CMS ENHANCEMENTS, INC.
======================

   AT HOST ADAPTER

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 16-bit, ISA

   Size: Half-length, full-height card

   Hard drives supported:  Two IDE (AT) Interface drives

   Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

<gopher://bitreich.org/I/th99/c/C-D/20042-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 40-pin AT Interface (IDE) connector      |       CN1       |
   |------------------------------------------+-----------------|
   | 5-pin connector-DC power                 |       CN2       |
   |------------------------------------------+-----------------|
   | 34-pin data cable connector-floppy drive |       CN3       |
   |------------------------------------------+-----------------|
   | 2-pin connector-drive active LED         |       CN4       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive address is        |   JP1    | pins 1 & 2 |
   |   | 3F0-3F7h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive address is        |   JP1    | pins 2 & 3 |
   |   | 370-377h                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive address is 1F0-1F7h |   JP2    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive address is 170-177h |   JP2    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive disabled          |   JP3    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive enabled           |   JP3    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Hard drive enabled             |   JP4    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Hard drive disabled            |   JP4    | pins 1 & 2 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+