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Home / Intel® Graphics for Linux* / 2019-2020 Intel(r) processors based Comet Lake platform / Development / Intel® Graphics for Linux* - How to dump Video BIOS

How to dump Video BIOS

Published by:
Rodrigo Vivi
Last modification:
Mar 01, 2015

Documentation

These commands can be used to dump VBIOS into vbios.dump, so you can provide this info to help debugging.

  • echo 1 > /sys/devices/pci0000:00/0000:00:02.0/rom
  • cat /sys/devices/pci0000:00/0000:00:02.0/rom > vbios.dump
  • echo 0 > /sys/devices/pci0000:00/0000:00:02.0/rom

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