New to clocking these core 2 thingies

9designs2

9designs2

9designs2

Soldato
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5 Jan 2003
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Well moved up (???) from a P4 3.4 on a P4C800E to a Q6600 Energy Efficient Core 2 Quad !!!! on a PK5se with 2gig of GeIL PC2-6400C4 800Mhz Ultra low lat ram..

So what's the tips unique to clocking these new processors. I have "speed step" enable, guess I should turn this off for O/C ing ?

Cooling it with a Ninja Plus Reb B... with the 120mm fan attached, and Core temp is telling me I have temps 48-42 !!!.... Mobo is 30 as per Asus probe... and all I'm doing is typing this !!! ...... Heck My P4 with a big Zalman was cooler !!! .............
Wondering if I need to lap the cooler, and CPU ! :eek:

The Core 2, is the multiplier locked.... So just play with FSB ? ... But keep memory fixed, as I guess the memory should be my bottle neck..(yes I bought it because it was cheap...LOL)

So far in normal windows the PC does "feel" any quicker than the P4 !!.....


Anything special I should set-up in the bios peculiar to this combination.

Cheers
 
The guides to overclocking in the stickies are excellent.
The multipliers are locked so you need to raise the FSB to overclock. Those temps look a bit high for idle at stock. Is the HSF correctly seated? With that RAM you should be able to get to 400FSB on a 1:1 ratio. Disable all of the Speedstep and associated settings in the BIOS.
 
set ram to to 1:1, and just raise the FSB gradually at a time untill you find a speed that you feel comfortable with thats fast yet stable, well thats what i did the first time i oc'ed to get my e6400, now im comfortable with wacking it up to 400fsb lol.
 
Thanks for the info, yes read the sticky etc, and some other post using similar specs..... What voltage is good for these "Energy Efficient" low wattage CPU's ? I see 1.45 general quoted, is that good for mine? ..if it needs it.

Think I'll re-mount the cooler....... I used some Original Arctic Silver I had left from previous builds.
 
Basically you want to keep the voltage of the CPU as low as you can with the system being stable.

So don't put the voltage up until the system becomes unstable. Basically th elower the voltage, the lower the core temp and the happier the chip will be, but you have to put it up when you reach a spead that the system just doesn't have enough juice to run at.

With a Q6600 I managed to get the system up to 3.6Ghz before I had to go up to 1.40V. But then it got a bit to hot for my liking so I took it back down again (although playing Crysis for over a hour at 1900x1200 with everything on max using only an 8800GT card was an amazing site to see!).:)
 
Find out what the memory can do first. Use Memtest86+ and use the memory ratio's to test the memory and find out what its limits are at 12-4-4-4.

My Geil memory is the same as yours and mine runs to 920DDR at 12-4-4-4 but requires the 2.1v Geil recommends to do it. I am running mine at DDR900 to be safe.
 
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