Overclock Q6600 with a GA EP35-DS4 Mobo

bush elephant

Distinguished
May 15, 2008
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Hi there,

I'm relatively new to overclocking and after extensive research i still require some aid for my system (advice from people with knowledge of my system components).

I would like to overclock my Q6600 from it default 2.4GHz to 3.0GHz (perhaps higher temperature and stability depending).

System:

Antec 900 Case

Intel Q6600 CPU with a Thermalright 120 eXtreme heatsink + thermalright 120mm fan

Gigabyte EP35-DS4 Mobo with F3 bios (latest is a beta - have not tried it)

4 x 1GB PC-8500 1066MHz Corsair Dominator Ram 5-5-5-15 @ 2.1v (standard)

Sapphire ATi HD3870x2 1GB on stock cooling

Thermaltake Toughpower 750W PSU

500GB Seagate SATA HDD
80GB Seagate SATA HDD
250GB WD IDE HDD

LG DVD-RW IDE

Windows Vista Ultimate x64

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Having looked at the bios i have determined the following must be altered to overclock:

CPU host **** Control = enabled

CPU Host Frequency = 333 (for 3.0ghz)

PCI Express Frequency = ???? (some tutorials seem to alter this, and some dont - suggestions?)

CIA2 = Disabled

Ram = Ratio of 1:1 (1066:1066 - alter multiplier till i achieve 1:1)

Performance Enhance= Standard

System Voltage Control = Manual

CPU Voltage = 1.275000v (this is the standard - what should i change it to?)

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Any help/suggestions would be great - especially from people with similar components that have overclocked / in my situation.

Also should i alter the ram voltage?

BRB while i actually attach the heat sink and fan to my cpu :p

Cheers



 

silverh20

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Jan 11, 2009
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18,530
im about to be in a similar situation as yourself, i just bought a q6600 and a gigabyte ep45-ud3r and im going to OC it. from what ive heard so far, you mainly only need to bump up the fsb to reach 3 ghz. increase the fsb a little at a time without changing voltage and see if you can run it stable. shouldnt have to touch the ram unless you go higher. same with voltage.