Odd overclocking problem(q6600)

Whats up?

I over clocked my stock q6600 to 3.0ghz and it passed a stability test in prime95. I got greedy and tried to overclock it to 3.4ghz, but I forgot to set the correct timings for my ram.

My PC wouldn't boot, so I reset the CMOS and tried to start again.

Now the PC will not boot if I try to overclock at all, even if it is with the settings I passed the stability test with. It is booting with default settings though.

My MOBO is a Gigabyte P35-Ds3R

I went 333x9 for 3.0 ghz
set PCI express frequency to 100
Set my ram timings to 1:1
and upped my voltage to 1.350

Any explanations?
2 answers Last reply
More about overclocking problem q6600
  1. Is C I A mode disabled?
    Is performance Enahnce is set to standard?

    Also make sure your ram is set to the right volts according to the manufacturer of the ram.
  2. If you are running at 1:1, your memory clock (BIOS) at stock should be 533 MHz selected by using a System Memory Multiplier of 2.0. So at 3.0 GHz (333X9), your memclock should be 667 MHz.

    For a review:
    HOWTO: Overclock C2Q (Quads) and C2D (Duals) - Guide v1.6.1
    http://www.tomshardware.com/forum/240001-29-howto-overclock-quads-duals-guide

    Shadow's Gigabyte motherboard OC guide:
    http://www.tomshardware.co.uk/forum/page-245679_11_0.html
    It's for an EP35-DS3L but all the Gigabyte Core2 BIOS's are similar.
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