Format of NetWare "Get Volume Number" request buffer:
Offset	Size	Description	)
 00h	WORD	length of following data (max 12h)
 02h	BYTE	05h (subfunction "Get Volume Number")
 03h	BYTE	length of volume name (01h-10h)
 04h  N BYTEs	volume name
SeeAlso: #01853,#02113 at AX=F216h/SF=05h