Prime95

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E

Elfunko

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A good stress tester right? But what if you fail the test? Say you get an error prolly 11 minutes in, then what? Should I reduce my FSB (reduce my CPU MHz) to where I can run the program without errors?
 
T

TheMASK

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Double Post!

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red><P ID="edit"><FONT SIZE=-1><EM>Edited by TheMask on 12/04/03 08:01 PM.</EM></FONT></P>
 
T

TheMASK

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Yep, when the RAM clock/Timing or the CPU clock is too high, then Prime95 shows some errors. Try reducine the CPU clock and run the program. if it still shows the errors, then it is the memory timing or the memory clock. Fiddle around with the different settings until u get a stable overclock.

I forgot to mention, it may also show errors when the CPU Vcore is not enough for that particular clock speed. For ex, 1.6V may not be sufficient for a 2100MHz for a Barton, though the CPU may be capable of 2300+MHz at 1.8V or so.

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
E

Elfunko

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I upped the voltage to by .25 and now I don't get those errors (at least as fast). Plan on letting it run the test all night later, hopefully it runs solid. :)
 
T

TheMASK

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Good Luck! Let us know how it turns out.

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
E

Elfunko

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7 Hours, 3 Minutes, no errors. :)
High 63*C, I found it hovering at 60*C (63*C was from when I was gaming earlier in the night).
Now its dropped to 46*C.

It seems that small increse in CPU voltage helped a lot. Is there any reason for me to go for the 24 hour test? If it doesn't happen in 7 hours will it happen after?
 
T

TheMASK

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Well, 7 hours is more than sufficient to test the stability of the overclock. Personally, I have never run Prime95 for more than an hour!

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
V

Vapor

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You ehhhh, might want to lower the voltage. A .25 increase isn't small at all. Good that you have it stable now, though, just throttle back over the next couple of days on the voltage, but still keeping it stable, of course.

Damn Rambus.
 
V

Vapor

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Hah!! I have you beat: never more than a two minutes (and never out of the first test), AT STOCK SPEEDS!!!!! Gotta love RAM errors. Oh well, my computer is still stable, though not at all above stock speeds.

Damn Rambus.
 
T

TheMASK

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Oh.. do run a Memtest then! Download Memtesy86 from <A HREF="http://www.memtest86.com" target="_new">http://www.memtest86.com</A>

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
V

Vapor

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I did awhile back, you don't want to know the results...but I'll tell you anyway :smile: : well over 10000 errors on the first pass. Hehehehe! Oh well, computer runs very well except on Prime95 and memtest (and probably SETI).

Damn Rambus.
 
T

TheMASK

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LOL... time for an upgrade then...

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
V

Vapor

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Can't, this kinda has to last me a while (Q2 '05)...oh well, it runs well (quite well, in fact) except when I try to do some number crunching for somebody else. I was thinking about increasing VDIMM, but then I checked and I can't with an Iwill P4R533-N.

Damn Rambus.
 
E

Elfunko

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I ran memtest when I was running around 4.5 ghz. It was solid. I'll try it again later with this setting though.

If I lower the voltage to what it was I will get errors in Prime95. The only solution I think would be to lower the FSB then lower the voltage, then it might not get errors. Don't know if I want to do that, but if its necessary (stock is 5.5v I think, I'm running at 6.0v), I'll bring it down to 5.75 or 5.5. :( Maybe it won't make a noticable difference lowering the FSB though, I just am biased to bigger numbers. ;) :D
 
T

TheMASK

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Don't know if I want to do that, but if its necessary (stock is 5.5v I think, I'm running at 6.0v), I'll bring it down to 5.75 or 5.5. :( Maybe it won't make a noticable difference lowering the FSB though, I just am biased to bigger numbers
Click to expand...

What are u talking about :eek:

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
E

Elfunko

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Feb 19, 2003
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Haha! Hey now, I was guessing and its obviouse I'm new to the overclocking, but your guys' panties twisted and ripped! What I meant to say was stock is 1.55v and I upped it to 1.60v. Whats odd is mbm5 reports (with hyperthreading) "both" processors running about 1.66v. Thats much higher than what I have aimed for. Is there a chance mbm5 is wrong, or is my motherboard a rebel without a cause?

Also, since I upped my voltage only .05v (in theory) you still think I need to back it down?
 
T

TheMASK

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WEll, most of the motherboards overvolt the Vcore. My Asus A7N8X Dlx overvolts by about 0.5-0.6V. So u dont really have to worry. By the way, I think 1.7V is the max u can set for Intel P4s. Try setting the Vcore to 1.575V in BIOS. then the MBM shud read about 1.625V, which is healthy, provided your CPU stays cool enough.

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
T

TheMASK

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Apr 23, 2003
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63C is little on the higher side.. what kind of cooling do u use on the CPU? stock HSF? and what about Case cooling? It helps if u have a couple of fans inside ur case.

One Front INTAKE and one rear EXHAUST are a bare minimum.

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
E

Elfunko

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Feb 19, 2003
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Ya, stock HSF. Case has tons of fans, but is crammed in a corner with walls on each side so the heat doesn't really disperse, it sorta builds up back there. For X-Mas I was thinking of ordering an aftermarket HSF, any ones to avoid or ones to steer to?
 
T

TheMASK

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I don't have much idea about the Case... Look for good ones urself, and if u come across any gr8 looking ones, let me know too :smile:

<font color=red>
Barton 2500+ @ 10x222 = 2225MHz
A7N8X Dlx Rev 2.0
Kingston Hyper-X 2x256MB DDR500 @CL2.5-4-3-7
IBM 80GB + Seagate SATA 2x120GB
MX440 64MB/4X GPU/Memory : 388/513MHz
</font color=red>
 
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