AST RESEARCH, INC.
I/O PLUS
|
Card Type |
Multi-I/O card |
|
Chip Set |
8250 |
|
Maximum Onboard Memory |
Unidentified |
|
I/O Options |
Parallel port, serial port, DTE connector, DCE connector |
|
Data Bus |
8-bit ISA |
|
Floppy drives supported |
None |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Serial port |
J1 |
DCE connector |
J3 |
|
DTE connector |
J2 |
Parallel printer port |
J4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
DTE enabled |
JP1 |
Pins 1 & 2 closed | |
|
DCE enabled |
JP1 |
Pins 3 & 4 closed | |
| » |
Factory configured - do not alter |
C1 |
Unidentified |
| » |
Factory configured - do not alter |
C2 |
Unidentified |
|
Serial port enabled |
S2 |
Closed | |
|
Serial port disabled |
S2 |
Open | |
| » |
Factory configured - do not alter |
P1 |
Unidentified |
| » |
Factory configured - do not alter |
P2 |
Unidentified |
|
INTERRUPT SELECTION | |||||||
|
IRQ |
2S |
2C |
3S |
3 |
4 |
5S |
5C |
|
IRQ2 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
|
IRQ2(B) |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
|
IRQ3 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
|
IRQ3(B) |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
|
IRQ4 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
|
IRQ5 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
|
IRQ5(B) |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
|
RAM CONFIGURATION |
|
Note: The size and configuration of the memory is unidentified. |