TEXT View Source
# AST RESEARCH, INC.
I/O PLUS II
Card Type Multi I/O card
Chipset Unidentified
Controller
I/O Options Apple game connector (2), IBM game connector,
parallel port, serial port (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Serial port 1 | CN1 | Apple II game | J5 |
| (DTE) | | connector | |
|----------------+----------+---------------------+----------|
| Serial port 2 | J2 | Apple II game | J6 |
| (DTE) | | connector | |
|----------------+----------+---------------------+----------|
| Serial port 2 | J3 | IBM game connector | J7 |
| (DCE) | | | |
|----------------+----------+---------------------+----------|
| Parallel port | J4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL 1 PORT CONFIGURATION |
|------------------------------------------------------------|
| COM | IRQ | J8/A | J8/B | J9/D | J9/E |
|----------+-------+----------+----------+---------+---------|
| COM 1 | 4 | Closed | Open | Closed | Open |
|----------+-------+----------+----------+---------+---------|
| COM 2 | 3 | Open | Closed | Open | Closed |
|----------+-------+----------+----------+---------+---------|
| Disabled | N/A | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Setting | IRQ | J8/C | J9/F |
|---------------+------------+---------------+---------------|
| Enabled | 3S | Closed | Closed |
|---------------+------------+---------------+---------------|
| Disabled | N/A | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 DTE/DCE CONFIGURATION |
|------------------------------------------------------------|
| Setting | C16 |
|----------------------------+-------------------------------|
| DCE | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| DTE | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port | IRQ | J8/D | J8/E | J9/A |
|------------+---------+------------+------------+-----------|
| 1 (LPT1) | 7 | Open | Closed | Closed |
|------------+---------+------------+------------+-----------|
| 2 (LPT2) | 7 | Closed | Open | Closed |
|------------+---------+------------+------------+-----------|
| Disabled | N/A | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | J8/F |
|-------------------------------+----------------------------|
| Enabled | Closed |
|-------------------------------+----------------------------|
| Disabled | Open |
|------------------------------------------------------------|
| Note: There are two types of game ports on this card, an |
| IBM & Apple type. When enabling the Apple game port (2) |
| you must install a chip (74LS05) at U1. This chip must |
| be removed when enabling the IBM game port. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper | Position |
|-----------------------------+------------------------------|
| J9/B | N/A |
|-----------------------------+------------------------------|
| J9/C | N/A |
|-----------------------------+------------------------------|
| J9/G | N/A |
|-----------------------------+------------------------------|
| J9/H | N/A |
+------------------------------------------------------------+