In serial log is: SeaBIOS (version rel-1.7.3-123-gfeb0284
I build coreboot like this: cd /coreboot/build rm coreboot.rom rm -R seabios git clone https://github.com/KevinOConnor/seabios -b testing cd seabios make menuconfig -> coreboot and debug 8 patch -p1 < fdd.p patch -p1 < config.p make cd ../.. make menuconfig and Payload None make ./build/cbfstool build/coreboot.rom add-payload -f build/seabios/out/bios.bin.elf -n fallback/payload -c lzma ./build/seabios/scripts/encodeint.py floppy0 4 ./build/cbfstool build/coreboot.rom add -f floppy0 -n etc/floppy0 -t raw ./build/seabios/scripts/readserial.py /dev/ttyS0 115200