IRWIN

SC402

Card Type               Tape drive controller
Hard Drives supported   None
Floppy drives supported None
Data Bus                8-bit ISA
Card Size               Half-length, full-height

[Image]

                                CONNECTIONS

       Function            Label            Function            Label

  Tape drive interface       J2       Tape drive interface        J3
  - external                               - internal

            Note:Exact number of pins for both interfaces is
            unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

  »  Factory configured - do not alter        A/8            Closed

  »  Factory configured - do not alter        B/1             Open

                           DMA CHANNEL SELECTION

  Channel      C/1        C/2       C/3       C2/1       C2/2      C2/3

  »     1     Closed     Open       Open     Closed      Open      Open

       2       Open     Closed      Open      Open      Closed     Open

       3       Open      Open      Closed     Open       Open     Closed

                        BASE I/O ADDRESS SELECTION

  Address     A/1      A/2      A/3      A/4      A/5      A/6      A/7

      100h   Closed   Closed   Closed   Closed   Closed   Open     Closed

  »   200h   Closed   Closed   Closed   Closed   Closed   Closed   Open

      220h   Closed   Closed   Open     Closed   Closed   Closed   Open

      280h   Closed   Closed   Closed   Closed   Open     Closed   Open

      300h   Closed   Closed   Closed   Closed   Closed   Open     Open

      338h   Open     Open     Open     Closed   Closed   Open     Open

      350h   Closed   Open     Closed   Open     Closed   Open     Open

      360h   Closed   Closed   Open     Open     Closed   Open     Open

      370h   Closed   Open     Open     Open     Closed   Open     Open

                            INTERRUPT SELECTION

  Setting       B/2       B/3       B/4        B/5       B/6       B/7

      IRQ2    Closed      Open      Open      Open      Open       Open

  »    IRQ3    Open      Closed     Open      Open      Open       Open

      IRQ4     Open       Open     Closed     Open      Open       Open

      IRQ5     Open       Open      Open     Closed     Open       Open

      IRQ6     Open       Open      Open      Open     Closed      Open

      IRQ7     Open       Open      Open      Open      Open      Closed

                       MISCELLANEOUS TECHNICAL NOTES

  The SC402 is used with FT150 tape drive. The tape drive cannot be used
  in EISA systems , 486 or 386 faster than 25MHz.