Microsoft has dropped the following SCSI adapters from Windows XP:

Company                     SCSI miniport                     Adapter model                                        
Buslogic buslogic.sys BT - 542D
Buslogic buslogic.sys BT - 545C
Buslogic buslogic.sys BT - 545S
Buslogic buslogic.sys BT - 747C
Buslogic buslogic.sys BT - 747D
Buslogic buslogic.sys BT - 747S
Buslogic buslogic.sys BT - 757C
Buslogic buslogic.sys BT - 757S
Buslogic buslogic.sys BT - 946C
Buslogic buslogic.sys BT - 948
Buslogic buslogic.sys BT - 956CD
Buslogic buslogic.sys BT - 958
Buslogic buslogic.sys BT - 958D
Adaptec fd16_700.sys AHA - 2905
Adaptec fd16_700.sys AHA - 2920
Adaptec fd16_700.sys AHA - 2920A
Adaptec fd16_700.sys TMC-3250
Diamond fireport.sys Fireport 20 Ultra
Diamond fireport.sys Fireport 40 Ultra
Buslogic/Mylex flashpnt.sys BT - 930 Flashpoint LT
Buslogic/Mylex flashpnt.sys BT - 932 Flashpoint DL
Buslogic/Mylex flashpnt.sys BT - 950 Flashpoint LW
Buslogic/Mylex flashpnt.sys BT - 952 Flashpoint DW
Compaq ncrc710.sys 32 Bit Fast SCSI 2 Controller
Compaq cpqfws2e.sys 32 Bit Fast Wide SCSI 2/E Controller
If you use any of the above adapters in an earlier O/S, it may not work in Windows XP. Contact the manufacturer to see if they have any Windows XP drivers for the adapter.