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got a new cpu need help overclocking

fafa21

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so i just bought a q9650 to replace my old cpu but im having trouble overclocking it with my mobo which is an asus pr5 x38. my main problem is that for some reason the vcor voltage i set does not work. for example i set it to run at 1.3 but when i boot up cpuz it shows my vocre alternating between 1.25-and 1.27. i don't understand why it's doing that and not using the value i set in the bios. i also just updated to the latest bios which didn't help.
 

trickson

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Last edited:

fafa21

New Member
Joined
Mar 17, 2007
Messages
376 (0.06/day)
Location
U.S.A. maine portland
Processor Intel core 2quad q9650 @3.6 ghz
Motherboard asus x38 p5e
Cooling 7 fans
Memory 6gb 1X1 gb ozc and 2X2 gb gskills 1066mhz
Video Card(s) powercolor hd 6870 1gb 256-bit GDDR5
Storage 1t seagate barracuda and one 300 gb velociraptor and 250 GB wd caviar for backups
Display(s) ultrasharp dell 22 inchs
Case antec 900
Audio Device(s) x-plosion 7.1 cinema.
Power Supply extreme rosewill 750 watts
Software triple boot windows xp pro 32bit and vista home premium 64bit and windows 7 premuim
Benchmark Scores 4330 in 3dmark 11
ok well i got it to work it must have something to do whit my motherboard i have to set the voltage to 1.39 to get it to show between 1.34-and1.36. which is weird.
 
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The reason for the difference in voltage set in bios and voltage shown by cpuz is called vdrop, otherwaise known as voltage drop. It's caused by the resistance of the metal your board is made of IIRC. The EVGA 750ftw board I had had a .5 vdrop.

Here's a more indepth explaination of what vdrop is- http://en.wikipedia.org/wiki/Voltage_drop
 
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