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Hello again,


When I turn on my computer it would shutdown itself for 1-3 secs (before the you see the bios splash screen) and turn on itself back on successfully booting to OS (happens only when OC'ed). Is this normal?


Thanks In Advanced

Edited by Lamig

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Now I have time to post my details. Basically it only happens on cold boot.


My specs

E6600 @ 3.00 GHz (Target Freq.)

2x 512MB DDR2 667

2x 1GB DDR2 667

ASUS P5Q SE2 Bios: 0601


AI Overclocker Tuner: Manual

FSB Frequency: 333MHz

PCIE Frequency: 100MHz

FSB Strap to North Bridge: 333MHz

DRAM Frequency: DD2-667MHz

DRAM Timing Control: Manual

-CAS# Latency: 5

-DRAM RAS# to CAS# Delay: 5

-DRAM RAS# Precharge: 5

-RAS# Activate to Precharge: 15

DRAM Static Read Control: Auto

DRAM Read Training: Auto

MEM. OC Charger: Auto

Ai Clock Twister: Auto

Ai Transaction Booster: Auto

CPU Voltage: 1.33125

FSB Termination Voltage: 1.20

Memory Voltage: 1.90

North Bridge Volage: 1.10

South Bridge: 1.50

CPU GTL Reference: Auto

CPU Spread Spectrum: Disable

PCIE Spread Spectrum: Disable

CPU Clock Skew: Delay 150Ps

NB Clock Skew:Auto

CPU Margin Enhancement: Optimized


CPU Ratio Settings: 0.9


Testing Done:

IBT 10 Runs Stress level Maximum: Passed

Prime95 Large FFT: 2 Hrs, No errors.

(I have no time to run Prime95 long tests at the moment)

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Not the same motherboard model but I had the exact same issue with an Asus P5E. I ran it for about two years with this issue and it didn't hurt anything. Just a slightly quirky motherboard. It still overclocked well and performed great. Updating the BIOS never got rid of the issue. I wouldn't worry about it.

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It might be because there isn't enough juice(voltage) for some part. When I overclock, I always oc first and them raise voltage...sometimes when the voltage isn't enough the PC won't boot, but when I press the restart button it will boot normally. Maybe for your case there is a different cause...just thought I'd throw out this idea.

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