Int 2F Fn 2E00  U - Novell Dos 7 - Graftabl - Installation Check           [V]

   AX = 2E00h

Return: AH = FFh if installed

Note:  this installation check does not follow the usual format of setting
     AL to FFh

See Also: AX=2300h,AH=2Eh"GRAFTABL"