(TXT) View Source
       
       # DTK  COMPUTER, INC.
       
          MINI/MICRO-4 FDC, PII-158B
       
          Card Type          Floppy drive controller                     
          Chipset/Controller Unknown                                     
          I/O Options        Floppy drive interface (2)                  
          Maximum DRAM       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Purpose        | Location |   Purpose    | Location |
          |-----------------------+----------+--------------+----------|
          | Floppy drive          |    P1    | Floppy drive |    P2    |
          | interface             |          | interface    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FLOPPY DRIVE SPEED SETTING                 |
          |------------------------------------------------------------|
          |       Speed Setting        |              JP1              |
          |----------------------------+-------------------------------|
          | »   |        Single        |       Pins 1 & 2 closed       |
          |-----+----------------------+-------------------------------|
          |     |         Dual         |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   FLOPPY DRIVE DATA RATE                   |
          |------------------------------------------------------------|
          | Data Rate (KB/s) |   Precompensation   |        JP2        |
          |                  |        (ns)         |                   |
          |------------------+---------------------+-------------------|
          |       500        |         125         | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       250        |         125         | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       300        |         125         | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       250        |         125         | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       250        |         125         | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       1000       |         83          | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       1000       |         83          | Pins 2 & 3 closed |
          |------------------+---------------------+-------------------|
          |       500        |         125         | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       125        |         250         | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       125        |         208         | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       125        |         250         | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       125        |         250         | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       1000       |         83          | Pins 1 & 2 closed |
          |------------------+---------------------+-------------------|
          |       1000       |         83          | Pins 1 & 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SYSTEM TYPE CONFIGURATION                  |
          |------------------------------------------------------------|
          |               Type                |          JP3           |
          |-----------------------------------+------------------------|
          | » |         XT/compatible         |         Closed         |
          |---+-------------------------------+------------------------|
          |   |         AT/compatible         |          Open          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               FLOPPY DRIVE ADDRESS SETTINGS                |
          |------------------------------------------------------------|
          |    Address    |   JP4/A   |  JP4/B   |  JP4/C   |  JP4/D   |
          |---------------+-----------+----------+----------+----------|
          | CAOOOh-CBFFFh |  Closed   |   Open   |  Closed  |   Open   |
          |---------------+-----------+----------+----------+----------|
          | CCCOOh-CDFFFh |   Open    |  Closed  |   Open   |  Closed  |
          |---------------+-----------+----------+----------+----------|
          | CEOOOh-CFFFFh |  Closed   |   Open   |   Open   |  Closed  |
          +------------------------------------------------------------+
       
          +--------------------------------------------------------------+
          |                     DRIVE TYPE SELECTION                     |
          |--------------------------------------------------------------|
          |      |Drive |Drive |Drive |Drive |      |      |      |      |
          |      |  A   |  B   |  C   |  D   |      |      |      |      |
          |------+------+------+------+------+------+------+------+------|
          | Type |JP5/A |JP5/B |JP5/C |JP5/D |JP5/E |JP5/F |JP5/G |JP5/H |
          |------+------+------+------+------+------+------+------+------|
          |360KB |Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|
          |------+------+------+------+------+------+------+------+------|
          |720KB | Open |Closed| Open |Closed| Open |Closed| Open |Closed|
          |------+------+------+------+------+------+------+------+------|
          |1.2MB |Closed| Open |Closed| Open |Closed| Open |Closed| Open |
          |------+------+------+------+------+------+------+------+------|
          |1.44MB| Open | Open | Open | Open | Open | Open | Open | Open |
          +--------------------------------------------------------------+