Weird problem with WD Raptor 74

I've just assembled a new pc as follows:
CPU Intel Core 2 Duo 6600
Motherboard Asus P5B Deluxe
Ram Corsair DDR2 2x1gb Pc6400C4
Graphic card XFX GeForce 7900 GTX
Main hd WD Raptor WD740 (on Sata Port 1)
Archive hd Seagate Barracuda 7200.10 500gb (on Sata Port 2, but I tried ALL the other ports too)
All of the drivers (mobo, controllers) are of course up to date, as the mobo bios.
Every time I reboot the system, the Raptor power turns off, then, as the bios starts, the disk powers up again and load the OS.
Any ideas on how can I solve this?

Thx
5 answers Last reply
More about weird problem raptor
  1. What about your power supply wattage? Brand?
  2. I had a soyo motherboard that did the same thing after a bios fix.

    The system would start, then restart itself and start normally after than.

    I doubt its the hard drive. The hard drive is incapable of turning itself on or off.
  3. Quote:
    What about your power supply wattage? Brand?


    First class... Tagan 600W 8)
  4. Quote:
    I had a soyo motherboard that did the same thing after a bios fix.

    The system would start, then restart itself and start normally after than.

    I doubt its the hard drive. The hard drive is incapable of turning itself on or off.


    Sure indeed. In fact, I guess all that mess has to do with:
    A) the mobo bios (it's new and in continuous progress)
    B) the sata controller drivers
    C) the sata ports usage (there are six of them on the mobo)
    Do you think one of these is right?
  5. You could also just be hearing the noise of the drive spinning up to speed, followed by a dramatic reduction in noise while the drive stands idle waiting for the system to finish POSTing which leads to the random access noises the drive makes when is loading your OS.

    If you are concerned about the health of your drive, run a full drive self test.
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