While reinstalling my burner software and having to take a trip over to the Adaptec site to download the latest ASPI software, I noticed they have a new version 4.71 available. This new version corrects the following-
Previous versions of aspi32.sys for Windows 2000 and XP may not return the proper Maximum Number of Targets (HA_MaxTargets) in reponse to Host Adapter Inquiry (HA_INQUIRY).
Ypu can download it for free over at the Adaptec site. The new version supports all windows versions except Win 95 which you need to use version 4.60