INT 21 - Novell NetWare - FILE SERVER - DOWN FILE SERVER                        
	AH = E3h subfn D3h
	DS:SI -> request buffer (see #02026)
	ES:DI -> reply buffer (see #02024)
Return: AL = status (00h,C6h,FFh) (see #02025)
Desc:	take down the file server
Notes:	this function is supported by Advanced NetWare 2.1+
	the calling workstation must have SUPERVISOR privileges
SeeAlso: AH=E3h/SF=C8h,AH=E3h/SF=CBh,AH=E3h/SF=CFh,AH=E3h/SF=D1h


(Table 02025)
Values for NetWare function status:
 00h	successful
 C6h	no console rights
 FFh	files open
SeeAlso: #02002,#02053


Format of NetWare "Down File Server" request buffer:
Offset	Size	Description	(Table 02026)
 00h	WORD	0002h (length of following data)
 02h	BYTE	D3h (subfunction "Down File Server")
 03h	BYTE	flag: force down even if files open if nonzero
SeeAlso: #02024