TEXT View Source
# UNIDENTIFIED
MT-456
Card Type Multi I/O card
Chipset/Controller Unidentified
I/O Options Parallel port, serial ports (2), game port
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Serial port 2 - | J3 | Game port | J5 |
| internal | | | |
|----------------------+----------+---------------+----------|
| Serial port 1 - | J4 | Parallel port | J6 |
| internal | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | J1/JP1 | J1/JP2 |
|-----------------+---------------------+--------------------|
| » | COM1/3F8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | COM3/3E8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | Disabled | N/A | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J2/A | J2/B | J2/C | J2/D |
|----------+------------+------------+-----------+-----------|
| » | IRQ4 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | open | 3 open | 3 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | open | closed | 3 open | 3 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ5 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | open | open | 3 closed | 3 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ9 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | open | open | 3 open | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | J1/JP3 | J1/JP4 |
|-----------------+---------------------+--------------------|
| » | COM2/2F8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | COM4/2E8h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | Disabled | N/A | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J2/A | J2/B | J2/C | J2/D |
|----------+------------+------------+-----------+-----------|
| » | IRQ3 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & |
| | | open | closed | 2 open | 2 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & |
| | | closed | open | 2 open | 2 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ5 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & |
| | | open | open | 2 closed | 2 open |
|---+------+------------+------------+-----------+-----------|
| | IRQ9 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & |
| | | open | open | 2 open | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT/Address | J1/JP5 | J1/JP6 |
|-----------------+---------------------+--------------------|
| » | LPT1/378h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | LPT2/278h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+-------------+---------------------+--------------------|
| | Disabled | N/A | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J2/E |
|----------------------------+-------------------------------|
| IRQ5 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| IRQ7 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT |
|------------------------------------------------------------|
| Setting | J1/JP7 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Disabled | Pins 2 & 3 closed |
+------------------------------------------------------------+