INT 21 - LANtastic - GET INACTIVE SERVER ENTRY                                  
	AX = 5F84h
	BX = server index not currently logged into
	ES:DI -> 16-byte buffer for server name which is available for logging
		in to ("\\" prefix omitted)
Return: CF clear if successful
	    DL = adapter number to non-logged in server is on
	CF set on error
	    AX = error code
SeeAlso: AX=5F81h