COMTROL CORPORATION

HOSTESS S VER.2

Card Type          Serial Controller
Chipset/Controller Unidentified UART
I/O Options        Serial I/O ports(2)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

     Purpose         Location             Purpose             Location

  DB-9 serial          CN1         DB-25 I/O                    CN3
  I/O port                         port(optional)

  DB-25 I/O port       CN2

                   I/O ADDRESS

   Address       SW1/1       SW1/2      SW1/3

  200 - 207h      On          On          On

  280 - 287h      On          On         Off

  2C0 - 287h      On          Off         On

  300 - 307h      On          Off        Off

   Reserved       Off         On          On

   Reserved       Off         On         Off

   Reserved       Off         Off         On

                     INTERRUPT SELECT

   IRQ      SW1/4     SW1/5     SW1/6     SW1/7    SW1/8

   IRQ2      Off       Off       Off       Off      On

   IRQ3      Off       Off       Off       On       Off

   IRQ5      Off       Off       On        Off      Off

  IRQ10      Off       On        Off       Off      Off

  IRQ11       On       Off       Off       Off      Off

                           TERMINATION SETTINGS

          Setting               JP1        JP2         JP3         JP4

  »     Receive clock for      Open        N/A         N/A         N/A
       port 1(CN2) is not
           terminated

        Receive clock for     Closed       N/A         N/A         N/A
         port 1(CN2) is
           terminated

  »    Receive signal for       N/A        Open        N/A         N/A
       port 1(CN2) is not
           terminated

       Receive signal for       N/A       Closed       N/A         N/A
         port 1(CN2) is
           terminated

  »    Transmit clock for       N/A        N/A        Open         N/A
       port 1(CN2) is not
           terminated

       Transmit clock for       N/A        N/A       Closed        N/A
         port 1(CN2) is
           terminated

  »    Receive signal for       N/A        N/A         N/A        Open
       port 2(CN1) is not
           terminated

       Receive signal for       N/A        N/A         N/A       Closed
         port 2(CN1) is
           terminated