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

   HCST-11M/11R

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 8-bit ISA                       |
   |--------------------------+---------------------------------|
   | Size:                    | Half-length, full-height card   |
   |--------------------------+---------------------------------|
   | Hard drive supported:    | Two ST-506/412 drives           |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20494-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Location |     Function     | Location |
   |-------------------+----------+------------------+----------|
   | 34-pin control    |    J1    | 20-pin data      |    J3    |
   | cable connector   |          | cable - drive 1  |          |
   |-------------------+----------+------------------+----------|
   | 20-pin data cable |    J2    | External power   |    J5    |
   | - drive 0         |          | connector        |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       ADDRESS SELECT                       |
   |------------------------------------------------------------|
   |  I/O Address   | Base Memory Address |    J6    |    J7    |
   |----------------+---------------------+----------+----------|
   |>> | 320 - 323h |       C8000h        |   open   |   open   |
   |---+------------+---------------------+----------+----------|
   |   | 324 - 327h |       D0000h        |  closed  |   open   |
   |---+------------+---------------------+----------+----------|
   |   | 328 - 32Bh |       D8000h        |   open   |  closed  |
   |---+------------+---------------------+----------+----------|
   |   | 32C - 32Fh |       E0000h        |  closed  |  closed  |
   +------------------------------------------------------------+