Clevo

Maybe I'm not reading this right....

Normally, your internal DVD drive sits in which PC? the XP?

You then pull out the DVD drive and connect it to a PC with vista via a USB to IDE converter cable?

I would have thought that the DVD drive will be needed to be set up in the BIOS of which ever machine does not see it first.

I'm not entirely sure I understand why you are doing things this way?