Int 15 Fn BFDE  - Desqview/x 1.02+ - Dvdos4gx.dvr - ???                    [E]

   AX = BFDEh
   BX = 0004h
   CL = ???

Return: BX = 0000h (success)
   CX:DX -> XBRK structure (see #0432)

See Also: AX=BFDEh/BX=0000h