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Asus P5E X38 using Intel Core2Quad Q8300 OC

post #1 of 5
Thread Starter 
Hello, I just upgraded my X38 Chipset, Asus P5E MB's CPU, from a Core 2 Duo 65nm to a Core 2 Quad Q8300 45nm. I currently have it overclocked at 2.8Ghz from 2.5Ghz, set at 1.25v Vcore, and seems stable, after testing with many different programs, both bootable memory testing disks, and BIT, (burn in test), and using Intel Processor Diagnostic Tool. My main question is, how can you tell that I am NOT using enough Vcore? No errors whatsoever, when testing, as it passed everything. What will be a sign of lack of Vcore? Thanks.

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post #2 of 5
Your PC will bluescreen or weird stuff will happen when your PC is being stressed(linx as an example). By the sound of it it'll be fine, and high five for still rocking 775!
post #3 of 5
Run Orthos....if you start getting errors increase your vcore. If you are not getting errors, decrease your vcore until you do. Then apply two increments in the bios to run at a good vcore. Cheers!
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Liquid
(18 items)
 
  
CPUMotherboardGraphicsGraphics
3930k ASUS Rampage IV Gene EVGA GTX480 @ 900MHz @ 1.1V EVGA GTX480 @ 900MHz @ 1.1V 
RAMHard DriveOptical DriveOS
4 x 4Gb Corsair Dominator 1866MHz Samsung 830 256GB LG DVD Burner Win 7 x64 
MonitorMonitorMonitorKeyboard
DELL U3011 DELL U3011 DELL U2410 Ducy Shine 2 
PowerCaseMouseAudio
Enermax Platinum 1200W Silverstone FT03 G500 Native Instruments Komplete Audio 6 
Audio
Yamaha HS80m 
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post #4 of 5
Thread Starter 
Thank you for the replies. I finally just went and lowered my Vcore to like the lowest setting the Asus P5E would go, then ran memory testing, then if passed that, went and ran Prime 95, got errors, then went back to BIOS, adjusted Vcore up 1 increment, then tested memory and ran Prime again, got less errors, and so on, until no errors at all, then did just as you just said, adjusted vcore a few higher, and ran final testing. I am at 2.8Ghz and using 1.136 vcore now, of which is much cooler CPU temps at 100% load by 3`C on average. I was at 2.9Ghz stable actually, but I had 59`C when running Prime 95 for 6 hours straight and no errors. My goal was to stay mid 50`C max at 100 load so I guess this is best I can do, unless I went to water cooling, as my Vcore cannot go any lower and maintain stability. Anyone else using a Gemini II, which uses (2) x 120 fans cooling a massive copper pipe system, all of which bolts to MB? I used Gemini II on this, and my previous Core 2 Duo OC, going from 1.86Ghz to 2.8Ghz, and was stable for over 3 years using the Asus P5E. I wish I could go back in time and buy like 2 Asus P5E3 MBs, which use DDR3 though. Side note, my Wintek DDR2 800Mhz is running at 1200 for 3 years now, stable using 6-6-6-18 and 1.94v
post #5 of 5
Thread Starter 
For an Intel Core 2 Quad Q8300, what are some suggested good 100% load temps? I see mixed info all over the internet. My highest core of the 4 cores is idle at 41`C, and maintains to around 55`C at 100% load using Prime 95 Torture test, using "blend". Is that good for 45nm CPU?
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