Apparently the 720x400 mode is a text mode, according to: https://retrocomputing.stackexchange.com/questions/14806/why-do-pcs-boot-in-720x400-resolution https:/

Apparently the 720x400 mode is a text mode, according to: https://retrocomputing.stackexchange.com/questions/14806/why-do-pcs-boot-in-720x400-resolution https://retrocomputing.stackexchange.com/questions/14806/why... I would agree it's not a mode that was commonly used for vga dos games, which used lower resolutions around 300x200 and 8 bit color.