Int 20  P - Microsoft Windows - Filesec - Vxd Services                     [W]

   VxD = 0491h

Note:  the desired VxD and service number are identified by the data
     immediately following the INT 20 instruction, as in:
       INT 20h
       DW  service number
       DW  VxD identifier

See Also: INT 2F/AX=1684h"DEVICE API",INT 30"Windows",#0961,#1032

(Table 1017)
Values for FILESEC (VxD ID 0491h) service number:
 00h   get FILESEC version???
 01h   ???
 10h   ...last service for Windows95 SP1

See Also: #1016,#1018