See Section "Set Mode", these are the real mode BIOS mode sets for interrupt 10h, subfunction AH=0[1].

The keyboard remapping function is also specific to ANSI.SYS[2].

[1] http://www.ctyme.com/intr/rb-0069.htm

[2] https://en.wikipedia.org/wiki/ANSI.SYS#Keyboard_remapping