diff --git a/gns3server/modules/dynamips/nodes/router.py b/gns3server/modules/dynamips/nodes/router.py
index 2c50c747..331c60b8 100644
--- a/gns3server/modules/dynamips/nodes/router.py
+++ b/gns3server/modules/dynamips/nodes/router.py
@@ -76,7 +76,7 @@ class Router(object):
         self._sparsemem = True
         self._clock_divisor = 8
         self._idlepc = ""
-        self._idlemax = 1500
+        self._idlemax = 500
         self._idlesleep = 30
         self._ghost_file = ""
         self._ghost_status = 0
diff --git a/gns3server/modules/iou/__init__.py b/gns3server/modules/iou/__init__.py
index c80cd984..385105cc 100644
--- a/gns3server/modules/iou/__init__.py
+++ b/gns3server/modules/iou/__init__.py
@@ -61,10 +61,9 @@ class IOU(IModule):
                     break
 
         if not self._iouyap or not os.path.exists(self._iouyap):
-            raise IOUError("iouyap binary couldn't be found!")
-
-        if not os.access(self._iouyap, os.X_OK):
-            raise IOUError("iouyap is not executable")
+            log.warning("iouyap binary couldn't be found!")
+        elif not os.access(self._iouyap, os.X_OK):
+            log.warning("iouyap is not executable")
 
         # a new process start when calling IModule
         IModule.__init__(self, name, *args, **kwargs)
@@ -185,6 +184,10 @@ class IOU(IModule):
             except EnvironmentError as e:
                 raise IOUError("Could not save iourc file to {}: {}".format(f.name, e))
 
+        if "iouyap" in request and request["iouyap"]:
+            self._iouyap = request["iouyap"]
+            log.info("iouyap path set to {}".format(self._iouyap))
+
         if "working_dir" in request and self._working_dir != request["working_dir"]:
             self._working_dir = request["working_dir"]
             log.info("this server is local with working directory path to {}".format(self._working_dir))
diff --git a/gns3server/modules/iou/ioucon.py b/gns3server/modules/iou/ioucon.py
index 858ab8a7..e767b73d 100644
--- a/gns3server/modules/iou/ioucon.py
+++ b/gns3server/modules/iou/ioucon.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2014 GNS3 Technologies Inc.
+# Copyright (C) 2013, 2014  James E. Carpenter
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,8 +16,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-# Contribution from James Carpenter
-#
 
 import socket
 import sys
@@ -613,7 +611,7 @@ def start_ioucon(cmdline_args, stop_event):
                             with IOU(ttyC, ttyS, stop_event) as router:
                                 send_recv_loop(console, router, b'', stop_event)
                     else:
-                        with TTY() as console, IOU(ttyC, ttyS, stop_event) as router:
+                        with IOU(ttyC, ttyS, stop_event) as router, TTY() as console:
                             send_recv_loop(console, router, esc_char, stop_event)
                 except ConnectionRefusedError:
                     pass