COMTROL CORPORATION
===================

   HOSTESS I/MC

   Card Type          I/O controller                              
   Chipset/Controller NEC Corporation                             
   I/O Options        Serial ports (8 or 16)                      
   Maximum DRAM       8MB                                         

<gopher://bitreich.org/I/th99/i/C-D/50287-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Purpose       | Location  |    Purpose    | Location |
   |---------------------+-----------+---------------+----------|
   | 100 Pin interface   |    CN1    | Upgrade       |    P1    |
   | connector           |           | connector 3   |          |
   |---------------------+-----------+---------------+----------|
   | Upgrade connector 1 |    J1     | Upgrade       |    P2    |
   |                     |           | connector 4   |          |
   |---------------------+-----------+---------------+----------|
   | Upgrade connector 2 |    J2     |               |          |
   |------------------------------------------------------------|
   | Note:Connectors J1 and J2 interface with connectors P1 and |
   | P2.                                                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DRAM CONFIGURATION                      |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       2MB        |      (1)1Mx36      |      (1)1Mx36      |
   |------------------+--------------------+--------------------|
   |       8MB        |      (1)4Mx36      |      (1)4Mx36      |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/i/C-D/50287-2.png>
   

   +------------------------------------------------------------+
   |                   RS-232 MODE SELECTION                    |
   |------------------------------------------------------------|
   |           Jumper           |            RS-232             |
   |----------------------------+-------------------------------|
   |          JP1/A-D           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP2/A-D           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP3/A-D           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP4/A-D           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP5/A-C           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP6/A-C           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP7/A-C           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP8/A-C           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP9/A-C           |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP10/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP11/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP12/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP13/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP14/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP15/A-C          |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP16/A-C          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   RS-422 MODE SELECTION                    |
   |------------------------------------------------------------|
   |           Jumper           |            RS-422             |
   |----------------------------+-------------------------------|
   |          JP1/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           JP1/D            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP2/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           JP2/D            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP3/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           JP3/D            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          JP4/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           JP4/D            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP5/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP6/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP7/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP8/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP9/A-C           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP10/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP11/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP12/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP13/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP14/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP15/A-C          |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |          JP16/A-C          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTE                 |
   |------------------------------------------------------------|
   |     Serial ports are located on an interface box which     |
   |   connects to the Hostess IM/C via the 100-pin interface   |
   |                         connector.                         |
   +------------------------------------------------------------+