(TXT) View Source
# COMPUADD, INC.
HARDCACHE/ESDI
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two RLL ESDI drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 1 | J1 |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 0 | J2 |
|-------------------------------------------+----------------|
| 34-pin data cable connector-floppy drive | J3 |
|-------------------------------------------+----------------|
| 34-pin control cable connector-hard drive | J4 |
|-------------------------------------------+----------------|
| 4-pin connector-drive active LED | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive type is AT-type | W1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive type is PS/2 type | W1 | pins 2 & 3 |
| | 1.44MB | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy Drive Interrupt is IRQ6 | W2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy Drive Interrupt is | W2 | pins 2 & 3 |
| | IRQ10 | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy Drive DMA Acknowledge | W3 | pins 1 & 2 |
| | is DACK2 | | closed |
|---+--------------------------------+----------+------------|
| | Floppy Drive DMA Acknowledge | W3 | pins 2 & 3 |
| | is DACK3 | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy Drive DMA Request is | W4 | pins 1 & 2 |
| | DREQ2 | | closed |
|---+--------------------------------+----------+------------|
| | Floppy Drive DMA Request is | W4 | pins 2 & 3 |
| | DREQ3 | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive address 1F0-1F7h | W5 | open |
|---+--------------------------------+----------+------------|
| | Hard drive address 170-177h | W5 | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive address 3F0-3F7h | W6 | open |
|---+--------------------------------+----------+------------|
| | Floppy drive address 370-377h | W6 | closed |
|---+--------------------------------+----------+------------|
| » | BIOS enabled | W7 | closed |
|---+--------------------------------+----------+------------|
| | BIOS disabled | W7 | open |
|---+--------------------------------+----------+------------|
| » | BIOS address C800-C9FFh | W8 | open |
|---+--------------------------------+----------+------------|
| | BIOS address CA00-CBFFh | W8 | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive enabled | W9 | open |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | W9 | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive single spindle | W10 | open |
| | speed enabled | | |
|---+--------------------------------+----------+------------|
| | Floppy drive dual spindle | W10 | closed |
| | speed enabled | | |
|---+--------------------------------+----------+------------|
| » | 256KB SIMM's supported | W11 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | 1MB SIMM's supported | W11 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Block Data Transfer mode | W12 | pins 1 & 2 |
| | enabled | | closed |
|---+--------------------------------+----------+------------|
| | IRQ-Paced Data Transfer mode | W12 | pins 2 & 3 |
| | enabled | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W13 | open |
| | alter | | |
+------------------------------------------------------------+