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Q6600 overclock help required.

post #1 of 11
Thread Starter 
wassup ocn, need some help here

my cpu: q6600 // batch L746A // 1.325 vid
my mobo: gigabyte ep43-ud3l i know this is a very weak board but i was just wanna confirm from the pros if i am at my absolute limits


my current stable BIOS settings for 3.4ghz(380x9):(the important areas)

memory performance - standard
mch frequency latch - 400mhz
system memory multi - 2.00D
memory frequency - 760
timings 5/5/5/18

vcore - 1.525v
cpu termination - 1.400v
cpu reference - .931v

mch core - 1.3v
ich i/o - 1.750v

dram - 1.9v

CIA2 - disabled
C1E - disabled
CPU thermal - enabled
EIST - disabled
virtualization - disabled

^
idle vcore - 1.48v ... all cores idle around 30-36c
load vcore - 1.40v (under p95 small FFT) ... all cores load around 55-60c



i wanna get this guy to the next tier of 3.5, is there something i am doing wrong that is preventing me from going higher? or am i at my absolute limits?
i want to hear it straight from you guys so that i wont keep bugging myself thinking im doing something wrong.
post #2 of 11
Quote:
Originally Posted by DF is BUSY View Post

mch frequency latch - 400mhz

I would have this on-333mhz as you are not @ fsb:400+ (check your memory afterwards as this may change it's speed)

Temps look good, shame about the high-ish VID although it's not to bad.

with those temps you could tickle a little extra voltage ( if you feel happy to do so 1.48v idle so a little room) not sure a little extra would give you much though.

Not to familiar with that exact board so i would also wait for others to chip in.
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MrCoffee
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post #3 of 11
Thread Starter 
Quote:
Originally Posted by aramil View Post

I would have this on-333mhz as you are not @ fsb:400+ (check your memory afterwards as this may change it's speed)
Temps look good, shame about the high-ish VID although it's not to bad.
with those temps you could tickle a little extra voltage ( if you feel happy to do so 1.48v idle so a little room) not sure a little extra would give you much though.
Not to familiar with that exact board so i would also wait for others to chip in.

ah thats a good point about the memory 333mhz


though when i try to pump to get a stable 3.5, it fails after a minute or two in SMALL FFT -> which means thats its mainly a cpu problem correct?
post #4 of 11
Thread Starter 
P.S ....

IIRC, i bumped the vcore before to 1.55
which resulted in about 1.502 idle and 1.456 p95 load -->
fails within a few minutes in SMALL FFT as well.
post #5 of 11
I just got my Quad stable at these following settings

G0 1.2750 VID

400 x 9

3.6GHZ @ 1.412

CPU PPL at Default 1.5V

Reference Voltage x 0.63

FSB term Voltage 1.24

NB Voltage 1.22

SB Voltage stock of 1.20


over 3.6 it requires about 2 notches of increase Vcore every 5 Mhz increase on the FSB

I prime test my CPU on small FFTs first to ensure CPU is stable before doing a blend test.
Edited by Danker16 - 11/19/11 at 5:17pm
post #6 of 11
You may very well be at your limit. Small fft's failing does indicate a CPU instability, so your either in need of more Vcore, or your reference voltages are off.

I know that with the Core 2 Quads, reference voltages are key above a 1ghz overclock, that very well could be your problem.
post #7 of 11
Have a look HERE heavy reading but it may help (GTL)
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post #8 of 11
Thread Starter 
Quote:
Originally Posted by Mattb2e View Post

You may very well be at your limit. Small fft's failing does indicate a CPU instability, so your either in need of more Vcore, or your reference voltages are off.
I know that with the Core 2 Quads, reference voltages are key above a 1ghz overclock, that very well could be your problem.



i let the reference play off of the termination, i.e if i raise my termination from 1.3 to 1.4, CPU REFERENCE will automatically raise itself as well.

bad idea? should i manually raise the termination/reference higher?


i read somewhere the reference should be 0.67*CPU termination, and that is how i currently am.
post #9 of 11
Check my q6600 Oc in my sig... see if that helps you any... I got mine to 3.6 on air... GL:thumb:
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Blue SB Dragon
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post #10 of 11
Thread Starter 
^ appreciate the help but it seems that your q6600 has a better vid than mine, and your board probably has better overclock options than mine as well


looking for some advice from gigabyte board owners, ep43-ud3l i know you guys are out there!
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