(TXT) View Source
       
       # DATA TECHNOLOGY CORPORATION
       
          DTC5180CRH
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Half-length, full-height card
       
          Hard drives supported:  Two MFM ST506/412 drives
       
          Floppy drives supported: None
       
          Sector interleave: 2:1
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                  |    Location    |
          |-------------------------------------------+----------------|
          | 34-pin control cable connector-hard drive |       J1       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 0       |       J2       |
          |-------------------------------------------+----------------|
          | 20-pin data cable connector-drive 1       |       J3       |
          |-------------------------------------------+----------------|
          | 4-pin connector-drive active LED          |       J4       |
          |-------------------------------------------+----------------|
          | 5-pin connector-DC power                  |       J5       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Floppy change signal not       |    W1    |    open    |
          |   | driven                         |          |            |
          |---+--------------------------------+----------+------------|
          |   | Floppy signal driven low (XT   |    W1    |   closed   |
          |   | system default)                |          |            |
          |---+--------------------------------+----------+------------|
          | » | Interrupt remains enabled      |    W4    | pins 2 & 3 |
          |   | after reset                    |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Interrupt disabled after reset |    W4    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Drive select "flip-flop"       |    W5    | pins 1 & 2 |
          |   | controlled by firmware         |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Drive select "flip-flop"       |    W5    | pins 2 & 3 |
          |   | controlled by system reset     |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Factory configured - do not    |    W6    |   closed   |
          |   | alter                          |          |            |
          |---+--------------------------------+----------+------------|
          | » | Auto deselect enabled          |    W7    |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Auto deselect disabled         |    W7    |    open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  HARD DRIVE PORT ADDRESS                   |
          |------------------------------------------------------------|
          |                 Address                 |   W2    |   W3   |
          |-----------------------------------------+---------+--------|
          | » | Port addresses are 1F0-1F7 3F2-3F7h |  open   |  open  |
          |---+-------------------------------------+---------+--------|
          |   | Port addresses are 170-177 372-377h | closed  | closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |          This controller has no on-board software          |
          +------------------------------------------------------------+