-[0000:00]-+-00.0  Intel Corporation E7220/E7221 Memory Controller Hub
           +-01.0-[0000:01-02]--+-00.0-[0000:02]--
           |                    \-00.1  Intel Corporation 6700/6702PXH I/OxAPIC Interrupt Controller A
           +-02.0  Intel Corporation E7221 Integrated Graphics Controller
           +-1c.0-[0000:03]----00.0  Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express
           +-1c.1-[0000:04]----00.0  Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express
           +-1d.0  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1
           +-1d.1  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2
           +-1d.2  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3
           +-1d.3  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4
           +-1d.7  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller
           +-1e.0-[0000:05]--
           +-1f.0  Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface Bridge
           +-1f.1  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller
           +-1f.2  Intel Corporation 82801FR/FRW (ICH6R/ICH6RW) SATA Controller
           \-1f.3  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller