STORAGE DIMENSIONS
SDC1602A
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 | |
» |
Factory configured - do not alter |
J5/1 |
Open |
» |
Factory configured - do not alter |
J5/2 |
Closed |
» |
Factory configured - do not alter |
J5/3 |
Open |
» |
Factory configured - do not alter |
J5/4 |
Open |
» |
Factory configured - do not alter |
J5/5 |
Closed |
» |
Factory configured - do not alter |
J5/6 |
Closed |
» |
Factory configured - do not alter |
J5/7 |
Open |
» |
Factory configured - do not alter |
J5/8 |
Open |
» |
Factory configured - do not alter (Interrupt selection) |
J6/4 |
Open |
» |
Factory configured - do not alter (Interrupt selection) |
J6/5 |
Closed |
» |
Factory configured - do not alter (DMA selection) |
J6/6 |
Open |
» |
Factory configured - do not alter (DMA selection) |
J6/7 |
Open |
» |
SCSI parity check disabled |
J6/8 |
Open |
SCSI parity check enabled |
J6/8 |
Closed | |
» |
Floppy drive interface enabled |
J7/1 |
Closed |
Floppy drive interface disabled |
J7/1 |
Open | |
» |
Factory configured - do not alter (DMA 2 or 3 selection) |
J7/2 |
Closed |
» |
Factory configured - do not alter (DMA 2 or 3 selection) |
J7/3 |
Open |
» |
Factory configured - do not alter (DMA 2 or 3 selection) |
J7/4 |
Closed |
» |
Factory configured - do not alter (DMA 2 or 3 selection) |
J7/5 |
Open |
USER CONFIGURABLE SETTINGS (CON’T) | |||
Function |
Label |
Position | |
» |
Floppy drive dual speed enabled |
J7/8 |
Closed |
Floppy drive dual speed disabled |
J7/8 |
Open | |
» |
Primary I/O port address 340h enabled |
J9/5 |
Open |
Secondary I/O port address 140h enabled |
J9/5 |
Closed | |
» |
Factory configured - do not alter (BIOS address selection) |
J9/6 |
Closed |
» |
Factory configured - do not alter (BIOS address selection) |
J9/7 |
Closed |
» |
SCSI BIOS enabled |
J9/8 |
Closed |
SCSI BIOS disabled |
J9/8 |
Open | |
Note:Disable BIOS when SDC1602A is a secondary card in the system. |
SCSI ID SELECTION | ||||
SCSI ID |
J6/1 |
J6/2 |
J6/3 | |
» |
7 |
Closed |
Closed |
Closed |
Note:Other settings are unidentified. |
DMA CHANNEL SELECTION | |||||||||
Channel |
J8/1 |
J8/2 |
J8/3 |
J8/4 |
J8/5 |
J8/6 |
J8/7 |
J8/8 | |
» |
0 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Closed |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Closed |
Open | |
6 |
Open |
Closed |
Open |
Open |
Open |
Closed |
Open |
Open | |
7 |
Closed |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
FLOPPY DRIVE INTERRUPT SELECTION | |||
IRQ |
J7/6 |
J7/7 | |
» |
IRQ6 |
Closed |
Open |
IRQ10 |
Open |
Closed |
INTERRUPT SELECTION | |||||
IRQ |
J9/1 |
J9/2 |
J9/3 |
J9/4 | |
IRQ9 |
Open |
Open |
Open |
Closed | |
IRQ10 |
Open |
Open |
Closed |
Open | |
» |
IRQ11 |
Open |
Closed |
Open |
Open |
IRQ12 |
Closed |
Open |
Open |
Open |
MISCELLANEOUS TECHNICAL NOTES |
Remove terminating resistors when connecting external and internal devices. |