Int 2F Fn AC00  - Dos 4.01+ Graphics.com - Installation Check              [V]

   AX = AC00h

Return: AX = FFFFh
   ES:DI -> ??? (graphics data?) (not documented)

Note:  this installation check was moved here to avoid the conflict with the
     CD-ROM extensions that occurred in DOS 4.00

See Also: AX=1500h"GRAPHICS"