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setpci Command - Configure PCI Devices
The setpci command is used to query and configure PCI device parameters directly from the command line. It allows reading and writing PCI configuration registers on Linux systems.
Syntax
setpci [options] device command
Examples
setpci -v
Show verbose output of setpci operations.
setpci -s 00:1f.2 60.b
Read the value of register 0x60 from the PCI device at bus 00:1f.2.
setpci -s 00:1f.2 60.b=ff
Write the value 0xff to register 0x60 of the PCI device at bus 00:1f.2.
Notes
- Root privileges are required to modify PCI device settings.
- setpci is part of the
pciutilspackage on most Linux distributions. - Incorrect usage may cause hardware or system instability.
