Int 62 Fn 00D4  u - Fgdriver V4.02 - "fg_vbinit" - Initialize Virtual Buf  [V]

   AX = 00D4h

Return: nothing

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145)
   this function must be called before any other virtual buffer functions
     are used

See Also: AX=00CDh,AX=00D5h