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18.5. Viewing Hardware Information

18.5.1. Using the lspci Command

The lspci command lists all PCI devices that are present in the system:
lspci
For example:
~]$ lspci
00:00.0 Host bridge: Intel Corporation 82X38/X48 Express DRAM Controller
00:01.0 PCI bridge: Intel Corporation 82X38/X48 Express Host-Primary PCI Express Bridge
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
[output truncated]
You can also use the -v command line option to display more verbose output, or -vv for very verbose output:
lspci -v|-vv
For instance, to determine the manufacturer, model, and memory size of a system's video card, type:
~]$ lspci -v
[output truncated]

01:00.0 VGA compatible controller: nVidia Corporation G84 [Quadro FX 370] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: nVidia Corporation Device 0491
        Physical Slot: 2
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f2000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at f0000000 (64-bit, non-prefetchable) [size=32M]
        I/O ports at 1100 [size=128]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: <access denied>
        Kernel driver in use: nouveau
        Kernel modules: nouveau, nvidiafb

[output truncated]
For a complete list of available command line options, refer to the lspci(8) manual page.