*-usb:0
             description: USB controller
             product: KeyLargo/Intrepid USB
             vendor: Apple Inc.
             physical id: 6
             bus info: pci@0000:00:06.0
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: ohci bus_master cap_list
             configuration: driver=ohci-pci latency=64
             resources: irq:22 memory:f0804000-f0804fff
        *-bridge UNCLAIMED
             description: Bridge
             product: 82371AB/EB/MB PIIX4 ACPI
             vendor: Intel Corporation
             physical id: 7
             bus info: pci@0000:00:07.0
             version: 08
             width: 32 bits
             clock: 33MHz
             capabilities: bridge bus_master
             configuration: latency=0
        *-usb:1
             description: USB controller
             product: 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller
             vendor: Intel Corporation
             physical id: b
             bus info: pci@0000:00:0b.0
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: ehci bus_master
             configuration: driver=ehci-pci latency=64
             resources: irq:19 memory:f0805000-f0805fff