INVISIBLE SOFTWARE, INC.

INVISIBLE EMS

Card Type              Memory card
Maximum Onboard Memory 8192KB DRAM
Data Bus               16-bit ISA
Card Size              Three-quarter length, full-height card

[Image]

                        USER CONFIGURABLE SETTINGS

                    Function                      Label      Position

  Parity enable                                    W1         Closed

  Parity disable                                   W1          Open

  High memory enable                              SW1/1         Off

  High memory disable                             SW1/1         On

                            BUS TYPE SELECTION

  BUS    W2     W3    W4    W5     W6    W7     W8    W9    W10     W11

  XT     2 &    2 &   2 &   2 &    2 &   2 &    2 &   2 &    2 &   2 & 3
          3     3      3     3     3      3     3     3      3

  AT     1 &    1 &   1 &   1 &    1 &   1 &    1 &   1 &    1 &   1 & 2
          2     2      2     2     2      2     2     2      2

  Note: Pins designated are in the closed position.

                            BIT MODE SELECTION

    Mode       W15        W16       W17       W18        W19       W20

   8-bit      Closed    Closed     Open       Open      Open       Open

  8/16-bit     Open      Open     Closed     Closed     Open       Open

   16-bit      Open      Open      Open       Open     Closed     Closed

                         DRAM JUMPER CONFIGURATION

       Size                  Bank 0                      Bank 1

       512KB              (9) 256K x 1                (9) 256K x 1

      2048KB               (9) 1M x 1                  (9) 1M x 1

      8192KB               (9) 4M x 1                  (9) 4M x 1

  Note: 16-pin memory chips should be mounted in the lower left corner of
  the socket. 18-pin memory chips should be mounted in the upper right
  corner of the socket.

                  MEMORY CHIP TYPE SELECTION

        Type                 W21                  W22

      256K x 1         Pins 2 & 3 closed   Pins 2 & 3 closed

       1M x 1          Pins 2 & 3 closed   Pins 1 & 2 closed

     4M x 1 DRAM       Pins 1 & 2 closed   Pins 1 & 2 closed

                      ADAPTER SELECTION

       Setting               W13                  W14

       Primary         Pins 1 & 2 closed   Pins 1 & 2 closed

      Secondary        Pins 2 & 3 closed   Pins 2 & 3 closed

            I/O ADDRESS SELECTION

  Setting    SW1/6       SW1/7      SW1/8

   208h      Closed     Closed      Closed

   218h      Closed     Closed       Open

   248h       Open      Closed      Closed

   258h       Open      Closed       Open

   2A8h      Closed      Open       Closed

   2B8h      Closed      Open        Open

   2E8h       Open       Open       Closed

   2F8h       Open       Open        Open

                          DOS BACKFILL SELECTION

    Backfill         SW1/2         SW1/3         SW1/4          SW1/5

      None           Closed        Closed        Closed         Closed

    512K-640K         Open         Closed        Closed         Closed

    384K-640K         Open          Open         Closed         Closed

    256K-640K         Open          Open         Closed          Open

    128K-640K         Open          Open          Open          Closed

     0K-640K          Open          Open          Open           Open

    384K-512K        Closed         Open         Closed         Closed

    256K-512K        Closed         Open         Closed          Open

    128K-512K        Closed         Open          Open          Closed

     0K-512K         Closed         Open          Open           Open

  Note: This feature allows user with less than 640K of onboard memory to
  increase DOS memory to 640K.