
SEA LEVEL SYSTEMS, INC.

ACB-II

Card Type   Serial card
Chip Set    Unidentified
I/O Options Serial port
Data Bus    8-bit ISA

[Image]

         CONNECTIONS

   Function        Label

  Serial port        P1

                        USER CONFIGURABLE SETTINGS

                 Function                     Label         Position

     Factory configured - do not alter        E1             Open
      (IRQ selection)

     Factory configured - do not alter        E2         Unidentified

     Factory configured - do not alter        E5         Unidentified

     Factory configured - do not alter        E6         Unidentified

     DMA enabled                              E7       Pins 1 & 2 closed

      DMA disabled                             E7       Pins 2 & 3 closed

     Factory configured - do not alter        E9            Closed
      (IRQ selection)

     Factory configured - do not alter        E10        Unidentified

     Factory configured - do not alter        E11        Unidentified

                        BASE I/O ADDRESS SELECTION

  Setting   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8

      3F8   Off     Off     Off     Off     Off     Off     Off      On

      378   Off     Off     Off     Off     Off     Off      On      Off

      2F8   Off     Off     Off     Off     Off      On     Off      Off

      278   Off     Off     Off     Off      On     Off     Off      Off

      3B8   Off     Off     Off      On     Off     Off     Off      Off

      338   Off     Off      On     Off     Off     Off     Off      Off

      2B8   Off      On     Off     Off     Off     Off     Off      Off

     238    On     Off     Off     Off     Off     Off     Off      Off

                           DMA CHANNEL SELECTION

               Channel                                 E3

                     1                      Pins 1 & 3, 2 & 4 closed

                    3                      Pins 3 & 5, 4 & 6 closed

                    I/O PIN SELECTION

           SETTING                        E4

  RXC pin as input to DB-25       Pins 1 & 2 closed

   RDB pin as input to SCC        Pins 3 & 4 closed

   TXC as output to DB-25         Pins 5 & 6 closed

   DTR as output to DB-25         Pins 7 & 8 closed

   TDB as output to DB-25         Pins 9 & 10 closed

