COMPUADD, INC.
HARDCACHE/SCSI
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two SCSI drives, up to 5 other SCSI devices
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS | |
Function | Location |
50-pin SCSI connector-external | CN1 |
4-pin connector-drive active LED | J1 |
34-pin data cable connector-floppy drive | J2 |
50-pin SCSI connector-internal | J3 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Block Data Transfer mode | SW1/switch 1 | on |
IRQ-Paced Data Transfer mode | SW1/switch 1 | off | |
| » | Read config. sector on drive 0 | SW1/switch 2 | on |
Read config. data in firmware | SW1/switch 2 | off | |
| » | Floppy drive address 3F0-3F7h | SW1/switch 3 | off |
Floppy drive address 370-377h | SW1/switch 3 | on | |
| » | Floppy drive enabled | SW1/switch 4 | off |
| Floppy drive disabled | SW1/switch 4 | on | |
| » | Single-speed floppy drive supported | SW1/switch 5 | off |
Dual-speed floppy drive supported | SW1/switch 5 | on | |
| » | BIOS enabled | SW1/switch 6 | on |
BIOS disabled | SW1/switch 6 | off | |
| » | BIOS address C800-C9FFh | SW2/switch 1 | off |
| BIOS address CA00-CBFFh | SW2/switch 1 | on | |
| » | Hard drive address 1F0-1F7h | SW2/switch 2 | off |
| Hard drive address 170-177h | SW2/switch 2 | on | |
| » | 256KB SIMM's supported | SW2/switch 6 | on |
1MB SIMM's supported | SW2/switch 6 | off | |
| » | Hard Drive Interrupt is IRQ14 | W1 | pins 1 & 2 closed |
Hard Drive Interrupt is IRQ10 | W1 | pins 2 & 3 closed | |
SCSI ADDRESS | ||||
SCSI ID | SW2/switch 3 | SW2/switch 4 | SW2/switch 5 | |
| 0 | off | off | off | |
1 | off | off | on | |
2 | off | on | off | |
3 | off | on | on | |
4 | on | off | off | |
5 | on | off | on | |
6 | on | on | off | |
| » | 7 | on | on | on |