(TXT) View Source
       
       # NCL AMERICA
       
          NCL527
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Half-length, full-height card
       
          Hard Drives Suppported: Two AT Interface (IDE) drives
       
          Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
          drives
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                  Functions                   |  Location   |
          |----------------------------------------------+-------------|
          | 40-pin connector-IDE(AT) Interface           |     CN1     |
          |----------------------------------------------+-------------|
          | 34-pin data cable connector-floppy drive     |     CN2     |
          |----------------------------------------------+-------------|
          | 5-pin connector-DC power                     |     PWR     |
          |----------------------------------------------+-------------|
          | 4-pin connector-drive active LED             |     LED     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | IOCHRDY connected to CN1, Pin  |   JP1    | pins 1 & 2 |
          |   | 27                             |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IOCHRDY connected to CN1, Pin  |   JP1    | pins 2 & 3 |
          |   | 21                             |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IOCHRDY not connected          |   JP1    |    open    |
          |---+--------------------------------+----------+------------|
          | » | IRQ14 connected directly to    |   JP3    | pins 2 & 3 |
          |   | bus                            |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IRQ14 enabled by pin 39 high   |   JP3    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | IRQ14 not connected to bus     |   JP3    |    open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRIVE PORT ADDRESS                     |
          |------------------------------------------------------------|
          |  Hard Drive   |   Floppy Drive   | JP2/pins 1 | JP2/pins 3 |
          |    Address    |     Address      |    & 2     |    & 4     |
          |---------------+------------------+------------+------------|
          | » | 1F0-1F7h  |     3F0-3F7h     |    open    |    open    |
          |---+-----------+------------------+------------+------------|
          |   | 170-177h  |     370-377h     |    open    |   closed   |
          |---+-----------+------------------+------------+------------|
          |   | 1F0-1F7h  |     Disabled     |   closed   |   closed   |
          |---+-----------+------------------+------------+------------|
          |   | Disabled  |     3F0-3F7h     |   closed   |    open    |
          +------------------------------------------------------------+