Index: head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/virtualization/chapter.xml
@@ -1444,6 +1444,12 @@
 	and Input/Output Memory Management Unit (<link
 	  xlink:href="http://en.wikipedia.org/wiki/List_of_IOMMU-supporting_hardware">IOMMU</link>)
 	support in the host processor.</para>
+
+      <note>
+	<para>In order to run a FreeBSD &xen; Dom0 the box must be
+	  booted using legacy boot (BIOS).</para>
+      </note>
+
     </sect2>
 
     <sect2 xml:id="virtualization-host-xen-dom0-setup">
@@ -1464,7 +1470,7 @@
 	Otherwise, DomU VMs with higher memory requirements will not
 	run.</para>
 
-      <screen>&prompt.root; <userinput>sysrc -f /etc/sysctl.conf vm.max_wired=-1</userinput></screen>
+      <screen>&prompt.root; <userinput>echo 'vm.max_wired=-1' >> /etc/sysctl.conf</userinput></screen>
 
       <para>Another memory-related setting involves changing
 	<filename>/etc/login.conf</filename>, setting the
@@ -1516,12 +1522,6 @@
 	    experiencing issues.</para>
 	</tip>
 
-	<para>&xen; provides a boot menu to activate and de-activate
-	  the hypervisor on demand in
-	  <filename>/boot/menu.rc.local</filename>:</para>
-
-	<screen>&prompt.root; <userinput>echo "try-include /boot/xen.4th" >> /boot/menu.rc.local</userinput></screen>
-
 	<para>Activate the xencommons service during system
 	  startup:</para>
 
@@ -1532,12 +1532,12 @@
 	  DomU machines.  To fix that, define a bridged interface with
 	  the main NIC of the system which the DomU VMs can use to
 	  connect to the network.  Replace
-	  <replaceable>igb0</replaceable> with the host network
+	  <replaceable>em0</replaceable> with the host network
 	  interface name.</para>
 
-	<screen>&prompt.root; <userinput>sysrc autobridge_interfaces=bridge0</userinput>
-&prompt.root; <userinput>sysrc autobridge_bridge0=<replaceable>igb0</replaceable></userinput>
-&prompt.root; <userinput>sysrc ifconfig_bridge0=SYNCDHCP</userinput></screen>
+	<screen>&prompt.root; <userinput>sysrc cloned_interfaces="bridge0"</userinput>
+	  &prompt.root; <userinput>sysrc ifconfig_bridge0="addm <replaceable>em0</replaceable> SYNCDHCP"</userinput>
+	  &prompt.root; <userinput>sysrc ifconfig_<replaceable>em0</replaceable>="up"</userinput></screen>
 
 	<para>Restart the host to load the &xen; kernel and start the
 	  Dom0.</para>