UNIDENTIFIED
RS-232 CARD
| 
 Card Type  | 
 Serial card  | 
| 
 Chipset/Controller  | 
 Unknown  | 
| 
 I/O Options  | 
 Serial ports (2)  | 
| 
 Maximum DRAM  | 
 N/A  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Serial port 2  | 
 CN2  | 
| 
 SERIAL PORT CONFIGURATION  | |||
| 
 Port 1 (CN1)  | 
 Port 2 (CN2)  | 
 JP1  | |
| » | 
 COM1  | 
 COM2  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 COM1  | 
 COM3  | 
 Pins 2 & 3, 7 & 8 closed  | |
| 
 COM1  | 
 COM4  | 
 Pins 2 & 3, 10 & 11 closed  | |
| 
 COM2  | 
 COM1  | 
 Pins 1 & 2, 5 & 6 closed  | |
| 
 COM2  | 
 COM3  | 
 Pins 5 & 6, 7 & 8 closed  | |
| 
 COM2  | 
 COM4  | 
 Pins 5 & 6, 10 & 11 closed  | |
| 
 COM3  | 
 COM1  | 
 Pins 1 & 2, 8 & 9 closed  | |
| 
 COM3  | 
 COM2  | 
 Pins 4 & 5, 8 & 9 closed  | |
| 
 COM3  | 
 COM4  | 
 Pins 8 & 9, 10 & 11 closed  | |
| 
 COM4  | 
 COM1  | 
 Pins 1 & 2, 11 & 12 closed  | |
| 
 COM4  | 
 COM2  | 
 Pins 4 & 5, 11 & 12 closed  | |
| 
 COM4  | 
 COM3  | 
 Pins 7 & 8, 11 & 12 closed  | |
| 
 SERIAL PORT INTERRUPT SELECT  | |||
| 
 Port 1 (CN1)  | 
 Port 2 (CN2)  | 
 JP2  | |
| » | 
 IRQ4  | 
 IRQ3  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 IRQ3  | 
 IRQ4  | 
 Pins 1 & 2, 5 & 6 closed  | |