[SerialICE] [coreboot] Boots from PCI add-on card on Intel ICHs

[Patrick Georgi]

Am Mo 21 Mai 2012 05:32:42 CEST schrieb ron minnich:
> Maybe I misunderstand, but this is how Etherboot originally worked:
> flash a new expansion rom onto, e.g., a 3c905 and that could take over
> the boot process.
But only after the PC BIOS did its work.
This trick exploits that some chipsets allow PCI devices to respond to 
the system firmware region (4gb-flashsize), so it's coreboot running 
from the plugin card.


Patrick

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