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 OC On Asus P5RD1-VM, Limited Vcore

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TSJaffar
post May 1 2006, 09:07 AM, updated 20y ago

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Hi all,

This is the very first time I done OC.. It was quiet successful.. Stock is on Pentium D 2.66Ghz, after OC 3.5Ghz.

user posted image

Tried 3.58Ghz, not stable. Very sad.

Well currently the main thing is, I can't change the vcore on the mainboard. As refers to the photo, vcore max is only 1.3v.

I saw antonio_zth's OC, same procs, diff mobo, 4Ghz Overclock....If my vcore can hit 1.5v.. Anyone can guide me?

This post has been edited by Jaffar: May 1 2006, 09:08 AM
TSJaffar
post May 1 2006, 09:27 AM

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Thanks alot.. Prime95, procs here's your challenge.
TSJaffar
post May 1 2006, 11:18 AM

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Hmm, your are not using Prime95 there right?
Just now I put it on test, but didn't use 2 test at once. Will this cause error?
As It return FATAL ERROR in the torture test. But bechmark is fine and quiet up to standard.
TSJaffar
post May 1 2006, 12:31 PM

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QUOTE(newbieockids @ May 1 2006, 12:24 PM)
that is SP2004..
http://sp2004.fre3.com/download.htm
SP2004 is just an interface for Prime95... smile.gif
extract the file into ur prime95 installation directory..

If u run one prime test only actually u just stress one core..
If u got any error dat mean its unstable although u can pass through some 3d benchie app..
correct me if im wrong guyz..
*
Hmm, no problem I'll try again later tonight, now I'm not at home. If it returns any error messagfe, I'll post up the print screen, let everyone see what problem it is.
TSJaffar
post May 1 2006, 06:44 PM

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Bad news...

Check this out.. CPU 1 having fatal error, CPU 0 is working fine.

user posted image

Seriously need help!

This post has been edited by Jaffar: May 1 2006, 06:45 PM
TSJaffar
post May 1 2006, 06:50 PM

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Updated news, CPU 0 currently have rounding problem too!!

What to do now?
TSJaffar
post May 1 2006, 07:49 PM

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At last, spend some time OC and calculate it.

3.50Ghz - Fatal Error
3.48Ghz - Fatal Error
3.46Ghz - Fatal Error
3.40Ghz - Fatal Error
3.36Ghz - Prefect!!!

user posted image

Thank you newbieockids, I can really feel the stablity now.

TSJaffar
post May 2 2006, 08:35 AM

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QUOTE(newbieockids @ May 2 2006, 03:04 AM)
well i think there is 2 factor that affecting ur result...
1) Ur motherboard just use 4pin 12V atx.. Dual core procs will drain ur 12V rails alot.. U need 8pin 12V atx enable to run dual core for full stability.. Furthermore u dun have any VCore adjustment option.. sad.gif
2) Heat.. What is the temp for ur procs during load?... Did u use stock heatsink?..
*
How to determint 4pin and 8pin 12v atx, is it true power type? I have alot to learn. I have not much choice on Vcore settings, well if the overclock still leads to unstablity, I'll give up speed.

My temp during load is just around 40..42.. I don't think that's high.. I'm using stock fan.. Even now, I'm just browsing net, it is just 33 (opps the pic show 32). Hehe..

user posted image

This post has been edited by Jaffar: May 2 2006, 08:41 AM
TSJaffar
post May 2 2006, 02:03 PM

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Yea, mine is just 4 pin 12v atx...
But my ATX and mainboard just come with 4 pin.. You mean if to make it stable, 8pin on PSU and 8pin on board.. God I didn't know that....

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