diff --git a/src/Types/VirtualCdromAtapiBackingInfo.php b/src/Types/VirtualCdromAtapiBackingInfo.php
new file mode 100644
index 0000000..ec68bd9
--- /dev/null
+++ b/src/Types/VirtualCdromAtapiBackingInfo.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Xelon\VmWareClient\Types;
+
+class VirtualCdromAtapiBackingInfo extends VirtualDeviceDeviceBackingInfo
+{
+
+}
diff --git a/src/Types/VirtualUSBControllerPciBusSlotInfo.php b/src/Types/VirtualUSBControllerPciBusSlotInfo.php
new file mode 100644
index 0000000..1346da1
--- /dev/null
+++ b/src/Types/VirtualUSBControllerPciBusSlotInfo.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Xelon\VmWareClient\Types;
+
+class VirtualUSBControllerPciBusSlotInfo extends VirtualDevicePciBusSlotInfo
+{
+    public $ehciPciSlotNumber;
+}