The widely used VGA mode was the MCGA : 320x200x256. When those kind of display were widely available the CGA and EGA were obsolete and the PC could start to kick Amiga and Atari ST standards out of the place. VGA could also display a 640x480x16 video mode. All those from a 262,144colour total palette (6x6x6 bits).
VGA could also display emulate all previous modes from CGA and EGA cardsmodes. However, due to as VGA monitors no longer being able to handle supported 15KHzsignals, CGA and , EGA , and MCGA modes were typically line-doubled to match the monitor's capabilities.
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