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# UNIDENTIFIED
MULTI I/O PLUS CARD
Card Type Multi I/O card
Chipset/Controller Unknown
I/O Options Floppy drive interface, game port, parallel
port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Parallel port | CN1 | Serial port 1 | CN4 |
|---------------+----------+----------------------+----------|
| Game port | CN2 | Floppy drive | CN5 |
| | | interface | |
|---------------+----------+----------------------+----------|
| Serial port 2 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN4) | J1 |
|----------------------------+-------------------------------|
| COM1 | Pins 13 & 14 closed |
|----------------------------+-------------------------------|
| COM3 | Pins 11 & 13 closed |
|----------------------------+-------------------------------|
| Disabled | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 2 (CN3) | J1 |
|----------------------------+-------------------------------|
| COM2 | Pins 19 & 20 closed |
|----------------------------+-------------------------------|
| COM4 | Pins 17 & 19 closed |
|----------------------------+-------------------------------|
| Disabled | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 1 (CN4) | J1 |
|----------------------------+-------------------------------|
| IRQ4 | Pins 10 & 12 closed |
|----------------------------+-------------------------------|
| IRQ3 | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| Disabled | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 2 (CN3) | J1 |
|----------------------------+-------------------------------|
| IRQ3 | Pins 16 & 18 closed |
|----------------------------+-------------------------------|
| IRQ4 | Pins 15 & 16 closed |
|----------------------------+-------------------------------|
| Disabled | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | J1 |
|----------------------------+-------------------------------|
| » | 1 | Pins 7 & 8 closed |
|---+------------------------+-------------------------------|
| | 2 | Pins 5 & 7 closed |
|---+------------------------+-------------------------------|
| | Disabled | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| Port | J1 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 1 & 2 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMER CONFIGURATION |
|------------------------------------------------------------|
| Setting | J1 |
|-----------------------------+------------------------------|
| Timer 1 enabled | Pins 3 & 4 closed |
|-----------------------------+------------------------------|
| Timer 2 enabled | Pins 4 & 6 closed |
|-----------------------------+------------------------------|
| Disabled | All open |
+------------------------------------------------------------+