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

   T128

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

   Data bus: 8-bit, ISA

   Size: Three-quarter length, full-height card

   Hard drives supported:  Up to seven SCSI devices

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/S-T/20206-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-internal           |       CN1       |
   |------------------------------------------+-----------------|
   | 50-pin SCSI connector-external           |       CN2       |
   |------------------------------------------+-----------------|
   | 4-pin connector-Drive Active LED         |       CN3       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              |   Location   | Setting |
   |-----------------------------------+--------------+---------|
   |>> | Full Handshake Interlock      | SW1/switch 4 |   off   |
   |   | disabled                      |              |         |
   |---+-------------------------------+--------------+---------|
   |   | Full Handshake Interlock      | SW1/switch 4 |   on    |
   |   | enabled                       |              |         |
   |---+-------------------------------+--------------+---------|
   |>> | BIOS enabled                  | SW1/switch 5 |   on    |
   |---+-------------------------------+--------------+---------|
   |   | BIOS disabled                 | SW1/switch 5 |   off   |
   |---+-------------------------------+--------------+---------|
   |>> | Zero wait-state enabled       | SW1/switch 6 |   on    |
   |---+-------------------------------+--------------+---------|
   |   | Zero wait-state disabled      | SW1/switch 6 |   off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |     Address      |    SW1/switch 7    |    SW1/switch 8    |
   |------------------+--------------------+--------------------|
   |      CC000h      |         on         |         on         |
   |------------------+--------------------+--------------------|
   |      C8000h      |         on         |        off         |
   |------------------+--------------------+--------------------|
   |      DC000h      |        off         |         on         |
   |------------------+--------------------+--------------------|
   |      D8000h      |        off         |        off         |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   | Note: SW1/switch 1-3 are reserved and must be left 'open'. |
   | JP1/pins 7-12 are not used.                                |
   +------------------------------------------------------------+