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

   DTC5110 (REV. B)

   Card Type           Floppy drive controller                    
   Chip Set            DTC-403                                    
   Maximum Onboard     N/A                                        
   Memory              
   I/O Options         Floppy drive interface                     
   Hard Drives         None                                       
   supported           
   Floppy drives       Three 360KB, 720KB, 1.2MB, or 1.44MB       
   supported           drives                                     
   Data Bus            8-bit ISA                                  
   Card Size           Half-length, full-height                   

<gopher://bitreich.org/I/th99/i/C-D/53417-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |   Label    |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Primary port address 3F2h       |  W1   |  Pins 1 & 2  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Secondary port address 372h     |  W1   |  Pins 2 & 3  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Dual speed mode disabled        |  W3   |     Open     |
   |---+---------------------------------+-------+--------------|
   |   | Dual speed mode enabled         |  W3   |    Closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Standard logic for drive 0      |  W4   |  Pins 1 & 2  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Reverse logic for drive 0       |  W4   |  Pins 2 & 3  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Standard logic for drive 1      |  W5   |  Pins 1 & 2  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Reverse logic for drive 1       |  W5   |  Pins 2 & 3  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Standard logic for drive 2      |  W6   |  Pins 1 & 2  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Reverse logic for drive 2       |  W6   |  Pins 2 & 3  |
   |   | enabled                         |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  W7   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  W8   | Unidentified |
   |   | alter                           |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              WRITE PRECOMPENSATION SELECTION               |
   |------------------------------------------------------------|
   |   Write Precompensation    |    Data Rate     |     W2     |
   |----------------------------+------------------+------------|
   |>>       |      125ns       |       N/A        |   Closed   |
   |---------+------------------+------------------+------------|
   |         |      125ns       |   500Kbit/sec    |    Open    |
   |---------+------------------+------------------+------------|
   |         |      208ns       |   300Kbit/sec    |    Open    |
   |---------+------------------+------------------+------------|
   |         |      250ns       |   250Kbit/sec    |    Open    |
   +------------------------------------------------------------+