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First time o/c, please go easy :)


I'm looking to o/c my workstation. Configuration as follow


Intel Quad Q6600 + Zalman CNPS9700LED

Gigabyte GA-P35-DS4

4 GB of Corsair TWIN2X2048-6400C4DHX


Apps HDD: WD5000ADFD

XFX GeForce 8600 GT


What is the maximum I can o/c to?


Please advise where my bottleneck is.


Muchos Gracias

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Lets see how 3.0Ghz works. Download memtest from http://www.memtest.org and extract the ISO image. Burn the ISO image to an CD-ROM disk.


Enter your BIOS. On the main BIOS screen press Ctrl + F1. You will see the screen flicker. Next select the MB Intelligent Tweaker option. On that screen you will see many additional settings that were not there before.


MIB Intelligent Tweaker (M.I.T.)


CPU Clock Ratio = 9

CPU Host Clock Control = Enabled

CPU Host Frequency (Mhz) = 333Mhz

PCI Express Frequency = 100Mhz

C.I.A.2 = Disabled

System Memory Multiplier = 2.4 (then Try 2.6)

DRAM Timing Selectable = Manual

CAS Latency Time = 4

DRAM RAS# to CAS# Delay = 4

RAS# Precharge = 4

Precharge Delay (tRAS) = 12

ACT to ACT delay = Auto

Bank Write To READ Delay = Auto

Refresh to ACT Delay = 0

Read to Precharge Delay = Auto

Memory Performance Enhance = Normal

Dimm OverVoltage Control = +.3V

PCI-e OverVoltage Control = Normal

(G)MCH OverVoltage Control = +.02

CPU Voltage Control = Auto

Robust Graphics Booster = Auto


System Memory Multiplier takes the FSB and multiplies it to get the DRAM bandwidth. FSB = 333 so


333 * 2.4 ~= 800Mhz with 4-4-4-12 @ 2.1v

333 * 2.6 ~= 865Mhz with 4-4-4-12 @ 2.1v


Run memtest on each test. Boot to the optical drive with the memtest disk and allow for two full passes. This will give your quad core a 3.0Ghz and some decent ram throughput.

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