The video rom output obtained with: cd /sys/devices/pci0000\:00/0000\:00\:02.0/ echo 1 > rom cat rom > /tmp/rom.bin echo 0 > rom is shown in the next attachement.
The video rom output obtained with: pci0000\ :00/0000\ :00\:02. 0/
cd /sys/devices/
echo 1 > rom
cat rom > /tmp/rom.bin
echo 0 > rom
is shown in the next attachement.