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. |