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# AST RESEARCH, INC.
I/O MINI EXPANSION I/O CARD
Card Type Parallel card, Serial card
Chip Set Unidentified
Maximum Onboard Memory None
I/O Options Parallel port, serial ports (2)
Data Bus 8-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Serial port 1 | J1 | Serial port 2 | J3 |
|----------------------+-------+---------------------+-------|
| Parallel port | J2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | E1 | E2 | E3 |
|----------------+--------------+--------------+-------------|
| | LPT1 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| » | LPT2 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | LPT3 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | E6 | E7 | E8 |
|-----------------+--------------+------------+--------------|
| » | COM1 | Closed | Open | Open |
|---+-------------+--------------+------------+--------------|
| | COM2 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E4 | E5 | E9 | E10 |
|---------------+-----------+----------+----------+----------|
| » | IRQ3 | Closed | Open | Closed | Open |
|-----+---------+-----------+----------+----------+----------|
| | IRQ4 | Open | Closed | Open | Open |
|-----+---------+-----------+----------+----------+----------|
| | IRQ7 | Open | Open | Open | Closed |
|------------------------------------------------------------|
| Note: IRQ3 enabled if second serial port is |
| installed. |
+------------------------------------------------------------+