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 |