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

   DTC2290 (400395-89A1)

   Card Type            Hard drive controller card                
   Hard Drives          Four IDE (AT) drives                      
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            
   Data Bus             16-bit ISA                                
   Card Size            Three-quarter length, full-height card    

<gopher://bitreich.org/I/th99/c/C-D/21648-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Location |     Function     | Location |
   |-------------------+----------+------------------+----------|
   | 34-pin cable      |    J1    | 40-pin secondary |    J3    |
   | connector -       |          | IDE(AT)          |          |
   | floppy drive      |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | 40-pin primary    |    J2    | 4-pin connector  |    J4    |
   | IDE(AT) connector |          | - drive active   |          |
   |                   |          | LED              |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | BIOS enabled                       |  W3   |  Closed   |
   |---+------------------------------------+-------+-----------|
   |   | BIOS disabled                      |  W3   |   Open    |
   |---+------------------------------------+-------+-----------|
   |>> | Floppy drive interface AT cable    |  W4   |   Open    |
   |---+------------------------------------+-------+-----------|
   |   | Floppy drive interface IBM cable   |  W4   |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PORT 1 DRIVE 0 HEAD MAPPING SETTINGS            |
   |------------------------------------------------------------|
   |               Setting               |          W5          |
   |-------------------------------------+----------------------|
   |      64- head mapping disabled      |         Open         |
   |-------------------------------------+----------------------|
   |      64- head mapping enabled       |        Closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PORT 1 DRIVE 1 HEAD MAPPING SETTINGS            |
   |------------------------------------------------------------|
   |               Setting               |          W6          |
   |-------------------------------------+----------------------|
   |      64- head mapping disabled      |         Open         |
   |-------------------------------------+----------------------|
   |      64- head mapping enabled       |        Closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PORT 2 DRIVE 0 HEAD MAPPING SETTINGS            |
   |------------------------------------------------------------|
   |               Setting               |          W7          |
   |-------------------------------------+----------------------|
   |      64- head mapping disabled      |         Open         |
   |-------------------------------------+----------------------|
   |      64- head mapping enabled       |        Closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PORT 2 DRIVE 1 HEAD MAPPING SETTINGS            |
   |------------------------------------------------------------|
   |              Setting               |          W8           |
   |------------------------------------+-----------------------|
   |     64- head mapping disabled      |         Open          |
   |------------------------------------+-----------------------|
   |      64- head mapping enabled      |        Closed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BIOS ADDRESS SELECTION                   |
   |------------------------------------------------------------|
   |      Address       |        W1         |        W2         |
   |--------------------+-------------------+-------------------|
   |     C800:0000h     |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |     D000:0000h     |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |     D400:0000h     |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |     D800:0000h     |      Closed       |       Open        |
   +------------------------------------------------------------+