On Tue, 10 Mar 2015 00:24:20 +0100
Márton Miklós<[email protected]> wrote:
Hello all,
I have tried to flash an Asus M2N-MX board, and it failed (if I think it
well it needs board enable patch).
The chip is a SST49LF040B as the flashrom detected. (Checked physically)
Product page can be found here:
http://www.asus.com/Motherboards/M2NMX/
Latest BIOS can be found here:
http://dlcdnet.asus.com/pub/ASUS/mb/socketAM2/M2N-MX/M2NX1004.zip
I have forgotten to save lspci and superiotool logs, let me know if it
needed.
Thank you for your help in advance!
Hello,
yes indeed it needs a board enable and we tried (unsuccessfully) to come
up with one:http://patchwork.coreboot.org/patch/3710/
The pipermail link mentioned in the patch has changed since then. It
should be
http://www.flashrom.org/pipermail/flashrom/2010-February/002279.html
I can not remember what we tried... maybe it is only a matter of
changing "raise" to "lower" or we got the wrong gpio pin... I don't
know. Feel free to play around/reverse engineer and please report back
any findings ;)
Hallo Stefan,
I have tried out it8712f_gpio31_raise patch, but it did not worked. I
have measured the #TBL pin voltage, and it was pulled to GND during my
trials.
As a brute force attempt I have added a loop to go through the GPIOs
from 1 to 63 during the board enable, but as I have seen there are
multiple checks to prevent doing something silly with those pins. This
attempt was neither lead to success.
I had to give the board back to the owner, but I might have access to it
in the future.
Lately I had an idea that I will use a DMM (digital multi meter) in
continuity measurement mode and probe through the superio pins and the
#TBL pin.
Regards,
Miklós Márton
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