
STORAGE DIMENSIONS

SDC1602B, SDC1602F

  Data bus:                16-bit, ISA

  Size:                    Three/quarter-length, full-height card

  Hard drive supported:    Up to seven SCSI devices

  Floppy drives            Two 360KB, 720KB, 1.2MB, or 1.44MB drives
  supported:

[Image]

                              CONNECTIONS

                    Function                           Location

  4-pin connector - Drive active LED                      CN1

  34-pin control cable connector - floppy drive           CN2

  50-pin SCSI connector - internal                        CN3

  50-pin SCSI connector - external                        CN4

                                  SCSI ID

    SCSI ID         S1/switch 1        S1/switch 2         S1/switch 3

          0             off                off                 off

          1             on                 off                 off

          2             off                 on                 off

          3             on                  on                 off

          4             off                off                 on

          5             on                 off                 on

          6             off                 on                 on

         7             on                  on                 on

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     SCSI parity check disabled         S1/switch 4            off

      SCSI parity check enabled          S1/switch 4            on

     1GB translation enabled (DOS       S1/switch 5            on
      compatible)

      1GB translation disabled (UNIX     S1/switch 5            off
      compatible)

     SCSI synchronous negotiation       S1/switch 6            on
      disabled

      SCSI synchronous negotiation       S1/switch 6            off
      enabled

     Floppy drive port address is           W14               open
      3F0-3F7h

      Floppy drive port address is           W14              closed
      370-377h

     Floppy drive enabled                W15 & W16           closed

      Floppy drive disabled               W15 & W16            open

     I/O Channel Ready signal               W17             pins 1 & 2
      disabled                                                closed

      I/O Channel Ready signal               W17             pins 2 & 3
      enabled                                                 closed

                      DMA CHANNEL CONFIGURATION - S1

        DMA Channel              S1/switch 7             S1/switch 8

              5                      on                     on

               6                     off                     on

               7                      on                     off

            Disabled                 off                     off

                    I/O PORT ADDRESS CONFIGURATION - S2

       Address          S2/switch 1       S2/switch 2       S2/switch 3

         130-133h            on               off               on

         134-137h            on               off               off

         230-233h           off               on                on

         234-237h           off               on                off

        330-333h            on               on                on

         334-337h            on               on                off

                             BIOS ADDRESS - S2

          Address                S2/switch 4             S2/switch 5

             C800h                   off                     off

             D800h                   off                     on

            DC00h                    on                     on

            Disabled                  on                     off

                   INTERRUPT REQUEST CONFIGURATION - S2

       IRQ          S2/switch 6        S2/switch 7         S2/switch 8

          9              on                off                 on

         10             off                 on                 on

        11              on                 on                 on

         12             off                off                 on

         14              on                 on                 off

         15             off                 on                 off

  Note: This IRQ setting must be the same as the IRQ setting configured
  on jumpers W3-W8.

                      INTERRUPT REQUEST CONFIGURATION

    IRQ        W3        W4         W5        W6         W7         W8

       9      open      open       open      open       open      closed

      10      open      open       open      open      closed      open

     11      open      open       open     closed      open       open

      12      open      open      closed     open       open       open

      14      open     closed      open      open       open       open

      15     closed     open       open      open       open       open

  Note: This IRQ setting must be the same as the IRQ setting configured
  on S2, switches 6-8.

                            DMA TRANSFER SPEED

            Speed                      W11                    W13

            5.0MB/sec                 open                  open

             5.7MB/sec                 open                 closed

             6.7MB/sec                closed                 open

             8.0MB/sec                closed                closed

