11 lines
912 B
Markdown
11 lines
912 B
Markdown
# pciutils
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The PCI Utilities package contains a library for portable access to PCI bus configuration space and several utilities based on this library.
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Current version works only on Linux and FreeBSD, but it can be easily extended to work on other systems as well.
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The utilities include: (See manual pages for more details) :
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lspci - displays detailed information about all PCI busses and devices in the system, replacing the original /proc/pci interface.
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setpci - allows to read from and write to PCI device configuration registers. For example, you can adjust the latency timers with it.
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The library (and therefore all the utilities) - can access PCI registers either via the /proc/bus/pci interface present since Linux 2.1.82 or via direct hardware access (to be used with older kernels and also for hardware diagnostics).
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It's also capable of reading and interpreting register dumps printed by `lspci -x'.
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