When I boot up I get the windows 2000 logo screen and when it finishes loading I get a blue screen that says:

Stop: 0x000007B (0xED41B84C, 0xC00032, 0x0000000, 0x00000)
INACCESSIBLE_BOOT_DEVICE.

Here's what I've tried:

-another harddrive with windows 2000 loaded
-new motherboard (maybe a controller issue)
-setting it up clean with just the mobo, cpu, hdd, memory
-flashing the bios

I thought it may be a virus, but flashing the bios didn't help, I flashed it and started it up with a different hdd, same error.

Thy only thing I haven't tried is another CPU (I don't have one), but could that cause an inaccessible boot device error?

Any help is greatly appreciated