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. | |||||