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# ADAPTEC, INC.
ACB-2322B
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: 2 RLL ESDI drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|---------------------------------------------+--------------|
| 34-pin control cable connector-floppy drive | J1 |
|---------------------------------------------+--------------|
| 20-pin data cable connector-drive 1 | J3 |
|---------------------------------------------+--------------|
| 20-pin data cable connector-drive 0 | J4 |
|---------------------------------------------+--------------|
| 34-pin data cable connector-hard drive | J5 |
|---------------------------------------------+--------------|
| 4-pin connector-drive active LED | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------+-------------+------------|
| » | Hard drive address 1F0-1F7h | J2/jumper 1 | open |
|---+-----------------------------+-------------+------------|
| | Hard drive address 170-177h | J2/jumper 1 | closed |
|---+-----------------------------+-------------+------------|
| » | Floppy drive address | J2/jumper 2 | open |
| | 3F0-3F7h | | |
|---+-----------------------------+-------------+------------|
| | Floppy drive address | J2/jumper 2 | closed |
| | 370-377h | | |
|---+-----------------------------+-------------+------------|
| » | Zero wait state enabled | J2/jumper 3 | open |
|---+-----------------------------+-------------+------------|
| | Zero wait state disabled | J2/jumper 3 | closed |
|---+-----------------------------+-------------+------------|
| » | Read ahead cache enabled | J2/jumper 5 | open |
|---+-----------------------------+-------------+------------|
| | Read ahead cache disabled | J2/jumper 5 | closed |
|---+-----------------------------+-------------+------------|
| » | BIOS address C800h | J7 | pins 1 & 2 |
| | | | closed |
|---+-----------------------------+-------------+------------|
| | BIOS address CC00h | J7 | pins 2 & 3 |
| | | | closed |
|---+-----------------------------+-------------+------------|
| » | Hard drive Interrupt is | J13 | pins 1 & 2 |
| | IRQ14 | | closed |
|---+-----------------------------+-------------+------------|
| | Hard drive Interrupt is | J13 | pins 2 & 3 |
| | IRQ15 | | closed |
|---+-----------------------------+-------------+------------|
| » | Floppy drive DMA Request is | J20 | pins 1 & 2 |
| | DREQ2 | | closed |
|---+-----------------------------+-------------+------------|
| | Floppy drive DMA Request is | J20 | pins 2 & 3 |
| | DREQ3 | | closed |
|---+-----------------------------+-------------+------------|
| » | Floppy drive DMA | J21 | pins 1 & 2 |
| | Acknowledge Is DACK2 | | closed |
|---+-----------------------------+-------------+------------|
| | Floppy drive DMA | J21 | pins 2 & 3 |
| | Acknowledge is DACK3 | | closed |
|---+-----------------------------+-------------+------------|
| » | Floppy drive Interrupt is | J22 | pins 1 & 2 |
| | IRQ6 | | closed |
|---+-----------------------------+-------------+------------|
| | Floppy drive Interrupt is | J22 | pins 2 & 3 |
| | IRQ10 | | closed |
|---+-----------------------------+-------------+------------|
| | 8K Buffer size | J23/ | pins 1 & 2 |
| | | | closed |
| | | J23/TP15 | |
| | | | closed |
|---+-----------------------------+-------------+------------|
| | 16K Buffer size | J23 | pins 1 & 2 |
| | | | closed |
| | | J23/TP15 | |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| J2/jumper 4, 6 & 7 are Not used. |
+------------------------------------------------------------+