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Q6600 overclocking

PC6400 should take a Q6600 to 3.6GHz without any memory overclocking.

If this is the case then im guessing its my XFX 650i motherboard to blame. Its on 1.392 volts now at 2.9ghz (9 x 322) Max temps in prime are 63c. If i start going much higher than 2.9 then its become instable when restarting, crashes on desktop or resets to 2.4ghz
 
Remember chips potential vary as well. I've heard some talk that the last batches of Q6600 were definetly not as good as earlier ones, so maybe you have one of those. Also like i said i remember talk of the 650i not being that quad friendly, i never used Nforce chipsets so can't really comment.
 
NForce chipsets = FAIL for overclocking, I'd be happy at 3GHz on that board, you really need a X38/X48/P35/P45 Intel chipset to get the most out of your chip.

I ran my Q6600 at 3.6GHz 24/7 at 1.32v on my Asus P5E X38 board, hell I even managed 3.9GHz with a little over 1.4v.

quad1.jpg


The above was with 4 sticks of 800MHz OCZ Reaper which obviously didn't need overclocking so long as you use a 1:1 ratio with the X9 multi.
 
Thats what i was thinking, im selling my 939 stuff soon and will look into getting maybe a Gigabyte P45 then selling my E2140 and XFX board.

How does the OCZ 6400 Plat series DDR2 800 clock? Would it be able to handle 400 x 9?

Currently running 3ghz (9 x 333) 1.368V.

Prime95 has been running for 30 minutes on small fft. Temps are 57 - 62 in Coretemp
 
I have a MSI P6N SLI V2 board which also got a nforce 650i chipset, and the CPU I got is also Q6600 G0 stepping. I have to agree that the damn nforce chipset is no good for overclocking the Intel CPU comparing to boards with Intel chipset...I only managed to get my Q6600 to 3.2Ghz without blue screen or crashes...

I looked around on various forums, and don't really recall seeing anyone with a 650i board managed to overclocked a Q6600 to higher than 3.2Ghz stable...
 
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2 hours of prime at 3ghz gets highest of 63c. Cant get it to 3.1 presumably because of gash motherboard. will sell old stuff and current board then get p45 or something
 
Now got a Gigabyte P45 DS3P installed. Theres loads of options. Im at 333x9 at the moment. Is the OCZ memory corect, showing 400mhz, 5:6, 5-5-5-15 2T

cpuz also shows 1.296v but prime95 takes temps up to 60c when at 3ghz. It doesnt like much higher but i thikn its something to do with the memory multiplier (SPD)

Theres something called MCH strapping than can be set to 266mhz, 333, 200, 400

edit - and about 1001 other options and advanced options

cpuz is now showing 1.328v. strange, im sure i turned off all the auto adjust options
 
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Welcome to vdroop!

It's all normal.

It's not worth changing most of the settings there, focus on RAM timings, drive control and vcore + dram voltage as the primary settings to adjust.

Also graphics/ram booster options set to FAST or STANDARD if ULTRA seems too unstable else leave them on ULTRA.
 
Ive left stuff like bosters on standard, ram is rated at 2.1V but goes pink for some reason in BIOS. Rated at 4-4-4-15 but i have it on 5-5-5-15

What is drive control?

theres about 20 different settings for Vcore now too (other than the vcore main adjust)
 
Vcore will be what you set in the BIOS "usually" the idle value but there may still be some droop as I found on my board under overclocked conditions.

On my Gigabyte EP45-UD3P for example my Q9550 is 1.33v in the BIOS but idle in Windows is reported 1.248 - this is at 3.7GHz - As long as the CPU is stable then you're quite alright. Mine has not crashed once yet and I've been gaming, HD encoding, DVD encoding, music transcoding and leaving the PC on 24/7!
 
Ive left stuff like bosters on standard, ram is rated at 2.1V but goes pink for some reason in BIOS. Rated at 4-4-4-15 but i have it on 5-5-5-15

What is drive control?

theres about 20 different settings for Vcore now too (other than the vcore main adjust)
If you're just aiming for a ~3Ghz overclock then you can leave all those voltages on auto/default. You would only want to start tweaking them if you hit a wall after bumping up VCore to say 1.5v and getting to 3.4 Ghz i.e. and adding more Vcore did not give you more Mhz
 
I've got a 1.325 vid G0, day to day use i run at 3.2 8x400 @ 1.350v, I'd give it a bash at those settings if i was you, just make sure you give it enough volts to sustain 1.350v under load. I used to have to pump 1.4v through it on my IP35 Pro because the droop was a little silly before I modded it.
 
HI all, sorry for the absolute noobish questions here.

I've got a G0 Q6600 along with 4gb of Corsair DDR2-400 running on a Gigabyte EP43-S3L under stock cooling.

Will i be able to overclock this at all? Not after anything massive, just something to play around with?

quad1.JPG


Cheers
 
Don't see why not. Turn off speedstep/eist/c1e in BIOS and up the FSB to 333 and leave multiplayer to x9 (default) and 3GHz should be easy.
 
Im on 333 x 9 again. Anyone have any clues on how to get it to 3.2ghz + Its on a Scythe and reaches 61c on full prime95 load at the moment

Could it be the OCZ limiting me or the cpu?
 
I found this on the net -

Available Northbridge/MCH Straps & Associated Memory Multipliers

200=800FSB
2.66
3.33
4.00
C

266=1066FSB
2.50
3.00
4.00
A

333=1333FSB
2.00
2.40
3.20
4.00
B

400=1600FSB
2.00
2.66
3.33
A

I dont understand this -- Memory Freq = FSB X Memory Multi

I can select upto a 9x multiplier. Would strapping would i need to get my 800mhz memory locked at 800, with my processor at 3.2ghz. Or just got for 400 x 8 with a strapping that shows nearest to 800mhz?
----
And MCH Core Voltage???...:confused:

MCH Core voltage is your Northbridge Voltage (Memory Controller) and the amount needed to be set depends on a few things. It depends on the FSB you are running, the Strap you are using, the actual Memory Multiplier you are using (Ram Speed) and the amount of physical Ram installed.

P45 MCH is a bit tricky as well, sometimes when you think you need more less would be better and visa versa. All of course depending on the other mentioned items above.

Here is some more of my findings about Voltages, just incase you planned ton tinkering with them all >>>>


Quote:
CPU Termination (Vtt) Automatically changes the following if manually set >>>

CPU Reference Voltage (.63% of Default Vtt/1.20)
CPU Reference2 Voltage (.67% of Default Vtt/1.20)
MCH Reference Voltage (.63% of Default Vtt/1.20)

DRAM Voltage Automatically changes the following if manually set >>>

MCH/DRAM Reference Voltage (.50% of Default Dram Voltage)
DRAM Termination Voltage (.50% of Default Dram Voltage)
Channel A Reference Voltage (.50% of Default Dram Voltage)
Channel B Reference Voltage (.50% of Default Dram Voltage)

If you want a higher or lower than stock % / Value for any of the above settings you will find it easier to set the Dram Voltage or Vtt back to stock (Or above or below to find and be able to choose alternate % Values), then adjust desired setting to the % / Value you wish to use.

Then once you have selected a % range you want to use for said setting then go back and raise your Vtt or Dram Voltage back to what you choose to use and the corresponding settings will self adjust
 
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