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Gigabyte GA-EP45-UD3P turns off and on 3 times on cold boot

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January 2, 2010 9:04:45 PM

I just put together a computer. It has:

- Gigabyte GA-EP45-UD3P P45 775

- Intel Core 2 Quad Q9650 3.0GHz 12MB L2 Cache LGA 775 95W Quad-Core Processor

- 2 Kingston 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400)
(8gb total)

- PNY VCGGTS2501XPB GeForce GTS 250 1GB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready

- COOLER MASTER HAF 922 RC-922M-KKN1-GP Case

- Windows 7 Home Prem x64bit

When I cold boot it, it turns on for 2 seconds, turns off, then turns on for 4 seconds, turns off again, then turns on and boots fine.
If I restart computer it reboots fine.
It only does this on and off thing twice on a cold boot.

My question is... Is this normal???
Does the motherboard test or configure something where it has to turn off and on twice?
I would think if a part is faulty it would not boot at all. And when it's finished booting it all seems fine.

CPU is at 30-32 C on bios



a c 177 V Motherboard
January 2, 2010 10:32:31 PM

Same thing I always ask - have you done the (obligatory) "Load Optimized Defaults" from the BIOS? Until this has been done, the BIOS has to do full 'hardware discovery' every start-up, and, obviously, it's finding something it's no too thrilled with!
January 2, 2010 11:09:02 PM

I was messing with some bios changes and found it seems not to do that if I change HPET Mode from 32bit to 64bit in Power Management Setup.
!