ADVANCED MICROCOMPUTER SYSTEMS, INC.
SUPER I/O 21 (NP)
| 
 Card Type  | 
 Multi-I/O card  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 Unidentified  | 
| 
 I/O Options  | 
 Parallel port, serial ports (2)  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Parallel port  | 
 J1  | 
 Serial port 2  | 
 J4  | 
| 
 Serial port 1  | 
 J2  | ||
| 
 PARALLEL PORT ADDRESS SELECTION  | |||
| 
 Setting  | 
 J5/A  | 
 J5/B  | |
| » | 
 LPT2 (278h)  | 
 Open  | 
 Closed  | 
| 
 LPT3 (3BCh)  | 
 Closed  | 
 Open  | |
| 
 Disabled  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 1 ADDRESS SELECTION  | |||
| 
 Setting  | 
 J6/A  | 
 J6/B  | |
| » | 
 COM2 (2F8h)  | 
 Open  | 
 Closed  | 
| 
 COM4 (2E8h)  | 
 Closed  | 
 Open  | |
| 
 Disabled  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 2 ADDRESS SELECTION  | |||
| 
 Setting  | 
 J7/A  | 
 J7/B  | |
| 
 COM1 (3F8h)  | 
 Closed  | 
 Open  | |
| » | 
 COM3 (3E8h)  | 
 Open  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | |||||||
| 
 IRQ  | 
 SP1/A  | 
 SP1/B  | 
 SP1/C  | 
 SP1/D  | 
 SP1/E  | 
 SP1/F  | |
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 10  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 1 INTERRUPT SELECTION (CONTINUED)  | ||||||
| 
 IRQ  | 
 SP1/G  | 
 SP1/H  | 
 SP1/I  | 
 SP1/J  | 
 SP1/K  | |
| 
 2  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 3  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 4  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 10  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | |||||||
| 
 IRQ  | 
 SP2/A  | 
 SP2/B  | 
 SP2/C  | 
 SP2/D  | 
 SP2/E  | 
 SP2/F  | |
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 10  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION (CONTINUED)  | ||||||
| 
 IRQ  | 
 SP2/G  | 
 SP2/H  | 
 SP2/I  | 
 SP2/J  | 
 SP2/K  | |
| 
 2  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 3  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 10  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 PARALLEL PORT INTERRUPT SELECTION  | |||||||
| 
 IRQ  | 
 PP1/A  | 
 PP1/B  | 
 PP1/C  | 
 PP1/D  | 
 PP1/E  | 
 PP1/F  | |
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| » | 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 10  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 PARALLEL PORT INTERRUPT SELECTION (CONTINUED)  | ||||||
| 
 IRQ  | 
 PP1/G  | 
 PP1/H  | 
 PP1/I  | 
 PP1/J  | 
 PP1/K  | |
| 
 2  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 3  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 4  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 6  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| » | 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 10  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 11  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 12  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 14  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |