VIVA COMPUTER COMPANY
DUAL SERIAL CARD
Card Type | Serial |
Chipset Controller | Unidentified |
I/O Options | Serial port (2) |
Maximum Dram | N/A |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
9-pin serial port | CN1 | 10-pin serial port | CN2 |
SERIAL PORT 1 SELECT | |||||
COM | JP1/A | JP1/B | JP1/C | JP1/D | |
» | COM1 | Pins 1 & 2 closed | Pins 1 & 2 open | Pins 1 & 2 open | Pins 1 & 2 open |
COM2 | Pins 1 & 2 open | Pins 1 & 2 closed | Pins 1 & 2 open | Pins 1 & 2 open | |
COM3 | Pins 1 & 2 open | Pins 1 & 2 open | Pins 1 & 2 closed | Pins 1 & 2 open | |
COM4 | Pins 1 & 2 open | Pins 1 & 2 open | Pins 1 & 2 open | Pins 1 & 2 closed |
SERIAL PORT 2 SELECT | |||||
COM | JP1/A | JP1/B | JP1/C | JP1/D | |
» | COM1 | Pins 2 & 3 closed | Pins 2 & 3 open | Pins 2 & 3 open | Pins 2 & 3 open |
COM2 | Pins 2 & 3 open | Pins 2 & 3 closed | Pins 2 & 3 open | Pins 2 & 3 open | |
COM3 | Pins 2 & 3 open | Pins 2 & 3 open | Pins 2 & 3 closed | Pins 2 & 3 open | |
COM4 | Pins 2 & 3 open | Pins 2 & 3 open | Pins 2 & 3 open | Pins 2 & 3 closed |
SERIAL PORT 1 SELECT | ||
IRQ | JP2/A | |
» | IRQ3 | Pins 2 & 3 open |
IRQ4 | Pins 1 & 2 closed |
SERIAL PORT 2 SELECT | ||
IRQ | JP2/B | |
» | IRQ4 | Pins 1 & 2 closed |
IRQ3 | Pins 2 & 3 open |