TRANTOR SYSTEMS, LTD.
=====================

   T100

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 8-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/S-T/20205-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                Function                 |     Location     |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-internal          |       CN1        |
   |-----------------------------------------+------------------|
   | 50-pin SCSI connector-external          |       CN2        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             |   Location   | Setting  |
   |----------------------------------+--------------+----------|
   |>> | SCSI parity check enabled    | SW1/switch 3 |   off    |
   |---+------------------------------+--------------+----------|
   |   | SCSI parity check disabled   | SW1/switch 3 |    on    |
   |---+------------------------------+--------------+----------|
   |>> | BIOS enabled                 | SW1/switch 6 |   off    |
   |---+------------------------------+--------------+----------|
   |   | BIOS disabled                | SW1/switch 6 |    on    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O PORT ADDRESS                      |
   |------------------------------------------------------------|
   |     Address      |    SW1/switch 1    |    SW1/switch 2    |
   |------------------+--------------------+--------------------|
   |       320h       |        off         |        off         |
   |------------------+--------------------+--------------------|
   |       324h       |        off         |         on         |
   |------------------+--------------------+--------------------|
   |       328h       |         on         |        off         |
   |------------------+--------------------+--------------------|
   |       32Ch       |         on         |         on         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |     Address      |    SW1/switch 4    |    SW1/switch 5    |
   |------------------+--------------------+--------------------|
   |      C8000h      |        off         |        off         |
   |------------------+--------------------+--------------------|
   |      CA000h      |         on         |        off         |
   |------------------+--------------------+--------------------|
   |      CC000h      |        off         |         on         |
   |------------------+--------------------+--------------------|
   |      CE000h      |         on         |         on         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DMA CHANNEL                         |
   |------------------------------------------------------------|
   |     DRQ      |             JP1              |   Position   |
   |--------------+------------------------------+--------------|
   |     DRQ1     |  pins 7 & 9 and 8 & 10 only  |    closed    |
   |--------------+------------------------------+--------------|
   |     DRQ3     | pins 9 & 11 and 10 & 12 only |    closed    |
   |--------------+------------------------------+--------------|
   |   Disabled   |      pins 7 through 12       |     open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |        IRQ        |        JP1         |     Position      |
   |-------------------+--------------------+-------------------|
   |       IRQ3        |  pins 2 & 4 only   |      closed       |
   |-------------------+--------------------+-------------------|
   |       IRQ5        |  pins 1 & 3 only   |      closed       |
   |-------------------+--------------------+-------------------|
   |       IRQ6        |  pins 4 & 5 only   |      closed       |
   |-------------------+--------------------+-------------------|
   |       IRQ7        |  pins 3 & 5 only   |      closed       |
   |-------------------+--------------------+-------------------|
   |     Disabled      |  pins 1 through 6  |       open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |       This controller contains no on-board software.       |
   +------------------------------------------------------------+