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   ForceDCCcode    [Type: byte]        [Range: 1-255]      [Default: BIOS]

        [* CAUTION *]

        By default, NGX will goto BIOS to determine what type of video
        adapter is installed. NGX will auto-detect the following display
        combination codes (DCC):
           1  Mono (MDA or EGA in mono)   7  VGA mono
           2  CGA                         8  VGA color
           4  EGA color                  11  MCGA mono
           5  EGA mono                   12  MCGA color

        If you have a good reason to fool NGX, you can set ForceDCCcode to
        a non-zero value to skip the auto-detection. It may be the way to
        make a non-standard adapter use the palette and EGAlines features.

            +------------------------------------------------------+
            | Using this keyword may lead to unpredictable results |
            +------------------------------------------------------+

        Tech note: Using ForceDCCcode does not issue Int 10h/AX=1A01h, so
                   BIOS's idea of the video hardware is not disturbed. It
                   just tells NGX to pretend the current video adapter is
                   the specified type.