(TXT) View Source
       
       # DATA TECHNOLOGY CORPORATION
       
          DTC5110
       
          Card Type          Floppy drive controller                     
          Chipset/Controller DTC403                                      
          I/O Options        Floppy drive interface                      
          Maximum DRAM       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |            Purpose            |          Location          |
          |-------------------------------+----------------------------|
          | Floppy drive interface        |            CN1             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 I/O ADDRESS CONFIGURATION                  |
          |------------------------------------------------------------|
          |        Port        |     Address      |         W1         |
          |--------------------+------------------+--------------------|
          | » |    Primary     |   3F2h - 3F7h    | Pins 1 & 2 closed  |
          |---+----------------+------------------+--------------------|
          |   |   Secondary    |   372h - 377h    | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   FLOPPY DRIVE DATA RATE                   |
          |------------------------------------------------------------|
          |    Data Rate (KB/s)    |    Precompensation    |    W2     |
          |------------------------+-----------------------+-----------|
          | »         |    500     |          125          |  Closed   |
          |-----------+------------+-----------------------+-----------|
          |           |    300     |          208          |   Open    |
          |-----------+------------+-----------------------+-----------|
          |           |    250     |          250          |   Open    |
          |------------------------------------------------------------|
          | Note: Leaving W2 open enables data-rate-dependent write    |
          | precompensation.                                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FLOPPY DRIVE SPEED SELECT                  |
          |------------------------------------------------------------|
          |         Speed setting         |             W3             |
          |-------------------------------+----------------------------|
          |            Single             |            Open            |
          |-------------------------------+----------------------------|
          |             Dual              |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            FLOPPY DRIVE POLARITY CONFIGURATION             |
          |------------------------------------------------------------|
          |            Mode             |        W4, W5, and W6        |
          |-----------------------------+------------------------------|
          | »  |     Standard logic     | Pins 1 & 2 for high density  |
          |    |                        |     media, 2 & 3 for low     |
          |----+------------------------+------------------------------|
          |    |   Reverse logic (for   | Pins 2 & 3 for high density  |
          |    |   PS-2-type systems)   |     media, 1 & 2 for low     |
          |------------------------------------------------------------|
          | Note: These jumpers are not needed for ANSI-type drives.   |
          +------------------------------------------------------------+