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  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Function  | 
 Location  | 
| 
 50-pin SCSI connector - external  | 
 CN1  | 
 4-pin connector - drive active LED  | 
 CN4  | 
| 
 50-pin SCSI connector - internal  | 
 CN2  | 
 SCSI active LED  | 
 CN5  | 
| 
 34-pin cable connector - floppy drive  | 
 CN3  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Synchronous negotiation initiation disabled  | 
 J5/1  | 
 Open  | 
| 
 Synchronous negotiation initiation enabled  | 
 J5/1  | 
 Closed  | |
| » | 
 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 enabled  | 
 J7/1  | 
 Open  | 
| 
 Floppy interface address 370h enabled  | 
 J7/1  | 
 Closed  | |
| » | 
 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.  |