pciutils

lspci: This program displays detailed information about all PCI busses
and devices in the system, replacing the original /proc/pci interface.
setpci: This program allows reading from and writing to PCI device
configuration registers. For example, you can adjust the latency timers
with it.
update-pciids: This program downloads the current version of the
pci.ids file.

          

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License: GPL-2.0-or-later
URL: https://mj.ucw.cz/sw/pciutils/