
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

[Image]

                                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

