Problems overclocking Q6600 on GA-P35-DS3L

Out of interest have you got the batch code for this q6600? The first Q6600 I got from OC I gave to a pal a few weeks ago, I got that stable to 3Ghz easy, I got another one in my machine at the moment, wont go by 2.66 :( I am hoping that I can swap them out as my mate doesnt overclock anyway. I dont think its your board, i sapped my 680i for a 780i, made no difference :(

If you can get the batch code, it would be handy as I think its the CPU, not all Q6600 are going to be good overclockers unfortunatley.

The Q6600 I am struggling with batch num is L735A886 SLACR
 
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its an oem Q6600 so he doesnt have a box, and he cant check the top of the CPU for obvious reasons.

Isn't there a program that can tell you this information?
 
Hi all

The last part of the code (SLACR) equates to the GO stepping which you already have stated in your first post if i remember rightly. Also have you tried lowering the CPU multi from 9x to 8x and see if you can raise the FSB any higher worked for me but not with the quad only E6400.;);)
 
If anyone reading this thread is thinking of getting a Q6600 and the P35-DS3L motherboard, don't. They don't overclock well at all.
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To the OP
Be careful about drawing conclusions based on your experience.
Your statement above is likely to influence many others.
Clearly you have a problem that you haven't identified yet.

To counter your statement i will add that i use the Gigabyte P35 DS3L MB's with Q6600's in my DC farm.
Currently i have 4 of them with a couple more P35 DS3R's which i use for Video work.

The DS3L's run 400x8 3.2Ghz 24/7 with G0 Q6600's.
They are not bad clockers.
Each one has 2GB of Geil.

Reason i don't go above 3.2Ghz is the 24/7 100% CPU utilisation
They have to be reliable crunching numbers without error.

The DS3r's have the best clocking Q6600's in them and run higher 9x400.
There duty cycle is more normal though.

Setting them up is a breeze,

Set FSB to 400, multipler to 8 and up the volts to 1.4.
RAM set to 2.00 (DDR2 800)
Add 0.2 to the RAM and 0.3 to the rest.
Use a decent heatsink a freezer 7 will be fine.
Stock heatsink can't cope unless the CPU is only used 100% in short bursts.

Please be mindful that drawing conclusions based on a sample of one is not a good idea.
 
Netvyper said:
I've got the same board & chip; I'll have a go at overclocking tomorrow; and see what happens.
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Sorry - Took a while to have a look at this.
Currently Running at 333x9 (3.0ghz). Overvolted by 0.1 on Ram, Chipset, and CPU is set at 1.35v.
Posted fine, in windows; temps seem ok.


Will leave it doing orthos & 3dmark, and see what happens after food.
 
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