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Solved Overclocking E8400 On Asus P5G41C-M LX Help!!!

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HI,

I am running on Auto Overclock via Bios setting test6513316.4 GHz for a few years already, quite happily, and need help to push it even further with manual settings. My proudly self-essembled rig :

Asus P5G41C-M LX (Intel G41)
E8400 test6513316.4 GHz with Arctic Cooler 7 Rev.2 air fan
PNY GTX 460 test29268206 MHz OC
4GB DDR3 – 1066 (7-7-7-20CR1) (2GB Kingston and 2GB G Skill)
OCZ 600W SXS
LG 42″ LCD via HDMI

I am using my PC mostly for gaming – Skyrim, W40K Spacemarines, Crysis 2, Civ5, ect… which all increasingly require high-performance CPU – most reccomend Quad Core CPUs. So I decided to pump up the aging E8400 to test31404562 GHZ ( or as high as possisble as long as I do not have to upgrade to water cooling – max 75-80* C) as far as I know) before buying the new generation i5 in 8-12 month (once the prices are down).

The problem is that after reading various E8400 overclocking tutorials, I cannot relate most terms (e.g. V Core) to my BIOS settings, and I cannot find overclocking instructions for my specific board with E8400 capabilitties (open multiplier, etc..).

My BIOS manual overcloking options are in full below:

CPU Frequence (200-800 range)
DRAM Frequence (“Auto” or varios multiple choice options which auto-change after the CPU Frequency value is changed)
PCI Express Frequency (“Auto” or 90 – 150 range)
Memory Voltage (“Auto” or 1.2000V – 2.4450V)
NB Voltage (“Auto” or 1.12500V – 1.51875V)
VTT Voltage (“”Auto or 1.20000V – 1.29375V)
SB 1.5V Voltage (1.5V or 1.6V)
Auto PSI (Enabled/Disabled)

Any suggestions are greatly appreciated….

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1 Answer

  1. Reaching OC 4.0 with an E8400 would be in the realm of Extreme Overclocking and even an advanced watercooling system might not be enough to keep the temperatures reasonable with the voltages you would need (vcore and chipset overvolting) and definitely not on a G41 MB since it only supports FSB1333 (freq.333) not even FSB1600 (freq.400) , especially with a multiplier locked down to a maximum of 9 (333×9=2997 or 2.997 or 3.0). To even attempt anything that extreme you would need a motherboard with a P45 chipset and it would not be suitable for daily usage. You would need a 2nd generation sandy bridge K series and appropriate board to run those speeds for daily usage (with an aftermarket air cooler).
    Please note that 3.4GHz is already a good OC for an E8400, especially considering you are using automatic settings.

    You have to be a little bit crazy to keep you from going insane.

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