
JUKO LABORATORIES, LTD.

G7-A

Category                   Video/Multi I/O
Video Types Supported      CGA/Monochrome
Video Processor            Unidentified
Highest Resolution         640 x 400
Supported
Data Bus Type              8-bit ISA
Memory Type                N/A
Maximum Onboard Memory     N/A

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose           Location

  15-pin analog            CN1        6-pin light pen            CN5
  video port                          connector

  Composite video          CN2        16-pin game/MIDI           CN7
  jack                                port

  9-pin mouse port         CN3        26-pin parallel            CN8
                                      port interface

                      COMPOSITE DISPLAY CONFIGURATION

                Setting                                J1

                  Color                        Pins 1 & 2 closed

                   Mono                         Pins 2 & 3 closed

                         MOUSE INTERRUPT SELECTION

   IRQ         J2         J6/SW2       J6/SW3      J6/SW4       J6/SW5

     2     Pins 1 & 2  Pins 1 & 2   Pins 2 & 3   Pins 2 & 3   Pins 2 & 3
             closed       closed       closed      closed       closed

      3     Pins 3 & 4  Pins 2 & 3   Pins 1 & 2   Pins 2 & 3   Pins 2 & 3
             closed       closed       closed      closed       closed

      4     Pins 5 & 6  Pins 2 & 3   Pins 2 & 3   Pins 1 & 2   Pins 2 & 3
             closed       closed       closed      closed       closed

      5     Pins 7 & 8  Pins 2 & 3   Pins 2 & 3   Pins 2 & 3   Pins 1 & 2
             closed       closed       closed      closed       closed

                       COLOR FREQUENCY CONFIGURATION

                 Setting                                 J3

       Color display 14.31818MHz clock           Pins 1 & 2 closed

            Monochrome 16MHz clock                Pins 3 & 4 closed

       640 x 400 display 23.4 MHz clock           Pins 5 & 6 closed

                        PARALLEL PORT CONFIGURATION

                Setting                               J4/SW1

                  Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                          GAME PORT CONFIGURATION

                Setting                               J4/SW2

                  Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                 VERTICAL SYNCHRONIZE PULSE CONFIGURATION

                Setting                               J5/SW1

                 Positive                       Pins 1 & 2 closed

                  Negative                       Pins 2 & 3 closed

                HORIZONTAL SYNCHRONIZE PULSE CONFIGURATION

                Setting                               J5/SW2

                 Positive                       Pins 1 & 2 closed

                  Negative                       Pins 2 & 3 closed

                          DISPLAY MODE SELECTION

             Mode                 J5/SW3         J5/SW4         J5/SW5

     Color/graphics display     Pins 1 & 2    Pins 2 & 3     Pins 1 & 2
                                  closed         closed         closed

          Composite color        Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
         graphics display         closed         closed         closed

        Composite monochrome     Pins 2 & 3    Pins 1 & 2     Pins 2 & 3
         graphics display         closed         closed         closed

          640 x 400 color        Pins 1 & 2    Pins 1 & 2     Pins 2 & 3
         graphics display         closed         closed         closed

        Monochrome graphics      Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
              display             closed         closed         closed

        Disabled all display     Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
               modes              closed         closed         closed

                         MOUSE PORT CONFIGURATION

                Setting                               J6/SW1

                  Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

