Ok, case closed. Found answer here: http://forum-en.msi.com/index.php?topic=95357.0
quoting: The difference between SST49LF004A and SST49LF004B is that the 4B version supports LPC / FWH Flashing, 4A version can not handle this. I knew SOMETHING about this, but thought it is not my case. This might be useful information in FAQ. Also, more complete explanation might be found here: http://www.rom.by/Art_of_BIOS_flashing By the way, is it possible to add bios chip information (type) to support list? And how about 'soldering' write-enable? As in last link i found there is a pad (#23) called "Write Enable". It might be possible to cut off this line from motherboard solder 'programmable voltage', and program bioses on not-enabled mainboards. Is that correct? Best regards! 2013/10/17 san <[email protected]> > i propably should add verbose... > > > 2013/10/17 san <[email protected]> > >> Hi! >> >> Recently i bought mainboard compatible to flashrom.pinned oryginal bios >> (SST49LF004B) and other chips. >> I do not own exacly same chip, so i tried to replace with some i have: >> >> SST49LF004 / 4A (and smaller 2A and 3A) >> Intel 82802AB8 >> >> but no luck - i can not even read those. >> I replaced back the original chip and i am able to program modified bios. >> >> What is the problem? >> >> Best regards! >> >> -- >> [ e-San.info | [email protected] ] >> > > > > -- > [ e-San.info | [email protected] ] > -- [ e-San.info | [email protected] ]
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