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# UNIDENTIFIED
MT-881
Card Type Multi I/O
Chipset Unidentified
Controller
I/O Options Parallel port (1), Serial port (1), 360KB, 720KB
drives (2), Game Port (1)
Maximum Dram N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| 25-pin parallel | CN1 | 10-pin serial | CN4 |
| port | | port internal | |
|---------------------+----------+----------------+----------|
| 15-pin game port | CN2 | 34-pin floppy | CN5 |
| | | drive | |
|---------------------+----------+----------------+----------|
| 10-pin serial port | CN3 | | |
| internal | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT SELECT |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| Enabled | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 1 & 2 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT SELECT |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| LPT1 enabled | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| LPT2 enabled | Pins 5 & 7 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 5 & 7 & 8 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 PORT SELECT |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| COM1 | Pins 9 & 10, 13 & 14 closed |
|----------------------------+-------------------------------|
| COM3 | Pins 9 & 10, 11 & 13 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 PORT SELECT |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| COM2 | Pins 16 & 15, 20 & 19 closed |
|----------------------------+-------------------------------|
| COM4 | Pins 16 & 15, 17 & 19 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMER SELECT |
|------------------------------------------------------------|
| Setting | JP5 |
|----------------------------+-------------------------------|
| Enable | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| Disable | Pins 3 & 4 open |
+------------------------------------------------------------+