DATA TECHNOLOGY CORPORATION
===========================

   DTC6180-15TX (REV. B)

   Data Bus           16-bit ISA                                  
   Card Size          Full-length, full-height card               
   Hard Drives        Two ESDI drives with 17 or 60 sector        
   supported          mapping                                     
   Floppy drives      None                                        
   supported          
   Sector interleave  1:1                                         

<gopher://bitreich.org/I/th99/c/C-D/21092-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function      | Location |    Function     | Location |
   |--------------------+----------+-----------------+----------|
   | 34-pin cable       |    J2    | 20-pin data     |    J4    |
   | connector - hard   |          | cable connector |          |
   | drive              |          | - drive 1       |          |
   |--------------------+----------+-----------------+----------|
   | 20-pin data cable  |    J3    | 4-pin connector |    J5    |
   | connector - drive  |          | - drive active  |          |
   | 0                  |          | LED             |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Wait state disabled                |  W2   |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Wait state enabled                 |  W2   |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | BIOS SRAM is 2Kx8 (6116)           |  W3   |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | BIOS SRAM is 8Kx8 (6264)           |  W3   |  Closed   |
   |---+------------------------------------+-------+-----------|
   |>> | Track buffer size is 32Kx8 SRAM    |  W4   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Track buffer size is 8Kx8 SRAM     |  W4   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  | SW1/1 |    On     |
   |---+------------------------------------+-------+-----------|
   |>> | Primary port address (1F0h-1F7h)   | SW1/2 |    Off    |
   |   | enabled                            |       |           |
   |---+------------------------------------+-------+-----------|
   |   | Secondary port address (170h-177h) | SW1/2 |    On     |
   |   | enabled                            |       |           |
   |---+------------------------------------+-------+-----------|
   |>> | Auto-deselect disabled             | SW1/3 |    Off    |
   |---+------------------------------------+-------+-----------|
   |   | Auto-deselect enabled              | SW1/3 |    On     |
   |---+------------------------------------+-------+-----------|
   |>> | BIOS EPROM enabled                 | SW1/4 |    On     |
   |---+------------------------------------+-------+-----------|
   |   | BIOS EPROM disabled                | SW1/4 |    Off    |
   |---+------------------------------------+-------+-----------|
   |>> | Interrupt after reset enabled      | SW1/7 |    On     |
   |---+------------------------------------+-------+-----------|
   |   | Interrupt after reset disabled     | SW1/7 |    Off    |
   |---+------------------------------------+-------+-----------|
   |>> | Track buffer enabled               | SW1/8 |    On     |
   |---+------------------------------------+-------+-----------|
   |   | Track buffer disabled              | SW1/8 |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BIOS ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |        Address        |      SW1/5       |      SW1/6      |
   |-----------------------+------------------+-----------------|
   |>> |      C8000h       |       Off        |       Off       |
   |---+-------------------+------------------+-----------------|
   |   |      D0000h       |       Off        |       On        |
   |---+-------------------+------------------+-----------------|
   |   |      D4000h       |        On        |       On        |
   |---+-------------------+------------------+-----------------|
   |   |      D8000h       |        On        |       Off       |
   +------------------------------------------------------------+