Int 10 Fn 1F00 - Video - Xga - Get Dmqs (display Mode Query And Set) Dat [V] AX = 1F00h Return: AL = 1Fh if supported BX = number of bytes of DMQS data Note: not supported on the original IBM XGA, only on XGA-NI (non-interlaced) and later models. See Also: AX=1F01h