UNIDENTIFIED
IOS (IOSA) VERSION 3.0
Card Type | Multi I/O card |
Chipset/Controller | National Semiconductor |
I/O Options | Game port, parallel port, serial ports (2) |
Maximum DRAM | N/A |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port 1 | J1 | Serial port 2 | P1 |
Parallel port | J2 | Game port | P2 |
SERIAL PORT CONFIGURATION | ||||||
Port 1 (J1) | IRQ | C1 | C2 | C3 | C4 | |
» | COM1 | 4 | Closed | Open | Open | Open |
COM2 | 3 | Open | Closed | Open | Open | |
COM3 | 2 | Open | Open | Closed | Open | |
COM4 | 5 | Open | Open | Open | Closed |
SERIAL PORT CONFIGURATION | ||||||
Port 2 (P1) | IRQ | C5 | C6 | C7 | C8 | |
» | COM2 | 3 | Open | Closed | Open | Open |
COM1 | 4 | Closed | Open | Open | Open | |
COM3 | 2 | Open | Open | Closed | Open | |
COM4 | 5 | Open | Open | Open | Closed |
PARALLEL PORT CONFIGURATION | |||||
LPT | IRQ | L1 | L2 | L3 | |
» | 1 | 7 | Closed | Open | Open |
2 | 7 | Open | Closed | Open | |
3 | 5 | Open | Open | Closed |