Editing IBM Color Graphics Adapter (section)

== Video Modes ==

<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:70%; text-align:center;"
|+'''CGA video modes'''
! Mode !! Resolution !! Colours !! Notes
|-
| 0 || 40 × 25 text || 16 fg / 8 bg || Colour burst on
|-
| 1 || 40 × 25 text || 16 fg / 8 bg || Colour burst suppressed
|-
| 2 || 80 × 25 text || 16 fg / 8 bg ||
|-
| 3 || 80 × 25 text || 16 fg / 8 bg || Colour burst suppressed
|-
| 4 || 320 × 200 graphics || 4 from fixed palettes || Palette 0: cyan/magenta/white; Palette 1: green/red/yellow
|-
| 5 || 320 × 200 graphics || 4 (greyscale on composite) || Composite "alternate" palette
|-
| 6 || 640 × 200 graphics || 2 (background + foreground) || Highest standard resolution
|}

Several undocumented modes can be coaxed out of the 6845 (160 × 100 16-colour text-block mode, composite NTSC artefact colour, and various demoscene techniques), but they are not part of the BIOS interface.