Did not work on my board.
# ./flashrom-guppy -w Guppy-I-unlocked-bios.bin -p internal flashrom v0.9.6.1-r1564 on Linux 2.6.32 (x86_64) flashrom is free software, get the source code at http://www.flashrom.org
Calibrating delay loop... OK. Found chipset "Intel DH89xxCC". This chipset is marked as untested. If you are using an up-to-date version of flashrom *and* were (not) able to successfully update your firmware with it, then please email a report to flashrom@flashrom.org including a verbose (-V) log. Thank you! Enabling flash write... OK. Found SST flash chip "SST25VF064C" (8192 kB, SPI) at physical address 0xff800000. Error: Image size doesn't match
# ./flashrom-guppy -V flashrom v0.9.6.1-r1564 on Linux 2.6.32 (x86_64) flashrom is free software, get the source code at http://www.flashrom.org
flashrom was built with libpci 3.1.4, GCC 4.4.6 20110731 (Red Hat 4.4.6-3), little endian Command line (1 args): ./flashrom-guppy -V Please select a programmer with the --programmer parameter. Valid choices are: internal, dummy, nic3com, nicrealtek, gfxnvidia, drkaiser, satasii, serprog, buspirate_spi, rayer_spi, pony_spi, nicintel, nicintel_spi, ogp_spi, satamv, linux_spi #