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# ADVANCED MICROCOMPUTER SYSTEMS, INC.
SUPER I/O 21 (NP)
Card Type Multi-I/O card
Chip Set Unidentified
Maximum Onboard Memory Unidentified
I/O Options Parallel port, serial ports (2)
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Parallel port | J1 | Serial port 2 | J4 |
|----------------------+-------+---------------------+-------|
| Serial port 1 | J2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J5/A | J5/B |
|------------------------+-----------------+-----------------|
| » | LPT2 (278h) | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | LPT3 (3BCh) | Closed | Open |
|---+--------------------+-----------------+-----------------|
| | Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J6/A | J6/B |
|------------------------+-----------------+-----------------|
| » | COM2 (2F8h) | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | COM4 (2E8h) | Closed | Open |
|---+--------------------+-----------------+-----------------|
| | Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | J7/A | J7/B |
|------------------------+-----------------+-----------------|
| | COM1 (3F8h) | Closed | Open |
|---+--------------------+-----------------+-----------------|
| » | COM3 (3E8h) | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP1/A | SP1/B | SP1/C | SP1/D | SP1/E | SP1/F |
|------+--------+--------+--------+--------+--------+--------|
| | 2 | Closed | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 3 | Open | Closed | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
|»| 4 | Open | Open | Closed | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 5 | Open | Open | Open | Closed | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 6 | Open | Open | Open | Open | Closed | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 7 | Open | Open | Open | Open | Open | Closed |
|-+----+--------+--------+--------+--------+--------+--------|
| | 10 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 11 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 12 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 15 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 14 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION (CONTINUED) |
|------------------------------------------------------------|
| IRQ | SP1/G | SP1/H | SP1/I | SP1/J | SP1/K |
|----------+---------+---------+---------+---------+---------|
| | 2 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 3 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| » | 4 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP2/A | SP2/B | SP2/C | SP2/D | SP2/E | SP2/F |
|------+--------+--------+--------+--------+--------+--------|
| | 2 | Closed | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
|»| 3 | Open | Closed | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 4 | Open | Open | Closed | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 5 | Open | Open | Open | Closed | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 6 | Open | Open | Open | Open | Closed | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 7 | Open | Open | Open | Open | Open | Closed |
|-+----+--------+--------+--------+--------+--------+--------|
| | 10 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 11 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 12 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 15 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 14 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION (CONTINUED) |
|------------------------------------------------------------|
| IRQ | SP2/G | SP2/H | SP2/I | SP2/J | SP2/K |
|----------+---------+---------+---------+---------+---------|
| | 2 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| » | 3 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 4 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | PP1/A | PP1/B | PP1/C | PP1/D | PP1/E | PP1/F |
|------+--------+--------+--------+--------+--------+--------|
| | 2 | Closed | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 3 | Open | Closed | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 4 | Open | Open | Closed | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 5 | Open | Open | Open | Closed | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 6 | Open | Open | Open | Open | Closed | Open |
|-+----+--------+--------+--------+--------+--------+--------|
|»| 7 | Open | Open | Open | Open | Open | Closed |
|-+----+--------+--------+--------+--------+--------+--------|
| | 10 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 11 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 12 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 15 | Open | Open | Open | Open | Open | Open |
|-+----+--------+--------+--------+--------+--------+--------|
| | 14 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION (CONTINUED) |
|------------------------------------------------------------|
| IRQ | PP1/G | PP1/H | PP1/I | PP1/J | PP1/K |
|----------+---------+---------+---------+---------+---------|
| | 2 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 3 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 4 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| » | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+