TEXT View Source
# ADAPTEC, INC.
AHA-1540
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit ISA |
|--------------------------+---------------------------------|
| Size: | Full-length, full-height card |
|--------------------------+---------------------------------|
| Hard drive supported: | Up to seven SCSI drives |
|--------------------------+---------------------------------|
| Floppy drives supported: | None |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------+-------------------|
| 50-pin SCSI connector - internal | CN1 |
|----------------------------------------+-------------------|
| 2-pin connector - drive active LED | LED |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| » | Synchronous negotiation disabled | J1/A | open |
|---+-----------------------------------+----------+---------|
| | Synchronous negotiation enabled | J1/A | closed |
|---+-----------------------------------+----------+---------|
| » | Factory configured - do not alter | J1/B | open |
|---+-----------------------------------+----------+---------|
| » | Parity enabled | J1/C | open |
|---+-----------------------------------+----------+---------|
| | Parity disabled | J1/C | closed |
|---+-----------------------------------+----------+---------|
| » | Wait state disabled | J4 | N/A |
|---+-----------------------------------+----------+---------|
| | Wait state enabled | J4 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | J1/D | J1/E | J1/F |
|---------------+--------------+--------------+--------------|
| » | 7 | open | open | open |
|----+----------+--------------+--------------+--------------|
| | 0 | closed | closed | closed |
|----+----------+--------------+--------------+--------------|
| | 1 | open | closed | closed |
|----+----------+--------------+--------------+--------------|
| | 2 | closed | open | closed |
|----+----------+--------------+--------------+--------------|
| | 3 | open | open | closed |
|----+----------+--------------+--------------+--------------|
| | 4 | closed | closed | open |
|----+----------+--------------+--------------+--------------|
| | 5 | open | closed | open |
|----+----------+--------------+--------------+--------------|
| | 6 | closed | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | J1/G | J1/H | J6/A | J6/B | J6/C |
|----------+---------+---------+---------+---------+---------|
| » | 5 | open | closed | open | closed | open |
|----+-----+---------+---------+---------+---------+---------|
| | 0 | closed | closed | closed | open | open |
|----+-----+---------+---------+---------+---------+---------|
| | 6 | closed | open | open | open | closed |
|----+-----+---------+---------+---------+---------+---------|
| | 7 | open | open | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION (CON’T) |
|------------------------------------------------------------|
| Channel | J6/D | J7/A | J7/B | J7/C | J7/D |
|----------+---------+---------+---------+---------+---------|
| » | 5 | open | open | closed | open | open |
|----+-----+---------+---------+---------+---------+---------|
| | 0 | open | closed | open | open | open |
|----+-----+---------+---------+---------+---------+---------|
| | 6 | open | open | open | closed | open |
|----+-----+---------+---------+---------+---------+---------|
| | 7 | closed | open | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J1/I | J1/J | J1/K | J8/A | J8/B |
|---------------+--------+--------+--------+--------+--------|
| » | 11 | open | closed | open | open | open |
|---+-----------+--------+--------+--------+--------+--------|
| | 9 | open | open | open | closed | open |
|---+-----------+--------+--------+--------+--------+--------|
| | 10 | closed | open | open | open | closed |
|---+-----------+--------+--------+--------+--------+--------|
| | 12 | closed | closed | open | open | open |
|---+-----------+--------+--------+--------+--------+--------|
| | 14 | open | open | closed | open | open |
|---+-----------+--------+--------+--------+--------+--------|
| | 15 | closed | open | closed | open | open |
|---+-----------+--------+--------+--------+--------+--------|
| | Not | open | closed | closed | N/A | N/A |
| | defined | | | | | |
|---+-----------+--------+--------+--------+--------+--------|
| | Not | closed | closed | closed | N/A | N/A |
| | defined | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | J8/C | J8/D | J8/E | J8/F |
|------------+-----------+-----------+-----------+-----------|
| » | 11 | closed | open | open | open |
|---+--------+-----------+-----------+-----------+-----------|
| | 9 | open | open | open | open |
|---+--------+-----------+-----------+-----------+-----------|
| | 10 | open | open | open | open |
|---+--------+-----------+-----------+-----------+-----------|
| | 12 | open | closed | open | open |
|---+--------+-----------+-----------+-----------+-----------|
| | 14 | open | open | closed | open |
|---+--------+-----------+-----------+-----------+-----------|
| | 15 | open | open | open | closed |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| PORT ADDRESS SELECTION |
|---------------------------------------------------------------|
|Address| J9/A | J9/B | J9/C | J9/D | J9/E | J9/F | J9/G | J9/H |
|-------+------+------+------+------+------+------+------+------|
|» |330h| open | open |closed|closed| open | open |closed|closed|
|--+----+------+------+------+------+------+------+------+------|
| |004h|closed| open | open | open | open | open | open | open |
|--+----+------+------+------+------+------+------+------+------|
| |008h| open |closed| open | open | open | open | open | open |
|--+----+------+------+------+------+------+------+------+------|
| |010h| open | open |closed| open | open | open | open | open |
|--+----+------+------+------+------+------+------+------+------|
| |020h| open | open | open |closed| open | open | open | open |
|--+----+------+------+------+------+------+------+------+------|
| |040h| open | open | open | open |closed| open | open | open |
|--+----+------+------+------+------+------+------+------+------|
| |080h| open | open | open | open | open |closed| open | open |
|--+----+------+------+------+------+------+------+------+------|
| |100h| open | open | open | open | open | open |closed| open |
|--+----+------+------+------+------+------+------+------+------|
| |200h| open | open | open | open | open | open | open |closed|
+---------------------------------------------------------------+
+------------------------------------------------------------+
| AT BIOS ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | J10/A | J10/B | J10/C |
|------------------+--------------+------------+-------------|
| » | DC000h | open | open | open |
|---+--------------+--------------+------------+-------------|
| | C8000h | closed | open | closed |
|---+--------------+--------------+------------+-------------|
| | D8000h | open | open | closed |
|---+--------------+--------------+------------+-------------|
| | CC000h | closed | open | open |
+------------------------------------------------------------+