Error "a disk read error occurred" on Windows XP

"Your disk symptoms could be explained by a lack of power to the disk - broken power cable, broken PSU, or perhaps a bad motor in the drive itself. Does it spin up?

That the other OS runs better without the first disk attached is interesting, perhaps your mobo has a bad sata port.

I would suggest connecting the drive to a different computer altogether, to eliminate all potential error sources except the disk. You already made a comment that you sent it to a specialist, so - good luck..."