HP C5695-69801 - SCSI extender and buzzer PC board (Wing board + buzzer) - SCSI Extender and Buzzer PC Board (Wing Board + Buzzer) - Installed in Lower Slot Only Retail
HP D5028-69006 - Power control board (8051) - Power Control Board (8051) - Mounts on SCSI Extender Board Retail
HP D5028-69005 - SCSI extender board - Has six external Ultra SCSI ports - Includes power control board Retail