
TWINHEAD INTERNATIONAL CORPORATION

CT-8490

Card Type                   Video card
Video Chip Set              Unidentified
Maximum Video Memory        Unidentified
Video Types Supported       Monochrome, CGA, EGA, VGA
Highest Resolution          800 x 600
Supported
Data Bus                    8-bit ISA

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  VGA feature connector        CN1     9-pin TTL video connector    CN3

  15-pin Analog video          CN2
  connector

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     CT-8490 is primary display card           SW1/5           On

      CT-8490 is secondary display card         SW1/5           Off

                          MONITOR TYPE SELECTION

      Monitor          SW1/1         SW1/2         SW1/3         SW1/4

    Monochrome           On            On           On            On

        CGA             Off            On           On            On

        EGA              On           Off           On            On

        VGA              On            On           On            Off

     Monochrome         Off            On           On            Off
      (PS/2)

   MultiSync TTL        Off           Off           On            On

  MultiSync analog      Off            On           On            Off

                          DISPLAY MODE SELECTION

              Setting                  SW1/6        SW1/7        SW1/8

  Lock at monochrome display mode       On           Off          On

     Lock at CGA display mode           Off          On           On

     Lock at EGA display mode           On           On           Off

     Lock at VGA display mode           On           On           Off

     Lock at VGA display mode           On           On           Off

        Set at auto switch              On           On           On

        Set at auto switch              On           On           On

