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# ADAPTEC, INC.
ACB-2320D, ACB-2322D
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|---------------+--------------------------------------------|
| Size: | Half-length, full-height card |
|---------------+--------------------------------------------|
| Hard drives | Two RLL ESDI drives |
| supported: | |
|---------------+--------------------------------------------|
| Floppy drives | ACB-2320D: None |
| supported: | |
| | ACB-2322D: Two 360KB, 720KB, 1.2MB, 1.44MB |
| | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|--------------------------------------------+---------------|
| 4-pin connector-drive active LED | J1 |
|--------------------------------------------+---------------|
| 20-pin data cable connector-drive 1 | J2 |
|--------------------------------------------+---------------|
| 20-pin data cable connector-drive 0 | J3 |
|--------------------------------------------+---------------|
| 34-pin control cable connector-hard drive | J4 |
|--------------------------------------------+---------------|
| 34-pin data cable connector-floppy drive | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-------------------------------+--------------+-------------|
| » | Not used | J7/jumper 1 | open |
|---+---------------------------+--------------+-------------|
| » | Logical drive splitting | J7/jumper 2 | open |
| | option disabled | | |
|---+---------------------------+--------------+-------------|
| | Logical drive splitting | J7/jumper 2 | closed |
| | option enabled | | |
|---+---------------------------+--------------+-------------|
| » | Not used | J7/jumper 3 | open |
|---+---------------------------+--------------+-------------|
| » | Not used | J7/jumper 4 | open |
|---+---------------------------+--------------+-------------|
| » | Read ahead cache enabled | J7/jumper 5 | open |
|---+---------------------------+--------------+-------------|
| | Read ahead cache | J7/jumper 5 | closed |
| | disabled | | |
|---+---------------------------+--------------+-------------|
| » | Not used | J7/jumper 6 | open |
|---+---------------------------+--------------+-------------|
| » | Not used | J7/jumper 7 | open |
|---+---------------------------+--------------+-------------|
| » | Hard drive port address | J10/jumper | open |
| | is 1F0-1F7h | 1 | |
|---+---------------------------+--------------+-------------|
| | Hard drive port address | J10/jumper | closed |
| | is 170-177h | 1 | |
|---+---------------------------+--------------+-------------|
| » | Floppy drive port | J10/jumper | open |
| | address is 3F0-3F7h | 2 | |
|---+---------------------------+--------------+-------------|
| | Floppy drive port | J10/jumper | closed |
| | address is 370-377h | 2 | |
|---+---------------------------+--------------+-------------|
| » | Floppy drive enabled | J10/jumper | open |
| | | 3 | |
|---+---------------------------+--------------+-------------|
| | Floppy drive disabled | J10/jumper | closed |
| | | 3 | |
|---+---------------------------+--------------+-------------|
| » | Single-speed floppy | J11/jumper | open |
| | enabled | 1 | |
|---+---------------------------+--------------+-------------|
| | Dual-speed floppy | J11/jumper | closed |
| | enabled | 1 | |
|---+---------------------------+--------------+-------------|
| » | Hard Drive Interrupt is | J13 | pins 1 & 2 |
| | IRQ14 | | closed |
|---+---------------------------+--------------+-------------|
| | Hard Drive Interrupt is | J13 | pins 2 & 3 |
| | IRQ15 | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS |
|------------------------------------------------------------|
| Address | J12/jumper 1 | J12/jumper 2 | J12/jumper 3 |
|---------------+--------------+--------------+--------------|
| » | C8000h | open | open | open |
|---+-----------+--------------+--------------+--------------|
| | CC000h | closed | open | open |
|---+-----------+--------------+--------------+--------------|
| | D0000h | open | closed | open |
|---+-----------+--------------+--------------+--------------|
| | D4000h | closed | closed | open |
|---+-----------+--------------+--------------+--------------|
| | Disabled | open | open | closed |
|---+-----------+--------------+--------------+--------------|
| | D8000h | closed | open | closed |
|---+-----------+--------------+--------------+--------------|
| | DC000h | open | closed | closed |
+------------------------------------------------------------+