MAN page from PLD X11-setup-6.8.2-13.athlon.rpm
PCITWEAK
Section: User Commands (1)
Updated: Version 6.8.2
Index NAME
pcitweak - read/write PCI config space
SYNOPSIS
pcitweak-lpcitweak-rPCI-ID[
-b|
-h]
offsetpcitweak-wPCI-ID[
-b|
-h]
offsetvalue DESCRIPTION
Pcitweakis a utility that can be used to examine or change registers in the PCIconfiguration space. On most platforms
pcitweakcan only be run by the root user.
OPTIONS
- -l
- Probe the PCI buses and print a line for each detected device. Each linecontains the bus location (bus:device:function), chip vendor/device, card(subsystem) vendor/card, revision, class and header type. All valuesprinted are in hexadecimal.
- -r PCI-ID
- Read the PCI configuration space register atoffsetfor the PCI device at bus locationPCI-ID.PCI-IDshould be given in the form bus:device:function, with each value inhexadecimal. By default, a 32-bit register is read.
- -w PCI-ID
- Writevalueto the PCI configuration space register atoffsetfor the PCI device at bus locationPCI-ID.PCI-IDshould be given in the form bus:device:function, with each value inhexadecimal. By default, a 32-bit register is written.
- -b
- Read or write an 8-bit value (byte).
- -h
- Read or write a 16-bit value (halfword).
SEE ALSO
scanpci(1)
AUTHORS
David Dawes(
dawesAATTxfree86.org).
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- OPTIONS
- SEE ALSO
- AUTHORS
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