[LinuxBIOS] W39V040BPZ or vt8237. Flashing problems.

ron minnich rminnich at gmail.com
Fri Sep 28 23:28:16 CEST 2007

On 9/28/07, Adam Talbot <talbotx at comcast.net> wrote:
> Have three motherboards running cn700, VT8237 chips set.  All three
> boards have W39V040BPZ bios chips.  I can not program them with
> flashrom.  Flashrom see the chip as W39V040B.  Flashrom start on the
> flash and just sits there.  When flashed with the -V option I can see
> the memory address is not changing.  But, big problem is the fact that
> the chip does get a bit flashed, as, I can no longer boot. So there is
> something happening.

I think this is a caching problem. Usually when it just sits there and
"part way flashes", it means that you were mostly programming the
cache, except for a few times when the cache flushed and incidentally
wrote the part.

Does this part have MTRR? IF so, can you do this
cat /proc/mtrr


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