INT 10 - VESA XGA BIOS Extensions - GET XGA ENVIRONMENT INFORMATION AX = 4E00h ES:DI -> 256-byte buffer for XGA information (see #00069) Return: AL = 4Eh if function supported AH = status 00h successful else error code Desc: determine whether VESA XGA extensions are present and the capabilities supported by the display adapter SeeAlso: AX=4E01h,AX=4E02h,AX=4F00h Index: installation check;VESA XGA