On Saturday 31 December 2011 13:55:45 Idwer Vollering wrote: > 2011/12/31 Prakash Punnoor <[email protected]>: > > On 31.12.2011 11:39, Paul Menzel wrote: > >> Am Samstag, den 31.12.2011, 10:55 +0100 schrieb Prakash Punnoor: > >>> flashrom kind of works on my system, but not with the factory > >>> images. If I read it out with flashrom and write it back with > >>> flashrom (also to a different chip) it works. The sizes of factory > >>> and dumped image are same but they are somewhat binary different. > >>> Any idea? The motherboard is Abit A-S78H. As I am playing around > >>> with coreboot - so far unsuccessfully - I want to know whether > >>> flashrom is writing the generated image correctly... I can upload > >>> both images somewhere if interested. This is flashrom output on my > >>> system: > >>> > >>> > >>> flashrom v0.9.4-r1395 on Linux 3.2.0-rc7+ (x86_64), built with > >>> libpci 3.1.7, GCC 4.5.2, little endian > >>> flashrom is free software, get the source code at > >>> http://www.flashrom.org > >>> > >>> Calibrating delay loop... OK. > >>> Found chipset "AMD SB700/SB710/SB750/SB850". Enabling flash write... > >>> OK. This chipset supports the following protocols: LPC, FWH, SPI. > >>> Found Macronix flash chip "MX25L8005" (1024 kB, SPI) at physical > >>> address 0xfff00000. > >>> No operations were specified. > >> > >> Unfortunately this question seems not be listed in the FAQ. Most of > >> the > >> time some areas differ because the MAC address and other configuration > >> data of the downloaded images differs [2]. I hope you mean the > >> downloaded image by factory/vendor image. > > > > To clarify: > > - Image I got from vendor web page: Flashed with flashrom won't work > > (machine doesn't POST). Flashed with awdflash works. > > Is the bootblock in the downloaded image intact/present? You can use > bios_extract: http://cgit.freedesktop.org/~libv/bios_extract > > What happens when you reset the CMOS/ESCD data after flashing with > flashrom? awdflash does that with the /cp parameter, see > http://www.plasma-online.de/textual/howto/flash_award.html
For what is worth, I tried flashing dumped file and then factory bios on top. this worked, so I guess everythign is alright. I'l send a separate mail for inclusion in wiki. Regards, Prakash
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