
DTK COMPUTER, INC.

PII-157

Category                   Video
Video Types Supported      EGA
Video Processor            Unidentified
Highest Resolution         640 x 350
Supported
Data Bus Type              8-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     256KB

[Image]

                                CONNECTIONS

       Purpose           Location           Purpose           Location

  32-pin feature            CN1        Composite display         CN4
  connector                            - RCA jack

  9-pin video output        CN2        6-pin light pen           P2
  port                                 interface

  Composite display         CN3
  - RCA jack

                CLOCK SOURCE CONFIGURATION

           Setting                        J2

       External clock             Pins 1 & 2 closed

  Internal 24.872 MHz clock       Pins 2 & 3 closed

                       LIGHT PEN PORT CONFIGURATION

               Setting                                 J3

                 Port 1                        Pins 1 & 2 closed

                  Port 2                        Pins 2 & 3 closed

                         DISLAY MODE CONFIGURATION

    Monitor     Primary Card     Secondary     SW1/2    SW1/3     SW1/4
     type                          Card

     CGA          PII-157       Monochrome      Off      Off        On

     EGA          PII-157       Monochrome      On        On       Off

     CGA        Monochrome       PII-157        On        On        On

     EGA        Monochrome       PII-157        Off       On        On

   Composite      PII-157          CGA          Off       On       Off
    or CGA

   Composite        CGA          PII-157        On       Off        On
    or CGA

  RESOLUTION TYPE CONFIGURATION

      Type             SW1/1

       Low              On

      High              Off

                         AUTO SWITCH CONFIGURATION

                 Setting                               SW1/5

                  Disabled                             Off

                   Enabled                               On

