COMTROL CORPORATION

HOSTESS I8

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

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                                CONNECTIONS

       Purpose           Location           Purpose           Location

  100 Pin interface         CN1        Upgrade connector         P1
  connector                            4

  Upgrade connector         J1         Upgrade connector         P2
  1                                    5

  Upgrade connector         J2         Upgrade connector         P4
  2                                    6

  Upgrade connector         J4
  3

  Note: Connectors J1, J2 and J4 interface with connectors P1, P2 and P4
  respectively.

                I/O ADDRESS SELECTION

  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

          RS-232 MODE SELECTION

        Port                RS-232

       JP1-16         Pins 1 & 2 closed

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          RS-422 MODE SELECTION

       Jumper               RS-422

       JP1-4/1        Pins 2 & 3 closed

       JP1-4/2        Pins 2 & 3 closed

       JP1-4/3        Pins 2 & 3 closed

       JP1-4/4        Pins 1 & 2 closed

        JP5-8         Pins 2 & 3 closed

       JP9-16         Pins 2 & 3 closed

[Image]

          RS-485 MODE SELECTION

        Port                RS-485

       JP1-16         Pins 2 & 3 closed

       DRAM CONFIGURATION

      Size          Bank 0

     512KB       (2) 256K x 9

      2MB         (2) 1M x 9

      8MB         (2) 4M x 9