--- /dev/null
+###########################################################################
+#
+# You can pass this file directly to qemu using the -readconfig
+# command line switch.
+#
+# This config file creates a EHCI adapter with companion UHCI
+# controllers as multifunction device in PCI slot "1d".
+#
+# Specify "bus=ehci.0" when creating usb devices to hook them up
+# there.
+#
+
+[device "ehci"]
+ driver = "ich9-usb-ehci1"
+ addr = "1d.7"
+ multifunction = "on"
+
+[device "uhci-1"]
+ driver = "ich9-usb-uhci1"
+ addr = "1d.0"
+ multifunction = "on"
+ masterbus = "ehci.0"
+ firstport = "0"
+
+[device "uhci-2"]
+ driver = "ich9-usb-uhci2"
+ addr = "1d.1"
+ multifunction = "on"
+ masterbus = "ehci.0"
+ firstport = "2"
+
+[device "uhci-3"]
+ driver = "ich9-usb-uhci3"
+ addr = "1d.2"
+ multifunction = "on"
+ masterbus = "ehci.0"
+ firstport = "4"