decoding … 0000.00.18.1 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 0000 : PCI domain (each domain can contain up to 256 PCI buses) 00 : the bus number the device is attached to 18 : the device number .1 : PCI device function http://froisa.com/wp-content/uploads/2010/04/lspci-tv.txt