UNIDENTIFIED
MULTI-I/O 286
Card Type |
Multi I/O card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
Unidentified |
I/O Options |
Serial port (2), Game port, Parallel port |
Data Bus |
8-bit ISA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial port A |
CN1 |
Game port |
CN3 |
Serial port B |
CN2 |
Parallel port |
CN4 |
USER CONFIGURABLE SETTINGS | ||
Function |
Label |
Position |
Parallel port disabled |
J1 |
Open |
Parallel port enabled |
J1 |
Closed |
Game port disabled |
J2 |
Open |
Game port enabled |
J2 |
Closed |
Serial port A disabled |
J3 |
Open |
Serial port A enabled |
J3 |
Closed |
Serial port B disabled |
J4 |
Open |
Serial port B enabled |
J4 |
Closed |
PARALLEL PORT ADDRESS SELECTION | ||
Setting |
Label |
Position |
LPT1 (378h) |
S1/3 |
Off |
LPT2 (278h) |
S1/3 |
On |
SERIAL PORT A ADDRESS SELECTION | |||
Setting |
S1/1 |
S1/2 | |
» |
COM1 (3F8h) |
Off |
Off |
COM3 (3E8h) |
Off |
On | |
COM5 (3E0h) |
On |
Off | |
COM7 (330h) |
On |
On |
SERIAL PORT B ADDRESS SELECTION | ||
Setting |
S1/4 |
S1/5 |
COM2 (2F8h) |
Off |
Off |
COM4 (2E8h) |
Off |
On |
COM6 (2E0h) |
On |
Off |
COM8 (2F0h) |
On |
On |
Note: Must install a 16450 chip in slot U2 to enable serial port B; Or - add 75188/1489 into U7 or 75189/1489 into U6. |
SERIAL PORT A INTERRUPT SELECTION | |||
IRQ |
S2/3 |
S2/4 | |
IRQ3 |
Off |
On | |
» |
IRQ4 |
On |
Off |
SERIAL PORT B INTERRUPT SELECTION | |||
IRQ |
S2/5 |
S2/6 | |
» |
IRQ3 |
Off |
On |
IRQ4 |
On |
Off |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ |
S2/1 |
S2/2 | |
IRQ5 |
Off |
On | |
» |
IRQ7 |
On |
Off |