UNIDENTIFIED
IOS (IOSA) VERSION 3.0
| 
 Card Type  | 
 Multi I/O card  | 
| 
 Chipset/Controller  | 
 National Semiconductor  | 
| 
 I/O Options  | 
 Game port, parallel port, serial ports (2)  | 
| 
 Maximum DRAM  | 
 N/A  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 J1  | 
 Serial port 2  | 
 P1  | 
| 
 Parallel port  | 
 J2  | 
 Game port  | 
 P2  | 
| 
 SERIAL PORT CONFIGURATION  | ||||||
| 
 Port 1 (J1)  | 
 IRQ  | 
 C1  | 
 C2  | 
 C3  | 
 C4  | |
| » | 
 COM1  | 
 4  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 COM2  | 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 COM3  | 
 2  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 COM4  | 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 SERIAL PORT CONFIGURATION  | ||||||
| 
 Port 2 (P1)  | 
 IRQ  | 
 C5  | 
 C6  | 
 C7  | 
 C8  | |
| » | 
 COM2  | 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 COM1  | 
 4  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 COM3  | 
 2  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 COM4  | 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 PARALLEL PORT CONFIGURATION  | |||||
| 
 LPT  | 
 IRQ  | 
 L1  | 
 L2  | 
 L3  | |
| » | 
 1  | 
 7  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 2  | 
 7  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 3  | 
 5  | 
 Open  | 
 Open  | 
 Closed  | |