UNIDENTIFIED
============

   IDE-V4-022

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Half-length, half-height card          |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE (AT) Interface drives          |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/U-Z/20341-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin IDE(AT) Interface connector            |    CN1     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN2     |
   |-----------------------------------------------+------------|
   | 2-pin connector - Drive Active LED            |    CN3     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive enabled           |   JP1    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |   JP1    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive enabled             |   JP2    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive disabled            |   JP2    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive port address is   |   JP3    | pins 1 & 2 |
   |   | 3F0-3F7h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive port address is   |   JP3    | pins 2 & 3 |
   |   | 370-377h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive order (A;/B:)     |   JP4    | pins 2 & 3 |
   |   | normal                         |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive order (A;/B:)     |   JP4    | pins 1 & 2 |
   |   | reversed                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive port address is     |   JP5    | pins 1 & 2 |
   |   | 1F0-1F7 & 3F6-3F7h             |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive port address is     |   JP5    | pins 2 & 3 |
   |   | 170-177 & 376-377h             |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IRQ14 enabled                  |   JP8    |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IRQ14 disabled                 |   JP8    |    open    |
   +------------------------------------------------------------+