(TXT) View Source
       
       # 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
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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 emulation |    F2    |  open   |
          |   | enabled                           |          |         |
          |---+-----------------------------------+----------+---------|
          |   | Hard drive port address emulation |    F2    | closed  |
          |   | 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|
          +---------------------------------------------------------------+