[coreboot] Support ASUS M4A78PRO motherboard ?

Juhana Helovuo juhe at iki.fi
Fri Dec 17 21:14:12 CET 2010


Myles Watson wrote:

> 
> While you're waiting, you could:
> 
> - Check the serial port with another computer and a null-modem cable
> - Compare the lspci from the M4A78 PRO & EM
> - Check to see if the SuperIO is the same
> - Try out AMD SimNOW with coreboot to familiarize yourself with the boot
> process
> 

A zoomable photo of the board available at

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131362

shows that the SuperIO chip is ITE IT8720F. This is not yet supported in 
  Coreboot. ITE web pages offers a data sheet, but it is only a short 
summary with no programming specs. But you could always try with e.g. 
ITE IT8718F driver code, in case that is similar enough for booting.

If the serial port cable is not included with the board, you need to 
also get or build a cable to connect the null-modem cable to "COM1" 
connector on the board.

Remember to keep your original BIOS chip safe, so that you don't 
accidentally flash over it. The safest thing should be to first practice 
with flashrom by reading the original BIOS image, then replacing the 
BIOS chip with a new one while the board is running, and then flashing 
the factory BIOS to the new chip.

Best regards,
Juhana Helovuo







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