
IRWIN

SC499R

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

  Tape drive interface                J3

            Note: Number of pins is unidentified.

                        USER CONFIGURABLE SETTINGS

                    Function                        Label      Position

     Factory configured - do not alter              A/8        Closed

     Factory configured - do not alter              B/1         Open
      (enables interrupt at 512 byte
      boundaries)

     POST enabled                                   C/1        Closed

      POST disabled                                  C/1         Open

     Factory configured - do not alter              C/2         Open

     Factory configured - do not alter              C/3         Open

     Factory configured - do not alter              C/4         Open

     Factory configured - do not alter              C/5        Closed

     Factory configured - do not alter              C/6        Closed

     Factory configured - do not alter               D          Open

                           DMA CHANNEL SELECTION

  Channel     B1/1       B1/2      B1/3       B2/1      B2/2       B2/3

     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 SC499-R is used with FT60 tape drive. The tape drive cannot be used
  in EISA systems , 486 or 386 faster than 25MHz.

