Tom's Hardware > Forum > Overclocking > CPUs > Strange Q6600 Problem
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whpz87   04-30-2009 at 06:50:56 AM

I have a Q6600 with a big Zalman heatsink on it, OC'd to 3.0GHz. Idles at just under 50 degrees and goes up around 70 degrees under 4 threads of the P95 Small FFT test.

This is all fine and well, and were the numbers I was shooting for. However, (and it seems to happen randomly), the computer will boot and both CoreTemp and CPU-Z will show that the multiplier changed from 9 to 8, and the CPU is running at 2.6GHz.

I'm relatively new to overclocking, so maybe this is a common problem.

Any ideas?

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daship   04-30-2009 at 07:14:10 AM
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Its called speedstep and it changes from 9 to 6.

Reply to daship
Maziar   04-30-2009 at 08:11:44 AM
- 0 +

Its not a problem,there is a feature in BIOS called speedstep,when enabled your CPU downclocks in idle mode so the multiplier changes from 9 to 6,disable it if u want to OC

Reply to Maziar
zipzoomflyhigh   04-30-2009 at 08:08:22 PM
- 0 +

Oh my lord, not another one.

Ever think about maybe reading your mobo or cpu manual?

Geeesus, this question gets asked here 10 times a day and the answer is right in the friggin manual.

------------------------------ P965/Q6700@3.2 8MB HD4850 OC Edition
4GB Corsair XMS 800
Vista64/Win7
Fatality 550w/Antec 300
 Reply to zipzoomflyhigh
whpz87   05-01-2009 at 09:14:25 AM
- 0 +

It's not changing it to 6, it changes it to 8.

And Speedstep has been disabled the whole time :/

It's a dice roll every time I boot to see if I'll get 8 multiplier or 9...


Message edited by whpz87 on 05-01-2009 at 09:19:35 AM
Reply to whpz87
ram1009   05-01-2009 at 08:12:31 PM
- 0 +

[quotemsg=1798888,4,370033]Oh my lord, not another one.

Ever think about maybe reading your mobo or cpu manual?

Geeesus, this question gets asked here 10 times a day and the answer is right in the friggin manual.


Someone's off their meds.

Reply to ram1009
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