CPU-Z, one of the sticks of ram you are using is rated differently.

So, in order to hit that 200mhz mark on the memory you need the timings to be at 3-3-3-8. You can only run as fast as your slowest stick.

So at the moment you are running a divider of 5:4 cpu/ram. 250/200.

It looks like your memory is capable, but you have to run at the timings of that slower stick.

EDIT
Looked at your mainboard manual.. I see what you mean how you can't set the timings manually. So you may want to try swapping the ram sticks in the opposite slots on your mainboard, maybe it will take the correct timings depending on what slot the memory is in because right now, it's using the timings designated by the faster ram. This may or may not work, I'm hoping it's that easy. use slot 3 for dimm1 and slot 1 for dimm3. Have you tried installing them as single channel. This may solve your issue also at the cost of dual channel performance.

So, once you swap the sticks check CPU-z and see if the set timings are the 3-3-3-8 timings. If they are, run Prime and see what happens.
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post #12 of 26
Thread Starter 
i swaped the sticks, then also went single channel, and timings stayed the same, infact prime95 started crashing again insted of getting its own error. So i switched the sticks back to how they were and i am still crashing instead of erroring in prime 95... . i think it is time to buy some dual channel ddr no?
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post #13 of 26
Quote:
Originally Posted by Neocold
i swaped the sticks, then also went single channel, and timings stayed the same, infact prime95 started crashing again insted of getting its own error. So i switched the sticks back to how they were and i am still crashing instead of erroring in prime 95... . i think it is time to buy some dual channel ddr no?

I suppose the final test would be to just install ONE stick at a time. Check the cpu-z SPD against your set timings for that one stick, then run prime. If your errors stop, well you know the answer.

Maybe even try installing both of the sticks, one stick at a time to see if one causes problems and the other does not. More then likely, it is because they are not matched...
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post #14 of 26
Thread Starter 
there is a sale at a computer store in my area for some dual channel ram... tis pc 3200 1GB Kingston dual channel at 400Mhz (so 2 512 sticks)

only 90 bucks with a $30 rebate.... think this would solve the problem?

Note: it is value ram

or i could get a second stick of ocz which i have in another comp which has timings of 3-4-4-8
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post #15 of 26
Quote:
Originally Posted by Neocold
or i could get a second stick of ocz which i have in another comp which has timings of 3-4-4-8
Sure, try matching the pair with your other computers memory or least try the one stick at a time routine, and see if it works before you buy more memory.

But you still have the problem that the one stick you have installed is 200mhz at 3-3-3-8 and the OCZ is 3-4-4-8 @200mhz. Maybe if you up the voltage on the ram that ocz will run at the 3-3-3-8 settings. Give it a shot. 2.8 volts on the memory will not hurt the memory at all. They are probably guaranteed up to 2.9volts if not higher. I dont know what the limit is on the board for memory voltage. Mine only goes to 2.8 but its a different make/model.

So you might have the same problem, but try everything you can before you drop the dime.
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post #16 of 26
Thread Starter 
the memory seems to only run at 2.5-4-4-8 according to cpu-z, i changes sticks, uped volts, uped fsb on ram and everything, but the memory pannel in cpu-z ALWAYS reports 2.5-4-4-8 hum???

i ran all sticks solo, paired diff, etc, nothing worked....
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post #17 of 26
I know, I was reading your manual. Doesn't seem to let you choose the timings. That sucks. Have you searched the entire bios for those settings? They could be in some other part odd part of the bios settings.

Or maybe if you switch to manual SPD it may pop up? Dunno.

Sorry to double post but I found this.

http://www.overclock.net/intel-bios/...-r4-moded.html

Can you do that "Control F1" command?

I forgot about the "agp aperature" thats usually on the same page as the timings.
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post #18 of 26
Thread Starter 
Nice! That worked. However, if i set the ram timings to 3-3-3-8 the computer fails to boot...

Duno why it wont let me run it like that...
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post #19 of 26
Quote:
Originally Posted by Neocold
Nice! That worked. However, if i set the ram timings to 3-3-3-8 the computer fails to boot...

Duno why it wont let me run it like that...
How about setting it to the slowest settings then working your way back.

Slowest = 3-4-4-8
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post #20 of 26
Thread Starter 
and how would it be worked back? 3-4-4-8 to 3-4-4-7? sorry, but like i said, never have undersood the ram part of overclocking, even after reading the manuals...

EDIT: I just tried 3-4-4-8 and it wouldnt boot???

EDIT2: Ok, seems it doesnt like 3-x-x-x only 2.5-x-x-x which is weird considering cpu-z says the ram can take it. currently i have it running 2.5-4-4-10 as i understand (could be wrong) 3-4-4-10 is as loose as a P4 can get on ram... so being that i cant run 3-x-x-x 2.5-4-4-10 is as loose as i can get (looser is more stable for ocing right?)
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