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# UNIDENTIFIED
BABY I/O CARD MT-881
Card Type Multi I/O card
Chipset/Controller N/A
I/O Options Clock, floppy drive interface, game port,
parallel port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Serial port 1 | CN1 | Parallel port | CN4 |
|---------------+----------+----------------------+----------|
| Serial port 2 | CN2 | Floppy drive | JP4 |
| | | interface | |
|---------------+----------+----------------------+----------|
| Game port | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN1) | Port 2 (CN2) | JP5 |
|--------------+--------------+------------------------------|
| » | COM1 | COM2 | Pins 9 & 10, 13 & 14, 15 & |
| | | | 16, 19 & 20 closed |
|---+----------+--------------+------------------------------|
| | COM1 | COM4 | Pins 9 & 10, 13 & 14, 15 & |
| | | | 16, 17 & 19 closed |
|---+----------+--------------+------------------------------|
| | COM3 | COM2 | Pins 9 & 10, 11 & 13, 15 & |
| | | | 16, 19 & 20 closed |
|---+----------+--------------+------------------------------|
| | COM3 | COM4 | Pins 9 & 10, 11 & 13, 15 & |
| | | | 16, 17 & 19 closed |
|---+----------+--------------+------------------------------|
| | Disabled | COM2 | Pins 15 & 16, 19 &20 closed |
|---+----------+--------------+------------------------------|
| | Disabled | COM4 | Pins 15 & 16, 17 & 19 closed |
|---+----------+--------------+------------------------------|
| | COM1 | Disabled | Pins 9 & 10, 13 & 14 closed |
|---+----------+--------------+------------------------------|
| | COM3 | Disabled | Pins 9 & 10, 11 & 13 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP5 |
|----------------------------+-------------------------------|
| » | 1 | Pins 7 & 8 closed |
|---+------------------------+-------------------------------|
| | 2 | Pins 5 & 7 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 5, 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 1 & 2 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 4 & 6 closed |
+------------------------------------------------------------+