[LinuxBIOS] W39V040BPZ or vt8237. Flashing problems.

Adam Talbot talbotx at comcast.net
Fri Sep 28 23:49:25 CEST 2007

Yep, my jetway has that.  It is off.  But I have not tried flashrom on
that board. Can not seem to get the stock BIOS to boot from USB.  The
other two boards are PCChips V21G V1.0C
Corey Osgood wrote:
> Adam Talbot 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. 
>> Looking at the data sheet for the W39V040B, all the PZ gives me is the
>> PLCC package and lead free. So, is this a problem with the vt8237 south
>> bridge?  Where should I go to start debugging?
>> -Adam
> This is the jetway board? Hop into the factory BIOS, under
> Miscellaneous, and disable "Flash Write Protect". I've been flashing
> mine with the exact same chipset and flash part for months now, without
> any problems.
> -Corey

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