From the developer: "Updated ASPI drivers version 4.71 for Windows 98, NT 4, Me, 2000 and XP. Includes ASPICHK version checking utility Changes Between v 4.70 and v 4.71) 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). This has been corrected."