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Why is CPU-Z lying to me ?

mazza7282

mazza7282

mazza7282

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Joined
6 Feb 2003
Posts
1,382
Ok this is weird

My BIOS and CPU-Z are saying 2 different things, my CPUs multiplier is at 9 in the bios, yet CPU-Z says it is at 6 ?

Heres an example

core speed 2220.00
multiplier x 6
bus speed 370mhz
rated FSB 1480.1

Although I have also noticed it keeps jumping every so often, it will come up with the correct settings of say

core speed 30000 odd
multiplier x 9

It also says the ram ratio is 4:5 is that really poo, what have I messed up ??

Thought i was overclocked to around 3.3 ghz bit i guess not ?? although its one thing in bios, one thing in windows :s

BTW in the system rating is does say Q6600 @ 2.4ghz 3.33ghz ...
 
God, not again. I know you're just asking for help mate, but this question comes up three times a week.

It's called Intel SpeedStep/C1E, and it reduces the multiplier of the CPU when idle to save power and reduce heat output. It's been in Intel CPUs since the Pentium 3.

You can leave it on or turn it off, your choice. Older mobos used to spit instabilities when dealing with an overclocked speedstepping processor, but modern ones don't have that problem.
 
heh, yeah its not lying to you just run something stranuous than see ;) as expalin its only speedstep clocking down the cpu to save power, and to give less heat, turn it off if you want.
 
Yea, I've realised

sorry, i actually googled it and found it out in seconds what to diable in the bios

sorry, doh !!!

Dunno why i didnt think of that, coz processors/motherboards have had this function for years, an old laptop of mine did it

Thanks anyways though (bit of a waste of a thread on my behalf then)
 
Just leave speedstep on, its effect is almost unmeasureable, and even with highly overclocked cpus, its normally stable. Only if your pushing a cpu to its last "stable" mhz, then you might find speedstep causes crashes at idle, but its unusual.
 
I disabled it whilst setting/testing my overclock but then put it back on for normal running, don't see the point of having the CPU running at full tilt as soon as the PC is powered up, bit like a car which always revs at 5k :)
 
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