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OC Q6600

jonnyLOCO

jonnyLOCO

jonnyLOCO

Associate
Joined
25 Feb 2011
Posts
6
right ive never clocked a cpu before and want to make sure i get this right.

the reason i want to clock the cpu is because i play black ops and i feel that im getting crap fps and want to queeze my rig as much as poss before spending my cash.


i have a PK5 mobo and a 9800GTX+ gfx card.

what do i need to know beofre clocking and any advice/ tips on the best way to do it ?


cheers guys
 
I think your gfx card is the main limiting factor but if you read through this enitire thread - link - although it's not exactly the same motherboard it is an IP35 chipset clocking a q6600. It's one of the most comprehensive step by step guides i've read and most of the information should be relevent and should help guide you to getting a respectable clock on your Q6600.

You may also want to read though 'The Official Q6600 Overclocking Thread' - link
 
hi mate and welcome to the forum

this is a very basic explanation of overclocking

its basic maths. your Q6600 is rated at 1066mhz. you always divide this number by 4 so 1066/4= 266, this is your fsb. (or cpu frequency)
then your processor (cpu) has a multiplier of 9 (or cpu ratio)
so 266 x 9 = 2394mhz or 2.4GHz, your stock speed

unlink your ram, so it stays at stock speeds, you can overclock the ram later.
this means leave it at 800mhz or 667mhx etc...

can you raise the fsb? yours is now 266. (266 x 9 = 2394mb or 2.4ghz ) try rising it to 280
boot into windows
download realtemp and coretemp (google them)
install and run them
then download intel burn test (ibt) and run it.
have a look in task manager and notice how much free ram is listed.

in IBT set threads to 4 (for 4 cores) and then click on custom ram and enter an amount just below the free amount.
eg. i have 2520mb free ram. so i enter 2500 into the custom ram.
run the test for 5 passes. for now,
and then at final speed you want, run for 50 passes
keep an eye on temps (do not let it go over 75.c)

or download prime95 and run the torture test/large fft's

if test runs fine, go back into bios, and change frequency (fsb) to 300 and repeat the tests.
keep doing this in 20mhz steps until windows will not boot. then just go back a step (remove 20 from the fsb) to the last stable frequency,
or
just raise the cpu voltage a couple of levels. it should now boot.
its a balancing act, higher voltages will get you higher fsb, but it will also give you higher temps.
my B3 revision Q6600 needs 1.39v in the bios to get to 3.3ghz.
if yours is a G0 revision, you should be able to get this speed at a lower voltage


the trick is to do this step by step, and not go straight to eg. 400 (400 x 9= 3.6ghz), just take your time.

also for some reason using the x 9 multi, i couldn't get past 3.0ghz
so i dropped it to a x8 multi and i got it to 3.3ghz easily.
get the cpu maxed before increasing the ram speed
 
very nice post from above, the step by step thing, depends if you have theory down and experience of chip, ie, i can jump in a clock a core 2 quad chip straight up to say, 3.2, without having to do it in increments cause i know the average performance headroom, but OP, take above posters advice, very precise :)
 
Depends how hard you push it. 3.0ghz and you should notice very little in temp increase, under stress and idle.

From what I understand with the Q6600 anything above 3.0ghz and you notice very little increase in power.

Mine is 3.0ghz. Roughly 33 idle and 55 under load with prime95. But I lowered my voltages to get the temp decrease.

All with a stock fan on CPU. But I do have one fan at front of case, big fan on side of case and a fan at the rear of my case.
 
had the exact same setup cpu and board.

you can clock the cpu to about 3.3ghz without changing anything but the fsb.

mine ran all day long at 3.4ghz on a crappy cooler for about 3 years, it would go to 3.8ghz and more but cant rememebr how much voltage i added, i remember it wasnt much, they overlcok very very easily.

especially if its the d0 stepping slacr
 
mecca said:
you can clock the cpu to about 3.3ghz without changing anything but the fsb.
Click to expand...

This is bad info, not all Q6600's can do this. Also the stepings on a Q6600 are B3 and G0, your overclocking results will depend highly on which version you have.
 
My G0 will sit happily at 3.5 at 59 Deg C MAX under full load. Needs 1.39VCORE to keep it stable but those temps are acceptable. Been running this OC for years.
 
belial8321 said:
warning to new overclocks with the core 2 quad series, they get VERY hot when you overclock them :P i mean, seriously hot!
Click to expand...

this is so right.
i have a B3 revision Q6600, and it runs hot ;)
with a stock cooler the highest i could go running Intel burn test was 2.8ghz and then my temps were in the mid 70's
i then got a Tuniq Tower and i could get to 3.2ghz and mid 70's
now i have a Noctua NH-D14 and at 3.4ghz and it doesn't get higher than 60.c

the B3 runs hotter and needs more voltage than a G0 revision.
also afaik the tjmax for a B3 is 90, and a G0 is 100

every chip is different, some G0's will overclock higher than some others, and then a lot depends on the motherboard
so what moomoo444 said is spot on

i am no expert, i have just grasped the basics and i did say it was a basic overclocking guide.
the overclocking stickies, to a complete noobie can still be confusing, so i use my post above as a template and then change the chip and heat details ;)
to an expierenced overclocker, my post would seem to be obvious and naive :), but i try to explain the process in an easy as possible way
to op, there is other things, such as vvt, nb, ram ratio etc.... to understand as well.
 
Sin_Chase said:
My G0 will sit happily at 3.5 at 59 Deg C MAX under full load. Needs 1.39VCORE to keep it stable but those temps are acceptable. Been running this OC for years.
Click to expand...

my B3 needs 1.45v to get to 3.5 :( and its still not stable, so needs even more
 
cheers for the advice lads.

went thru a step by step guide (which is bascially the same as j.col post) and increase stage by stage. the heat was knocking in at 80/90C at just 3.1 something. i changed the volts and other bits and bobs but my system just wouldn't hold a stable OC.

i had a 'geek' mate come round and he tried it but the chip just gets too hot
(even with a freezer pro 7).

thanks for the help but i think i best leave it at stock values.


cheers lads
 
try it at 2.8 and then see what temp you have.
dont forget the IBT and prime95 are extreme, day to day gaming, your temps will be about 10-20.C lower
 
Have you got the funds to try some low end W/C, an H70 should keep it cool to have those overclocks stable, also whats your ambient case and room temps, in winter i used to keep my Q600 oc'd by having window open with desk fan sucking in outside cold air, blowing it at the intake fans of my case :P woo budget A/C!
 
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