
SEA LEVEL SYSTEMS, INC.

ACB-530

Card Type   Serial card
Chip Set    Unidentified
I/O Options Serial port
Data Bus    16-bit ISA

[Image]

         CONNECTIONS

   Function        Label

  Serial port        P1

                        USER CONFIGURABLE SETTINGS

                 Function                    Label         Position

     Factory configured  do not alter       E2         Unidentified

     Factory configured  do not alter       E9         Unidentified

     Factory configured  do not alter      SW1/8       Unidentified

                      SERIAL PORT INTERRUPT SELECTION

                 IRQ                                   E3

                    2                          Pins 1 & 2 closed

                    3                          Pins 3 & 4 closed

                    4                          Pins 5 & 6 closed

                   5                          Pins 7 & 8 closed

                    7                          Pins 9 & 10 closed

                    10                        Pins 11 & 12 closed

                    11                        Pins 13 & 14 closed

                    12                        Pins 15 & 16 closed

                    15                        Pins 17 & 18 closed

        SERIAL PORT INTERRUPT MODE SELECTION

         Setting                     E1

  DMA terminal count IRQ      Pins 1 & 2 closed

        Single IRQ            Pins 3 & 4 closed

        Shared IRQ            Pins 5 & 6 closed

                        BASE I/O ADDRESS SELECTION

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

     238     Off      On       On       On      Off      Off       Off

      280     Off      On       Off      On       On       On       On

      2A0     Off      On       Off      On      Off       On       On

      2E8     Off      On       Off      Off     Off       On       Off

      300     Off      Off      On       On       On       On       On

      328     Off      Off      On       On      Off       On       Off

      3E8     Off      Off      Off      Off     Off       On       Off

                       DMA SELECTION

           Setting                         E2

  Software enabled channel A        Pins 1 & 2 closed

   Channel A always enabled         Pins 3 & 4 closed

     No DMA for channel A           Pins 5 & 6 closed

  Software enabled channel B        Pins 7 & 8 closed

   Channel B always enabled        Pins 9 & 10 closed

     No DMA for channel B          Pins 11 & 12 closed

               DMA SELECTION (SINGLE CHANNEL A HALF DUPLEX)

               Setting                        E4                E5

   Channel A/channel 0, half duplex          Open          1 & 2, 3 & 4
           channel B no DMA

   Channel A/channel 1, half duplex          Open          5 & 6, 7 & 8
           channel B no DMA

   Channel A/channel 2, half duplex          Open         9 & 10, 11 & 12
           channel B no DMA

   Channel A/channel 3, half duplex          Open          13 & 14, 15 &
           channel B no DMA                                     16

  Note: Pins designated should be in the closed position.

               DMA SELECTION (SINGLE CHANNEL B HALF DUPLEX)

               Setting                        E6                E7

   Channel B/channel 0, half duplex          Open          1 & 2, 3 & 4
           channel A no DMA

   Channel B/channel 1, half duplex          Open          5 & 6, 7 & 8
           channel A no DMA

   Channel B/channel 2, half duplex          Open         9 & 10, 11 & 12
           channel A no DMA

   Channel B/channel 3, half duplex          Open          13 & 14, 15 &
           channel A no DMA                                     16

  Note: Pins designated should be in the closed position.

                 DMA SELECTION (TWO CHANNELS HALF DUPLEX)

         Setting               E4         E5         E6           E7

   Channel A/channel 1,       Open      5 & 6, 7    Open      13 & 14, 15
       half duplex                        & 8                    & 16

   Channel B/channel 3,       Open      5 & 6, 7    Open      13 & 14, 15
       half duplex                        & 8                    & 16

   Channel A/channel 0,       Open      1 & 2, 3    Open       9 & 10, 11
       half duplex                        & 4                    & 12

   Channel B/channel 2,       Open      1 & 2, 3    Open       9 & 10, 11
       half duplex                        & 4                    & 12

  Note: Pins designated should be in the closed position.

                 DMA SELECTION (FOUR CHANNELS FULL DUPLEX)

         Setting               E4          E5          E6          E7

   Channel A/channel 1,    13 & 14, 15   5 & 6, 7   9 & 10, 11   1 & 2, 3
      receive data            & 16         & 8        & 12         & 4

   Channel A/channel 3,    13 & 14, 15   5 & 6, 7   9 & 10, 11   1 & 2, 3
      transmit data           & 16         & 8        & 12         & 4

   Channel B/channel 0,    13 & 14, 15   5 & 6, 7   9 & 10, 11   1 & 2, 3
         receive              & 16         & 8        & 12         & 4

   Channel B/channel 2,    13 & 14, 15   5 & 6, 7   9 & 10, 11   1 & 2, 3
        transmit              & 16         & 8        & 12         & 4

  Note: Pins designated should be in the closed position.

                   DMA SELECTION (CHANNEL A FULL DUPLEX)

           Setting                      E4                    E5

     Channel A/channel 1,        13 & 14, 15 & 16        5 & 6, 7 & 8
         receive data

     Channel A/channel 3,        13 & 14, 15 & 16        5 & 6, 7 & 8
        transmit data

  Note: Pins designated should be in the closed position.

                   DMA SELECTION (CHANNEL B FULL DUPLEX)

           Setting                      E6                    E7

     Channel B/channel 1,        13 & 14, 15 & 16        5 & 6, 7 & 8
         receive data

     Channel B/channel 3,        13 & 14, 15 & 16        5 & 6, 7 & 8
        transmit data

  Note: Pins designated should be in the closed position.

           DMA SELECTION (NO DMA SELECTED)

  Setting      E4         E5        E6         E7

  No DMA      Open       Open      Open       Open

                       TRANSMIT CLOCK SELECTION

              Setting                              E8

  Channel A RTS enabled (RS-485)           Pins 1 & 2 closed

  Transmit clock output channel A          Pins 3 & 4 closed

  Transmit clock input channel A           Pins 5 & 6 closed

  Channel B RTS enabled (RS-485)           Pins 7 & 8 closed

  Transmit clock output channel B          Pins 9 & 10 closed

  Transmit clock input channel B          Pins 11 & 12 closed

