BUSLOGIC, INC. BT-640A Data bus: 32 bit, MCA Size: Full-length card Hard drives supported: Up to seven SCSI devices Floppy drives supported: Two 320KB, 720KB, 1.2 MB or 1.44 MB drives [Image] CONNECTIONS Function Location 50-pin SCSI connector-internal CN1 50-pin SCSI connector-external CN2 4-pin connecter- drive active LED CN3 MISCELLANEOUS TECHNICAL NOTES All configurations are done through the firmware.