
ADVANCED MICROCOMPUTER SYSTEMS, INC.

EPP-2

Card Type                 Multi I/O
Chipset Controller        Unidentified
I/O Options               Serial port(2), parallel port via DB-37
                          intermediaate connector
Maximum DRAM              N/A

[Image]

                                CONNECTIONS

      Purpose           Location           Purpose           Location

  Serial port 1           CN1          Serial port 2           CN1

  Parallel port 1         CN1

                                        PARALLEL PORT INTERRUPT

  IRQ   H1/A     H1/B     H1/C     H1/D     H1/E    H1/F     H1/G     H1/H     H1/I     H1/J     H1/K

  2     Closed   Open     Open     Open     Open    Open     Open     Open     Open     Open     Open

  3     Open    Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open

  4     Open     Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open

  5     Open     Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open

  6     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

  7     Open     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

  10    Open     Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open

  11    Open     Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open

  12    Open     Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open

  14    Open     Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open

  15    Open     Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed

       Note: Interrupt settings for H1 Shown. H2, and H3 use identical configurations. H1 affects
       Parallel port 1, H2 affects serial port 1 and H3 affects serial port 2.

                 SERIAL PORT 1 ADDRESS SELECT

       Address               H6/A                 H6/B

     COM1 (3F8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

     COM2 (2F8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

     COM3 (3E8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

      Disabled         Pins 2 & 3 closed   Pins 2 & 3 closed

                 SERIAL PORT 2 ADDRESS SELECT

       Address               H7/A                 H7/B

     COM2 (2F8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

     COM3 (3F8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

     COM4 (2E8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

      Disabled         Pins 2 & 3 closed   Pins 2 & 3 closed

                 PARALLEL PORT ADDRESS SELECT

       Address               H4/A                 H4/B

        278h           Pins 1 & 2 closed   Pins 1 & 2 closed

        378h           Pins 1 & 2 closed   Pins 2 & 3 closed

         N/A           Pins 2 & 3 closed   Pins 1 & 2 closed

      Disabled         Pins 2 & 3 closed   Pins 2 & 3 closed

                  PARALLEL PORT MODE SELECT

        Mode                 H5/A                 H5/B

       Normal          Pins 2 & 3 closed   Pins 2 & 3 closed

         EPP           Pins 2 & 3 closed   Pins 1 & 2 closed

         ECP           Pins 1 & 2 closed   Pins 2 & 3 closed

      EPP & ECP        Pins 1 & 2 closed   Pins 1 & 2 closed

