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pcitweak (1)
  • >> pcitweak (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    pcitweak - read/write PCI config space
     
    

    SYNOPSIS

    pcitweak -l
    pcitweak -r PCI-ID [-b|-h] offset
    pcitweak -w PCI-ID [-b|-h] offset value  

    DESCRIPTION

    Pcitweak is a utility that can be used to examine or change registers in the PCI configuration space. On most platforms pcitweak can only be run by the root user.  

    OPTIONS

    -l
    Probe the PCI buses and print a line for each detected device. Each line contains the bus location (bus:device:function), chip vendor/device, card (subsystem) vendor/card, revision, class and header type. All values printed are in hexadecimal.
    -r PCI-ID
    Read the PCI configuration space register at offset for the PCI device at bus location PCI-ID. PCI-ID should be given in the form bus:device:function, with each value in hexadecimal. By default, a 32-bit register is read.
    -w PCI-ID
    Write value to the PCI configuration space register at offset for the PCI device at bus location PCI-ID. PCI-ID should be given in the form bus:device:function, with each value in hexadecimal. 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 (dawes@xfree86.org).


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    SEE ALSO
    AUTHORS


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