FUTURE DOMAIN CORPORATION

TMC-875, TMC-885

Data bus: 8-bit, ISA (extension card-edge may be present, but is not
active)

Size: Full-length, full-height card

Hard drives supported: Up to seven SCSI devices

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

Sector interleave: 1:1

[Image]

                                CONNECTIONS

                     Function                             Location

  25-pin SCSI connector-external                             J1

  50-pin SCSI connector-internal                             J2

  34-pin control cable connector-floppy drives 1             J3
  and 2

  34-pin data cable connector-floppy drives 3 and            J4
  4

  4-pin connector-drive active LED                           J5

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy drive port address               F1               open
      3F2-3F7h, IRQ6

      Floppy drive port address               F1              closed
      372-377h, IRQ5*

  »   Hard Drive port address                 F2               open
      emulation enabled

      Hard drive port address                 F2              closed
      emulation disabled (This is

      used if another hard drive
      controller is present)

  »   Zero Wait State disabled                W5               open

      Zero Wait State enabled                 W5              closed

  Note:* If this setting is used the Hard Drive IRQ must be changed

                               BIOS ADDRESS

          Address                     W1                     W2

  »          CA00h                   open                   open

             C800h                   open                  closed

             CE00h                  closed                  open

             DE00h                  closed                 closed

                                  HARD DRIVE IRQ

    IRQ       W4/1     W4/2     W4/3     W4/4    W4/5     W4/6     W4/7     W4/8

      IRQ3   closed    open     open     open    open     open     open     open

      IRQ4    open    closed    open     open    open     open     open     open

  »   IRQ5    open     open    closed    open    open     open     open     open

      IRQ10   open     open     open    closed   open     open     open     open

      IRQ11   open     open     open     open    closed   open     open     open

      IRQ12   open     open     open     open    open     closed   open     open

      IRQ14   open     open     open     open    open     open     closed   open

      IRQ15   open     open     open     open    open     open     open     closed