Tom's Hardware > Forum > Overclocking > General Discussions > First overclock help
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TheDJ08   07-29-2008 at 11:53:10 PM

I am going to attempt my first overclock and do not want to screw it up and kill my processor ;p

first here is the CPU build:

NZXT TEMPEST Crafted Series CS-NT-TEM-B Black Steel / Plastic ATX

GIGABYTE GA-X48-DS4 LGA 775 Intel X48 ATX Intel Motherboard

(2X) SAPPHIRE 100243L Radeon HD 4870 512MB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card

CORSAIR CMPSU-750TX 750W ATX12V / EPS12V Power Supply - Retail

Intel Core 2 Quad Q6600 Kentsfield 2.4GHz LGA 775 Quad-Core

OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2RPR10664GK -

XIGMATEK HDT-S1283 120mm Rifle CPU Cooler - Retail

Now for the settings in the Bios I have CPU Clock Ratio 9X and the frequency to 340 giving me 3.06GHz.

I set the voltage control to Auto.

Anything else I need to do before giving this a shot?

Thanks

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V3NOM   07-30-2008 at 11:03:00 AM
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personally i would put the FSB at 400, set the memory in 1:1 ratio, cos 1066 MHz is 100% unneeded unless ur watercooling lol.... then drop the multiplier to 8 or 7 for a start. nice cooler best choice! no prob installing it?

and wow thats one hell of a graphics system.... 2 4870's own GTX280's with ease :)

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Zorg   07-30-2008 at 11:38:08 AM
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Lock the PCIe to 100 and disable Performance Enhance.

After you get it stable I would follow V3NOM'S advice and go to:

FSB - 400
CPU multi - 8 (3.2G)
RAM - 2 (1:1)

If you want to go higher, then just raise the FSB.

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V3NOM   07-30-2008 at 12:08:10 PM
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^or if you're really lucky with a low VID chip, or you lapped the IHS/cooler you could try nad get 3.6 with a 400MHz FSB and x9 multiplier! :) lol not very likely but tell us how it goes!!

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TheDJ08   08-01-2008 at 02:59:58 AM
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Hey guys!

OK I got it to run stable at 3.0GHZ at stock 1.3 Volts.

I went to go try to 3.2 and it was to hot - I thought my cooling would def be better then it is. I of course had to up the volts, was going a step at a time, but the CPU was running 65-65-58-58

Right now idle at 3.1GHZ the temps are 43,45,39,40. (Idle) at load they are 60-60-58-58. Right now it is summer where I am and when not home about 85 and when home keep the room at 75.

I re-seated the heat sink and still same temps.

What can I do to improve?


Message edited by TheDJ08 on 08-01-2008 at 04:07:53 AM
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Zorg   08-01-2008 at 10:06:36 AM
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Is it a Q6600 G0 or B3. I assume those are load temps at 3.2G. What program are you using for temps? I assume you tried to run it on auto Vcore and it failed.

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V3NOM   08-01-2008 at 11:51:16 AM
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i'd say its a G0 retail...

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Zorg   08-01-2008 at 02:10:54 PM
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Your probably right, but I've made that assumption before and been wrong.

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TheDJ08   08-01-2008 at 04:30:03 PM
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Hi guys,

Its a G0 revision.

At 3.2 load I was getting temps of 65-65-58-58.
At 3.1 load I am getting 61-61-56-56

Yes Auto VCore had failed and I am using core temp.

Message quoted 1 times
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Zorg   08-01-2008 at 11:40:02 PM
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TheDJ08 wrote :

Hi guys,

 

Its a G0 revision.

 

At 3.2 load I was getting temps of 65-65-58-58.
At 3.1 load I am getting 61-61-56-56

 

Yes Auto VCore had failed and I am using core temp.

You should try Real Temp. You will find that the temps are 5C lower, due to a 5C lower Tjmax. IMO the Tjmax of 95C in Real Temp is more accurate because Unclewebb actually did testing with a temp probe to come up with that number. That should give you temps of 60-60-53-53 Prime95 @3.2, which IMO are acceptable. Even the 65C are technically OK, but a little warm for my taste. The large differential between cores 1,2 & 3,4 are probably due to the weight of the cooler. If you want you can put a slight upward pressure on the cooler with your hand and see if cores 1 & 2 come down a little. For a lot more information on temps your should read CompuTronix's temp guide.


Message edited by Zorg on 08-02-2008 at 11:01:37 AM
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TheDJ08   08-01-2008 at 11:43:41 PM
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Yeah real temp is showing 5 degrees lower - that is good. I know others have had a lot better temps then what I have - some @ 3.5 w/ a load of 45 or so :P

I will try what you said and also look at that guide - thank you.

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