Hi,

The p5gc-mx is still supported (src/mainboard/asus/p5gc-mx in a git snapshot).

It seems the mainboard consists of i945GC northbridge and ICH7 southbridge 
(82801GX).
Both are supported, in a fact I'm using a board with i945GM+ICH7 which is 
almost the same.

However there may be some outdated things. My board had incomplete devicetree 
and chipset
initialization had a weird problem with cache preload few weeks ago. But it 
should be
still possible to boot a linux system (or at least to report bugs ;-) ). 

If you are planning to test it, make sure you will be able to flash back the 
original
bios, or even better flash coreboot into a separate chip so you can hot swap it.

Having an RS232 adapter to see the logs is also extremely useful.

ad boot: Coreboot only initialize the hardware and starts the payload. The boot 
itself
is made by one of the payloads, for example seabios. And yes seabios supports 
booting
from USB OHCI/EHCI/XHCI controller.

Petr

Dne 11. 08. 22 v 16:44 Benoît Dufour napsal(a):
> Hello,
> I saw one of my old board is listed compatible on the CoreBoot wiki :
> https://www.coreboot.org/Board:asus/p5gc-mx
> but knowing the wiki is "being retired".
> I don't know if it is still supported by the latest version of CoreBoot.
> 
> Then the Status (as of commit 5bb27b7815) chart has broken colors.
> So it is hard to me to tell if everything is working fine or not.
> 
> Then my board is the P5GC-MX/1333 and not the P5GC-MX.
> I could attempt to flash the Coreboot BIOS to it, but
> I would want to know if it could bring me some advantages other than
> "it is free software". For example, the original manufacturer BIOS
> doesn't supports booting from USB, does CoreBoot supports it?
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