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Help me overclock my Q6600 and give it new life!

post #1 of 67
Thread Starter 
Hey guys,

So I bought this system off a friend for 350 bucks. I believe the CPU is bottlenecking my XFX GTS 250 SLI. I would like to maybe OC the CPU to at least 3.2 if not even higher! I believe my Q6600 is a G0 but I will check when I get home. How should I go about overclocking this dying beast to give it new life? Should I adjust the FSB in the BIOS or use an overclocking program such as SetFSB? Adjust voltages? Any help would be appreciated! Thanks!

System Specs:

Processor: Intel Core 2 Quad Q6600 @ 2.4 GHz
Motherboard: XFX 680i LT SLI (MB-N680- ILT9)
Video Card: (2x SLI) XFX GTS 250 512MB (GS250XYDFU) w/ Spire Slimod 282 Cooler
PSU: OCZ 750W Fatal1ty Series Modular
Case: NZXT Phantom Full Tower(black)
Drives: DVD Burner w/ Lightscribe
CPU Cooler: Titan Hati CPU Cooler w/ 2 fans
RAM: OCZ SLI-Ready Dual Channel DDR2 800 4GB 2 x 2GB

Please also note I will keep this first post updated as my "work log" until I achieve my desired overclock for this system!

Work Log:

4/16
-After 8+ hours of Prime95 testing!


4/15
-Got to 3.0Ghz @ 1.35vcore!
-Booted up system with pre-overclock at 2.8Ghz! Really nice temps (31-35C) and Vcores 1.19?









Edited by RagingAzn628 - 4/16/11 at 4:44am
post #2 of 67
I wouldn't say in any respect that the system is "dying" - C2Q Q6600's are amazing processors especially the G0's - they were some of the first quad cores to hit 4GHZ. If you want to do any real overclocking, it will need to be done through the bios -

Something like 3.4ghz is fairly easy to hit - set the fsb for 380, bump vcore to 1.35, set your memory speeds, and have a go at it. You will certainly want to put more work into the overclock than that, but those settings should be a good base to get you started (on a G0 revision)
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post #3 of 67
gosh that board is not very quad friendly.......try 1333FSB with 1.4 volts
    
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post #4 of 67
Thread Starter 
Quote:
Originally Posted by appleg33k85 View Post
I wouldn't say in any respect that the system is "dying" - C2Q Q6600's are amazing processors especially the G0's - they were some of the first quad cores to hit 4GHZ. If you want to do any real overclocking, it will need to be done through the bios -

Something like 3.4ghz is fairly easy to hit - set the fsb for 380, bump vcore to 1.35, set your memory speeds, and have a go at it. You will certainly want to put more work into the overclock than that, but those settings should be a good base to get you started (on a G0 revision)
True that. When I say dying I compared the Q6600 to the i7 Sandy Bridges OC'd at 5.0Ghz LOL - 3.4ghz is more than what I want achieved.

I read this "guide" here:
http://www.bit-tech.net/hardware/cpu...2_quad_q6600/1

looks like they're using the B3 stepping instead of G0 - they set the vcore to 1.465? Also what memory speeds should I set it as (timings?) Thanks. Also how are my coolers? Should I swap out the CPU cooler for the Hyper 212+?


Quote:
Originally Posted by Vlasov_581 View Post
gosh that board is not very quad friendly.......try 1333FSB with 1.4 volts
Aha, so it seems from the guide linked above! Like I said 3.2ghz is what I want 3.4ghz and up would be a dream! <3
post #5 of 67
I used to run my Q6600 at 3.6ghz (400x9) with vcore at 1.5 and ram speed at 800mhz. Even at that speed my 295 was still bottlenecked in some games like just cause 2 and GTA4.
    
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post #6 of 67
Thread Starter 
Quote:
Originally Posted by Kirby1 View Post
I used to run my Q6600 at 3.6ghz (400x9) with vcore at 1.5 and ram speed at 800mhz. Even at that speed my 295 was still bottlenecked in some games like just cause 2 and GTA4.
Ah wow ouch! How does the GTS 250 SLI compare to 295? People say GTS 250 SLI is a tad bit better than the GTX 285.
post #7 of 67
A single 295 is a good bit faster than SLI 250s. A 295 is a little bit better than 260s in SLI because it uses the same GPU but has slight faster memory speeds. Still there are some games that a Q6600 just is not really fast enough for if you want to play on max settings, but honestly there are not that many games like that. It will make a big difference for you if you OC to 3.6 or close even if some games still lag.
Edited by Kirby1 - 4/15/11 at 12:58pm
    
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post #8 of 67
Thread Starter 
Quote:
Originally Posted by Kirby1 View Post
A single 295 is a good bit faster than SLI 250s. A 295 is a little bit better than 260s in SLI because it uses the same GPU but has slight faster memory speeds. Still there are some games that a Q6600 just is not really fast enough for if you want to play on max settings, but honestly there are not that many games like that.
How about the GTX 460, how do the GTS 250 SLI compare to it? I was getting mixed responses when going through old posts from OCN. Some people were saying GTX 460 is better because of D11X and lower power but some said GTS 250 SLI is faster. I know this is straying from the main topic (OC'ing Q6600)

Currently reading:
http://www.tomshardware.co.uk/forum/...clocking-guide
post #9 of 67
250 SLI would probably be pretty on par with a 460 in terms of performance if you got a good 460. Games like GTA4 and just cause 2 would probably run fine on either of those GPU setups but they need a lot of CPU power and a Q6600 will never be enough for smooth gameplay at high settings for either of those games, unless you OCed to like 4ghz then maybe but thats pretty rare.
Edited by Kirby1 - 4/15/11 at 1:05pm
    
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post #10 of 67
I run my Q6600 G0 at 3.6GHz 400x9 at 1.47v

I don't believe the 680i LT's are very good at overclocking. I would be surprised if you could do > 3.2Ghz
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