ADAPTEC, INC. AHA-1520A, AHA1522A Data bus: 16-bit ISA Size: Half-length, full-height card Hard drive supported: Up to seven SCSI devices Floppy drives supported: None [Image] CONNECTIONS Function Location 50-pin SCSI connector - external CN1 50-pin SCSI connector - internal CN2 34-pin floppy controller - 1522A only CN3 SCSI ID SELECTION SCSI ID J6/1 J6/2 J6/3 » 7 closed closed closed 0 open open open 1 closed open open 2 open closed open 3 closed closed open 4 open open closed 5 closed pen closed 6 open closed closed USER CONFIGURABLE SETTINGS Function Location Setting » Factory configured - do not J5/1 open alter » INT 19 is re-routed J5/2 closed INT 19 is not re-routed J5/2 open » Sync. negotiation enabled J5/5 closed Sync. negotiation disabled J5/5 open » Disconnect by target SCSI J5/6 closed device enabled Disconnect by target SCSI J5/6 open device disabled » Factory configured - do not J5/7 open alter » Factory configured - do not J5/8 open alter » Factory configured - do not J6/6 open alter » Factory configured - do not J6/7 open alter » SCSI parity check enabled J6/8 open SCSI parity check disabled J6/8 closed » Floppy drive enabled (only on J7 closed 1522A) Floppy drive disabled (only on J7 open 1522A) » Factory configured - do not J8/1-8 open alter » Adapter I/O address is 340h J9/5 open Adapter I/O address is 140h J9/5 closed » Host adapter BIOS enabled J9/8 closed Host adapter BIOS disabled J9/8 open Note: When connecting both external & internal devices to the host adapter - remove terminators MESSAGES AT BOOT-UP Message J5/3 J5/4 » Adapter header open open Error messages closed closed Boot progress report open closed SCSI device information closed open BIOS ADDRESS SELECTION Address J9/6 J9/7 » DFFFFh closed closed CBFFFh open open CFFFFh open closed DBFFFh closed open INTERRUPT SELECTION IRQ J6/4 J6/5 J9/1 J9/2 J9/3 J9/4 » 11 open closed open closed open open 9 open open open open open closed 10 closed open open open closed open 12 closed closed closed open open open