AST RESEARCH, INC.
I/O MINI EXPANSION I/O CARD
Card Type |
Parallel card, Serial card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
None |
I/O Options |
Parallel port, serial ports (2) |
Data Bus |
8-bit ISA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial port 1 |
J1 |
Serial port 2 |
J3 |
Parallel port |
J2 |
PARALLEL PORT ADDRESS SELECTION | ||||
Setting |
E1 |
E2 |
E3 | |
LPT1 |
Closed |
Open |
Open | |
» |
LPT2 |
Open |
Closed |
Open |
LPT3 |
Open |
Open |
Closed |
ADDRESS SELECTION | ||||
Setting |
E6 |
E7 |
E8 | |
» |
COM1 |
Closed |
Open |
Open |
COM2 |
Open |
Open |
Closed |
INTERRUPT SELECTION | |||||
IRQ |
E4 |
E5 |
E9 |
E10 | |
» |
IRQ3 |
Closed |
Open |
Closed |
Open |
IRQ4 |
Open |
Closed |
Open |
Open | |
IRQ7 |
Open |
Open |
Open |
Closed | |
Note: IRQ3 enabled if second serial port is installed. |