COMTROL CORPORATION

HOSTESS I/S 2

Card Type          I/O controller
Chipset/Controller Texas Instruments (UART)
I/O Options        Serial ports (2)
Maximum DRAM       8MB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  Serial port 1           CN1         External reset             CN3
                                      connector 1

  Serial port 2           CN2         External reset             CN4
                                      connector 2

                 RS-232/RS-422 MODE SELECTION

        Mode               JP1/A-H              JP2/A-H

       RS-422          Pins 2 & 3 closed   Pins 2 & 3 closed

       RS-232          Pins 1 & 2 closed   Pins 1 & 2 closed

              I/O ADDRESS CONFIGURATION

  Address    SW1/1      SW1/2      SW1/3      SW1/4

   218h       Off        Off        Off        Off

   21Ch        On        Off        Off        Off

   238h       Off         On        Off        Off

   23Ch        On         On        Off        Off

   318h       Off        Off        On         Off

   31Ch        On        Off        On         Off

   338h       Off         On        On         Off

   33Ch        On         On        On         Off

   618h       Off        Off        Off        On

   61Ch        On        Off        Off        On

   638h       Off         On        Off        On

   63Ch        On         On        Off        On

   718h       Off        Off        On         On

   71Ch        On        Off        On         On

   738h       Off         On        On         On

   73Ch        On         On        On         On

       DRAM CONFIGURATION

      Size          Bank 0

     512KB       (2) 256K x 9

      2MB         (2) 1M x 9

      8MB         (2) 4M x 9