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505fe2ba30
Reverted darwin/bundle/**/Credits.rtf to XFree86 versions to avoid
future conflicts on ASCII but not humal readable files. (There should
probably be separate CreditsXorg.rtf files) (Egbert Eich).
64 lines
1.5 KiB
Text
64 lines
1.5 KiB
Text
.\" $XFree86: xc/programs/Xserver/hw/xfree86/etc/pcitweak.man,v 3.3 2001/01/27 18:20:56 dawes Exp $
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.TH PCITWEAK 1 __vendorversion__
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.SH NAME
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pcitweak - read/write PCI config space
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.SH SYNOPSIS
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.B pcitweak
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.B \-l
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.br
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.B pcitweak
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.B \-r
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.I PCI-ID
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.RB [ \-b | \-h ]
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.I offset
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.br
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.B pcitweak
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.B \-w
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.I PCI-ID
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.RB [ \-b | \-h ]
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.I offset
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.I value
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.SH DESCRIPTION
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.I Pcitweak
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is a utility that can be used to examine or change registers in the PCI
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configuration space. On most platforms
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.I pcitweak
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can only be run by the root user.
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.SH OPTIONS
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.TP 8
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.B \-l
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Probe the PCI buses and print a line for each detected device. Each line
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contains the bus location (bus:device:function), chip vendor/device, card
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(subsystem) vendor/card, revision, class and header type. All values
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printed are in hexadecimal.
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.TP 8
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.BI "\-r " PCI-ID
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Read the PCI configuration space register at
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.I offset
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for the PCI device at bus location
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.IR PCI-ID .
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.I PCI-ID
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should be given in the form bus:device:function, with each value in
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hexadecimal. By default, a 32-bit register is read.
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.TP 8
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.BI "\-w " PCI-ID
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Write
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.I value
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to the PCI configuration space register at
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.I offset
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for the PCI device at bus location
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.IR PCI-ID .
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.I PCI-ID
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should be given in the form bus:device:function, with each value in
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hexadecimal. By default, a 32-bit register is written.
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.TP 8
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.B \-b
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Read or write an 8-bit value (byte).
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.TP 8
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.B \-h
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Read or write a 16-bit value (halfword).
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.SH "SEE ALSO"
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scanpci(1)
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.SH AUTHORS
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David Dawes
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.RI ( dawes@xfree86.org ).
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