3 pci \- print PCI bus configuration
13 normally prints one line per device found on the local PCI bus
17 .IB bus . device . function ,
23 followed by the configuration registers in pairs of
29 option suppresses output for PCI bridges.
32 option adds a second line per device, containing an English description
40 instead looks up each pair in the database and prints the
42 followed by the English description of the vendor and device on a new line if it exists in the database.