Int 67 Fn 2763  - Videms.sys V1.31+ - Installation Check                   [m]

   AX = 2763h
   CL = 01h
   BX = signature AAFFh

Return: AH = 00h if VIDEMS is installed
       CH = 00h if optimization for 80286 is used, 01h otherwise
       CL = internal revision number (typically 00h to 03h)
       DX = driver version (DH=major, DL=minor; not a BCD!)
   AH = 84h if not installed but EMS manager is present
Program: VIDEMS is an expanded memory manager from Conea Software Corp. It
    converts video adapter RAM to LIM 3.2 EMS.

See Also: AX=2763h/CL=02h,AX=2763h/CL=03h