Issues with my new Q6600 SLACR

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Hi All

I recently put a Q6600 SLACR into my system to replace my trusty old E6400.
It was running fine at stock for a day or so, so I decided to see what kind of O/C I could get, having heard good things about these procs. I first tried 400x8 (Which was no problem at all for my E6400 on stock volts) and it wouldn't get past POST.
So when it rebooted with BIOS defaults, I upped the VCore to 1.4v but it still wouldn't play ball, nor at 1.45v.
I really didn't wan't to go any higher than that, so I tried 375x8 (3GHz) with 1.4v and that seemed to run OK.
One thing I noticed when running, was that it droops badly. 1.4v in BIOS was giving my something like 1.344v in CPU-Z when idle and dropped to 1.328v when running Prime95.
I ended up leaving it for a couple of days running at 2.8Ghz (8x350) on stock volts and this ran OK. Last night, the system had a complete freeze while playing a game.
I had to cycle the power and was in windows when it froze again, so I set the system back to stock.
Either I have the worst clocking Q6600 SLACR in the world (It's VID is 1.3125v, so not a great start) or something else isn't playing ball, here is a detailed rundown of what I have -

Mobo - Gigabyte GA-965P-DQ6 rev 1 - BIOS F12
RAM - 4x1GB OCZ PC6400 Platinum Rev 2 running at 2.0v presently.
GFX - XFX 8800GTX Extreme running at stock speed.
CPU - Q6600 SLACR OEM with VID of 1.3125v
HSF - Arctic Cooling Freezer 7 Pro
PSU - Gigabyte ODIN Pro 550w
Temps - approx 42 idle and mid/upper 50's under Prime95

Does anyone have a theory as to why I can't even post at 400FSB with 1.45vcore.
I was thinking that maybe, with the extra burden of four cores, I might need to increase the voltages elsewhere.

Cheers for any help that you might be able to offer.

JudgeC
 
Last edited:
Rev1 DQ6, most of the Giga Rev1 965 boards are rubbish for overclocking Quads.

My DS3 Rev1 and my friends DS4 rev 1 both topped out at about 333 x 9 for 3Ghz, getting anything over that required tons of voltage for both the mobo and the cpu, and even then it'd only squeeze out 3.1-3.2Ghz if you were lucky.

So its new mobo time if you want to get higher.

If you want to give your board one last go at a higher FSB, put as many volts as you can through NB and your FSB voltage.
 
Rev1 DQ6, most of the Giga Rev1 965 boards are rubbish for overclocking Quads.

My DS3 Rev1 and my friends DS4 rev 1 both topped out at about 333 x 9 for 3Ghz, getting anything over that required tons of voltage for both the mobo and the cpu, and even then it'd only squeeze out 3.1-3.2Ghz if you were lucky.

So its new mobo time if you want to get higher.

If you want to give your board one last go at a higher FSB, put as many volts as you can through NB and your FSB voltage.


Cheers for the heads up, I will give it a go with the voltages but I guess its probably time for a mobo upgrade then.
 
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