ADAPTEC ACB-5500 Data bus: None (SCSI to ST506 interface) Size: Drive card Hard drives supported: SCSI to four RLL ST506 drives Floppy drives supported: None [Image] CONNECTIONS Function Location 34-pin control cable connector-hard drive(s) CN1 20-pin data cable connector-drive 0 J2 20-pin data cable connector-drive 1 J3 20-pin data cable connector-drive 2 J4 20-pin data cable connector-drive 3 J5 4-pin connector-DC power J7 50-pin SCSI connector-to host adapter J8 USER CONFIGURABLE JUMPERS Function Location Setting » SCSI bus reset is "hard" J6/jumper 1 closed SCSI bus reset is "soft" J6/jumper 1 open » Factory configured - do not J6/jumper 2 open alter » LUN 0 is a hard-sectored drive J6/jumper 3 closed LUN 0 is not a hard-sectored J6/jumper 3 open drive » LUN 1 is a hard-sectored drive J6/jumper 4 closed LUN 1 is not a hard-sectored J6/jumper 4 open drive » Factory configured - do not J6/jumper 5 open alter » Self-diagnostics enabled J6/jumper 6 closed Normal operation J6/jumper 6 open » SCSI parity check enabled J6/jumper 7 closed SCSI parity check disabled J6/jumper 7 open SCSI ADDRESS SCSI ID J6/jumper 8 J6/jumper 9 J6/jumper 10 0 open open open 1 open open closed 2 open closed open 3 open closed closed 4 closed open open 5 closed open closed 6 closed closed open » 7 closed closed closed