SIIG, INC.
I/O EXPANDER 2S
Card Type |
Serial card |
Chipset Controller |
16550 |
I/O Options |
Serial ports (2) |
Maximum DRAM |
N/A |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
25-pin serial port |
SE1 |
9-pin serial port |
SE2 |
SERIAL PORT 1 CONFIGURATION | |||||
COM |
S2/A |
S2/B |
S2/C |
S2/D | |
COM1 (3F8h-3FFh) |
Open |
Open |
Open |
Closed | |
COM2 (2F8h-2FFh) |
Open |
Open |
Closed |
Open | |
COM3 (3E8h-3EFh) |
Open |
Closed |
Open |
Open | |
COM4 (2E8h-2EFh) |
Closed |
Open |
Open |
Open | |
Disabled |
Open |
Open |
Open |
Open |
SERIAL PORT 1 INTERRUPT SELECTION | ||||||||||
IRQ |
JP3/A |
JP3/B |
JP3/C |
JP3/D |
JP3/E |
JP3/F |
JP3/G |
JP3/H |
JP3/I | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
2/9 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
Disabled |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
SERIAL PORT 2 CONFIGURATION | |||||
COM |
S1/A |
S1/B |
S1/C |
S1/D | |
COM2 (2F8h-2FFh) |
Open |
Open |
Closed |
Open | |
COM1 (3F8h-3FFh) |
Open |
Open |
Open |
Closed | |
COM3 (3E8h-3EFh) |
Open |
Closed |
Open |
Open | |
COM4 (2E8h-2EFh) |
Closed |
Open |
Open |
Open | |
Disabled |
Open |
Open |
Open |
Open |
SERIAL PORT 2 INTERRUPT SELECTION | ||||||||||
IRQ |
JP1/A |
JP1/B |
JP1/C |
JP1/D |
JP1/E |
JP1/F |
JP1/G |
JP1/H |
JP1/I | |
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
2/9 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
7 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
10 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
11 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
12 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
Disabled |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
SERIAL PORT 2 ACTIVATION | |
Chip |
Socket |
16550 |
U7 |
1489 |
U9 |
1488 |
U12 |
Note: To activate serial port 2 upgrade chips must be installed. |