Index: /trunk/src/VBox/Main/MachineImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/MachineImpl.cpp	(revision 13722)
+++ /trunk/src/VBox/Main/MachineImpl.cpp	(revision 13723)
@@ -4985,5 +4985,5 @@
             if (!CPUCountNode.isNull())
             {
-                mHWData->mCPUCount = CPUCountNode.value <ULONG> ("CPUCount");
+                mHWData->mCPUCount = CPUCountNode.value <ULONG> ("count");
             }
         }
@@ -6360,5 +6360,5 @@
         /* CPU count */
         Key CPUCountNode = cpuNode.createKey ("CPUCount");
-        CPUCountNode.setValue <ULONG> ("CPUCount", mHWData->mCPUCount);
+        CPUCountNode.setValue <ULONG> ("count", mHWData->mCPUCount);
     }
 
Index: /trunk/src/VBox/Main/xml/VirtualBox-settings-common.xsd
===================================================================
--- /trunk/src/VBox/Main/xml/VirtualBox-settings-common.xsd	(revision 13722)
+++ /trunk/src/VBox/Main/xml/VirtualBox-settings-common.xsd	(revision 13723)
@@ -393,5 +393,5 @@
 
 <xsd:complexType name="TCPUCount">
-  <xsd:attribute name="CPUCount">
+  <xsd:attribute name="count">
     <xsd:simpleType>
       <xsd:restriction base="xsd:unsignedInt">