STORAGE DIMENSIONS SDC1602 Card Type Hard drive controller Hard Drives supported Up to 7 SCSI-1 devices Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives Data Bus 16-bit ISA Card Size Half-length, full-height [Image] CONNECTIONS Function Location Function Location 50-pin SCSI connector CN1 4-pin connector - CN4 - external drive active LED 50-pin SCSI connector CN2 SCSI active LED CN5 - internal 34-pin cable connector CN3 - floppy drive USER CONFIGURABLE SETTINGS Function Label Position » Synchronous negotiation initiation J5/1 Open disabled Synchronous negotiation initiation J5/1 Closed enabled » Factory configured - do not alter J5/2 Open » SCSI parity check disabled J5/3 Closed SCSI parity check enabled J5/3 Open » SCSI BIOS enabled J6/1 Closed SCSI BIOS disabled J6/1 Open » Factory configured - do not alter J6/2 Unidentified » Factory configured - do not alter J6/3 Unidentified » Factory configured - do not alter J6/4 Unidentified » SCSI auto sense enabled J6/5 Open SCSI auto sense disabled J6/5 Closed » Floppy interface address 3F0h J7/1 Open enabled Floppy interface address 370h J7/1 Closed enabled » Floppy drive interface enabled J8/1 Closed Floppy drive interface disabled J8/1 Open » Floppy drive dual speed disabled J8/8 Open Floppy drive dual speed enabled J8/8 Closed Note:Disable BIOS when SDC1602A is a secondary card in the system. SCSI ID SELECTION SCSI ID J5/4 J5/5 J5/6 0 Closed Closed Closed 1 Open Closed Closed 2 Closed Open Closed 3 Open Open Closed 4 Closed Closed Open 5 Open Closed Open 6 Closed Open Open » 7 Open Open Open DMA CHANNEL SELECTION (1) Channel J5/7 J5/8 0 Closed Closed » 5 Open Closed 6 Closed Open 7 Open Open FLOPPY INTERFACE DMA SELECTION Channel J8/2 J8/3 J8/4 J8/5 » 2 Closed Open Closed Open 3 Open Closed Open Closed DMA TRANSFER SPEED SELECTION Setting J5/12 J5/13 » 5.0 MB/sec Open Open 5.7 MB/sec Closed Open 6.7 MB/sec Open Closed 8.0 MB/sec Closed Closed DMA CHANNEL SELECTION (2) Channel J9/1 J9/2 J9/3 J9/4 J9/5 J9/6 J9/7 J9/8 0 Closed Open Open Open Closed Open Open Open » 5 Open Closed Open Open Open Closed Open Open 6 Open Open Closed Open Open Open Closed Open 7 Open Open Open Closed Open Open Open Closed Note: Settings must match J5 settings (DMA table 1). BASE I/O ADDRESS SELECTION Setting J7/2 J7/3 J7/4 130 Closed Open Closed 134 Open Open Closed 230 Closed Closed Open 234 Open Closed Open » 330 Closed Open Open 334 Open Open Open BIOS ADDRESS SELECTION Setting J7/7 J7/8 C800h Closed Closed CC00h Closed Open D800h Open Closed » DC00h Open Open FLOPPY DRIVE INTERRUPT SELECTION IRQ J8/6 J8/7 » IRQ6 Closed Open IRQ10 Open Closed INTERRUPT SELECTION (1) IRQ J5/9 J5/10 J5/11 IRQ9 Open Open Open IRQ10 Closed Open Open » IRQ11 Open Closed Open IRQ12 Closed Closed Open IRQ14 Open Open Closed IRQ15 Closed Open Closed INTERRUPT SELECTION (2) IRQ J9/9 J9/10 J9/11 J9/12 J9/13 J9/14 IRQ9 Closed Open Open Open Open Open IRQ10 Open Closed Open Open Open Open » IRQ11 Open Open Closed Open Open Open IRQ12 Open Open Open Closed Open Open IRQ14 Open Open Open Open Closed Open IRQ15 Open Open Open Open Open Closed Note:The above settings must match J5 settings (interrupt selection table 1). IOCHRDY WAIT STATE SELECTION Setting J7/5 J7/6 » Disabled Open Open 100ns Closed Open 200ns Open Closed 300ns Closed Closed MISCELLANEOUS TECHNICAL NOTES Remove terminating resistors when connecting external and internal devices.