UNIDENTIFIED
286 AT I/O II CARD
| 
 Card Type  | 
 Multi I/O card  | 
| 
 Chipset/Controller  | 
 Unknown  | 
| 
 I/O Options  | 
 Game port, parallel port, serial ports (2)  | 
| 
 Maximum DRAM  | 
 N/A  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Game port  | 
 CN1  | 
 Serial port 1  | 
 CN3  | 
| 
 Serial port 2  | 
 CN2  | 
 Parallel port  | 
 CN4  | 
| 
 SERIAL PORT ADDRESS CONFIGURATION  | |||
| 
 Port 1 (CN3)  | 
 Port 2 (CN2)  | 
 JP1/A  | 
 JP1/B  | 
| 
 COM1  | 
 COM2  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 COM2  | 
 COM1  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 SERIAL PORT INTERRUPT SELECTION  | |||
| 
 Port 1 (CN3)  | 
 Port 2 (CN2)  | 
 JP2/A  | 
 JP2/B  | 
| 
 IRQ4  | 
 IRQ3  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 IRQ3  | 
 IRQ4  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 PARALLEL PORT INTERRUPT SELECTION  | |||
| 
 IRQ  | 
 JP3  | 
 JP5/A  | 
 JP5/B  | 
| 
 7  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 5  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 Note: For XT compatible models, both of the above settings yield a setting of IRQ7.  | |||