CD-RW does not function with XP PRO 2002/sp1

-----Original Message-----
I recently upgraded from OEM XP PRO (pre-SP1) to XP PRO
2002/SP1. My Plextor CD-RW is not detected properly. It
will not read any CD media and will not write a CDR.

Set system up to dual boot from C: with pre-SP1 and CD-RW
works, from D: with 2000/SP1 and CD-RW does not work.

USB 2.0 PCI card installed and needs SP1 and OEM version
will not let me install SP1 from Windows Upgrade.

MB, BIOS levels verfified to be latest per request of MS
support tech. Can anyone help explain how old XP works
and new XP does not support same hardware?
.
ok