Trouble Overclocking a E6850

I am absolutely new to overclocking. I am a PC gaming enthusiast and I am finally getting into OC'ing. I have looked at the guide and tried to understand some concepts to some extent.

Currently my set up is this:
Video card - NVIDIA GeForce 9800 GTX
CPU - Intel Core 2 Duo E6850 @ 3.0 GHz
Motherboard - ASUS P5QC LGA 775 Intel P45 ATX Intel Motherboard
RAM - Patriot Extreme Performance Gaming Series 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400)
Desktop Memory
And 2gb of some other DDR2 RAM
Power supply - Cooler Master Real Power Pro 750W Power Supply
Windows XP

Here are pics of what i put in initially into BIOS. When i boot up, my computer tells me that the Overclocking has failed. What am i doing wrong?

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  1. Wow, why is your pci-e frequency at 120 ?
    Slight increases to the pci-e can help with higher overclocks, but it shouldn't bet set to more than about 105 and shouldn't need to be raised at all for an overclock like yours.
    First thing to do is use Google to find an overclocking guide for your motherboard.
    Here's some basic's ;
    Take out the 2 gb's of "some other DDR2 ram"
    Manually set your DRAM timings ( 444/12 or whatever is specced on the chips ) and voltage.
    Lower the pci-e frequency to 100
    Increase the CPU voltage to 1.34 ( I need 1.36 to keep my E6850 stable at 3.6 on a P5N-E )
    Manually set the NB to 1.36 ( or as close as the bios will allow )
    Enable LLC
    Disable both the CPU and PCIE spread spectrum's.
    If that get's you stable you can start working on lowering the voltage.
  2. Thanks for the help. I have it at 3240mhz right now. i'll run prime95 overnight and see how it plays out.

    I'm not using a different air CPU cooler too, only the stock one.

    Edit: I was idling at around 32-35C but after 10 minutes of Prime95 @ 100% load i am hanging around 64-66C. It seems to stay at that. Also, i don't feel any hot air coming out from the back side of my computer, nor anywhere. I'll have to check that out.
  3. bump
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