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

   VxD = 049Bh

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 #2329)

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

(Table 1026)
Values for VNBT (VxD ID 049Bh) service number:
 00h   get VNBT version???

See Also: #1025,#1027