SIIG, INC.
TWINCOM A.2
|
Card Type |
Serial interface |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Serial ports (2) |
|
Maximum Dram |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
J1 |
Serial port 2 |
J2 |
|
PORT 1 CONFIGURATION | |
|
Port |
jP3 |
|
COM1 |
Pins 5 & 9 closed |
|
COM2 |
Pins 6 & 10 closed |
|
COM3 |
Pins 7 & 11 closed |
|
COM4 |
Pins 8 & 12 closed |
|
Disabled |
Open |
|
PORT 1 INTERRUPT CONFIGURATION | |
|
IRQ |
jP4 |
|
2 |
Pins 1 & 5 closed |
|
3 |
Pins 2 & 6 closed |
|
4 |
Pins 5 & 9 closed |
|
5 |
Pins 6 & 10 closed |
|
Disabled |
Open |
|
PORT 2 CONFIGURATION | |
|
Port |
jP3 |
|
COM1 |
Pins 1 & 5 closed |
|
COM2 |
Pins 2 & 6 closed |
|
COM3 |
Pins 3 & 7 closed |
|
COM4 |
Pins 4 & 8closed |
|
Disabled |
Open |
|
PORT 2 INTERRUPT CONFIGURATION | |
|
IRQ |
jP4 |
|
2 |
Pins 3 & 7 closed |
|
3 |
Pins 4 & 8 closed |
|
4 |
Pins 7 & 11 closed |
|
5 |
Pins 8 & 12 closed |
|
Disabled |
Open |
|
SECOND SERIAL PORT ACTIVATION | |
|
To activate the second serial port, the following chips must be installed: | |
|
Chip |
Socket |
|
16450 ASIC |
U1 |
|
1488 |
U2 |
|
1489 |
U3 |