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Asus P4P800-E Deluxe overclocking

post #1 of 7
Thread Starter 
Does anyone know if you can manually overclock with this board? You can choose 5 10 20 or 30 percent oc but I wanted to do it manually. 20% runs rock solid (2.26@2.72), but when I tried 30% it didn't want to get to windows. Showed me a message saying that a windows file was missing and to reinstall it.

Is there anyway to manually select the frequency at around 25% in the BIOS? The multiplier is locked at 17 and the only option I can choose is Vid cmos ( ) which is set at 62. I have the latest bios version, I had to update it manually because asus update is messed up for me, it keeps disconnecting. My old MSI let me do this, and I thought asus was good about overclocking.
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post #2 of 7
Yes, you can definitely manually overclock that board; it has the full range of BIOS options to tweak just about any setting you could imagine. Just ignore the percentage overclocking options, and set everything on manual. That will allow you to change CPU frequency (the multiplier is locked on most Intel CPUs), RAM frequency, AGP/PCI frequency (lock at 66.6/33.3), RAM timings, voltages, etc.
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post #3 of 7
Thread Starter 
Hmm If I go over 2.7 it will say "corrupted or missing windows file". Is that a typical sign of a 2 high oc?
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post #4 of 7
That message is fairly typical of an unstable overclock. It's entirely possible that you could reach 2.7+ GHz with the right settings, but you may have found the max. for your hardware. Have you locked your AGP/PCI frequencies as described above? You will likely need to tweak your voltages and possibly your RAM timings to get the system stable.
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post #5 of 7
Thread Starter 
Well it seems pretty stable at the 20% setting which is 2.72. I though I could push it a little further. I locked the agp/pci at 66.6 33.3 but I didn't mess around with the other settings because I didn't know what numbers were safe, it gave me the message when i tried going more then 2.72. What should I set the voltage at without risking damage to the cpu?

Is this a good overclock for a 2.26ghz northwood on air?
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post #6 of 7
For a Northwood, the key things are to keep the CPU load temperature at or below 55°C and the vcore at or below 1.7 volts. You can push the vcore a hair beyond that if your temp is safely below the max. I would say that 20% is a pretty respectible OC, but I'd bet that you can squeeze a bit more out of your system.
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post #7 of 7
Thread Starter 
Thanks for the tip. At 1.7 volts it booted at 2.81ghz. The cpus not smoking, everything seems good. Asus probe is showing cpu at 36C.

I'll see if I can push this thing to 3.0ghz, that would be impressive.

Got it to around 2.9ghz but it was getting pretty hot almost at 50C. That was fun though, kinda like trying to see how far you can go without stopping for gas.
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4000+ X2 Brisbane @ 2.9ghz Biostart Tforce 550se msi 9600gt oc 4g g-skill ddr2 800 
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750gb (1x250, 1x500) xp & vista 28" 1920x1200 Antec 650w Neopower 
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Xion 
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My System
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CPUMotherboardGraphicsRAM
4000+ X2 Brisbane @ 2.9ghz Biostart Tforce 550se msi 9600gt oc 4g g-skill ddr2 800 
Hard DriveOSMonitorPower
750gb (1x250, 1x500) xp & vista 28" 1920x1200 Antec 650w Neopower 
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