ADVANCED MICROCOMPUTER SYSTEMS, INC.

422/485PC-10/DB25

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  N/A
I/O Options             Serial port
Data Bus                16-bit ISA
Floppy drives supported N/A

[Image]

                CONNECTIONS

       Function               Label

  25-pin serial port           CN1

                     SERIAL PORT ADDRESS CONFIGURATION

      Setting            J5/A         J5/B          J5/C         J5/D

  »    COM1 (3F8h)      Closed        Open          Open         Open

       COM2 (2F8h)       Open        Closed         Open         Open

       COM3 (3E8h)       Open         Open         Closed        Open

       COM4 (2E8h)       Open         Open          Open        Closed

        Disabled         Open         Open          Open         Open

                     SERIAL PORT 1 INTERRUPT SELECTION

    IRQ       SP1/A     SP1/B      SP1/C     SP1/D     SP1/E      SP1/F

      2/9    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

       14     Open       Open      Open       Open      Open       Open

       15     Open       Open      Open       Open      Open       Open

                 SERIAL PORT 1 INTERRUPT SELECTION (CON’T)

     IRQ         SP1/G       SP1/H       SP1/I       SP1/J        SP1/K

       2/9       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

        14       Open        Open         Open       Closed       Open

        15       Open        Open         Open        Open       Closed