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# ADVANCED MICROCOMPUTER SYSTEMS, INC.
422/485PC-40/DB9
Card Type Serial card
Chip Set Unidentified
Maximum Onboard Memory N/A
I/O Options Serial ports (4)
Data Bus 16-bit ISA
Floppy drives supported N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| 9-pin serial port 1 | CN1 | 10-pin serial port 4 | CN3 |
|---------------------+-------+----------------------+-------|
| 9-pin serial port 2 | CN2 | 10-pin serial port 3 | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Setting | J7/A |
|-------------------------------------+----------------------|
| » | COM1 (3F8h) | Closed |
|-------+-----------------------------+----------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Setting | J7/B |
|-------------------------------------+----------------------|
| » | COM2 (2F8h) | Closed |
|-------+-----------------------------+----------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Setting | J7/C |
|-------------------------------------+----------------------|
| » | COM3 (3E8h) | Closed |
|-------+-----------------------------+----------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Setting | J7/D |
|-------------------------------------+----------------------|
| » | COM4 (2E8h) | Closed |
|-------+-----------------------------+----------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP1/A | SP1/B | SP1/C | SP1/D | SP1/E | SP1/F |
|-------+--------+--------+--------+--------+--------+-------|
| | 2/9 | 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 |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 14 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | SP1/G | SP1/H | SP1/I | SP1/J | SP1/K |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | 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 |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP2/A | SP2/B | SP2/C | SP2/D | SP2/E | SP2/F |
|-------+--------+--------+--------+--------+--------+-------|
| | 2/9 | 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 |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 14 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | SP2/G | SP2/H | SP2/I | SP2/J | SP2/K |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | 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 |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP3/A | SP3/B | SP3/C | SP3/D | SP3/E | SP3/F |
|-------+--------+--------+--------+--------+--------+-------|
| | 2/9 | 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 |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 14 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | SP3/G | SP3/H | SP3/I | SP3/J | SP3/K |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | 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 |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SP4/A | SP4/B | SP4/C | SP4/D | SP4/E | SP4/F |
|-------+--------+--------+--------+--------+--------+-------|
| | 2/9 | 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 |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 14 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | SP4/G | SP4/H | SP4/I | SP4/J | SP4/K |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | 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 |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+