SIIG, INC.
TWINCOM PROFESSIONAL
|
Card Type |
Serial card |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
10-pin serial port interface |
JP2 |
25-pin serial port connector |
S1 |
|
SERIAL PORT 1 CONFIGURATION | |||||
|
COM |
JP3/A |
JP3/B |
JP3/C |
JP3/D | |
|
COM1 (3F8h-3FFh) |
Pins 1 & 2 closed |
Open |
Open |
Open | |
|
COM2 (2F8h-2FFh) |
Open |
Pins 1 & 2 closed |
Open |
Open | |
|
COM3 (3E8h-3EFh) |
Open |
Open |
Pins 1 & 2 closed |
Open | |
|
COM4 (2E8h-2EFh) |
Open |
Open |
Open |
Pins 1 & 2 closed | |
|
Disabled |
Open |
Open |
Open |
Open | |
|
SERIAL PORT 1 INTERRUPT SELECTION | |||||
|
IRQ |
JP4/A |
JP4/B |
JP4/C |
JP4/D | |
|
4 |
PIns 1 & 2 closed |
Open |
Open |
Open | |
|
2/9 |
Pins 2 & 3 closed |
Open |
Open |
Open | |
|
3 |
Open |
Pins 2 & 3 closed |
Open |
Open | |
|
5 |
Open |
Pins 1 & 2 closed |
Open |
Open | |
|
Disabled |
Open |
Open |
Open |
Open | |
|
SERIAL PORT 2 CONFIGURATION | |||||
|
COM |
JP3/A |
JP3/B |
JP3/C |
JP3/D | |
|
Disabled |
Open |
Open |
Open |
Open | |
|
COM1 (3F8h-3FFh) |
Pins 2 & 3 closed |
Open |
Open |
Open | |
|
COM2 (2F8h-2FFh) |
Open |
Pins 2 & 3 closed |
Open |
Open | |
|
COM3 (3E8h-3EFh) |
Open |
Open |
Pins 2 & 3 closed |
Open | |
|
COM4 (2E8h-2EFh) |
Open |
Open |
Open |
Pins 2 & 3 closed | |
|
SERIAL PORT 2 INTERRUPT SELECTION | |||||
|
IRQ |
JP4/A |
JP4/B |
JP4/C |
JP4/D | |
|
Disabled |
Open |
Open |
Open |
Open | |
|
2/9 |
Open |
Open |
Pins 2 & 3 closed |
Open | |
|
3 |
Open |
Open |
Open |
Pins 2 & 3 closed | |
|
4 |
Open |
Open |
Pins 1 & 2 closed |
Open | |
|
5 |
Open |
Open |
Open |
Pins 1 & 2 closed | |
|
SERIAL PORT 2 ACTIVATION | |
|
Chip |
Socket |
|
16550 |
U2 |
|
1488 |
U4 |
|
1489 |
U6 |
|
Note: To activate serial port 2 upgrade chips must be installed. | |