UNIDENTIFIED
286 AT I/O II CARD
|
Card Type |
Multi I/O card |
|
Chipset/Controller |
Unknown |
|
I/O Options |
Game port, parallel port, serial ports (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Game port |
CN1 |
Serial port 1 |
CN3 |
|
Serial port 2 |
CN2 |
Parallel port |
CN4 |
|
SERIAL PORT ADDRESS CONFIGURATION | |||
|
Port 1 (CN3) |
Port 2 (CN2) |
JP1/A |
JP1/B |
|
COM1 |
COM2 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
COM2 |
COM1 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
SERIAL PORT INTERRUPT SELECTION | |||
|
Port 1 (CN3) |
Port 2 (CN2) |
JP2/A |
JP2/B |
|
IRQ4 |
IRQ3 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
IRQ3 |
IRQ4 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
PARALLEL PORT INTERRUPT SELECTION | |||
|
IRQ |
JP3 |
JP5/A |
JP5/B |
|
7 |
Open |
Open |
Closed |
|
5 |
Closed |
Closed |
Open |
|
Note: For XT compatible models, both of the above settings yield a setting of IRQ7. | |||