root@serverraum:..src/flashrom> ./flashrom -r old.rom
flashrom v0.9.1-r758
No coreboot table found.
Found chipset "SiS SiS 735", enabling flash write... FAILED!
This chipset supports the following protocols: Non-SPI.
Calibrating delay loop... OK.
Found chip "Winbond W49F002U" (256 KB, Parallel) at physical address 0xfffc0000.
Reading flash... done.
root@serverraum:..src/flashrom> ./flashrom -w mitpxe19.rom 
flashrom v0.9.1-r758
No coreboot table found.
Found chipset "SiS SiS 735", enabling flash write... FAILED!
This chipset supports the following protocols: Non-SPI.
Calibrating delay loop... OK.
Found chip "Winbond W49F002U" (256 KB, Parallel) at physical address 0xfffc0000.
Flash image seems to be a legacy BIOS. Disabling checks.
Writing flash chip... Programming page: 2047 at address: 0x0003ff80 
COMPLETE.
Verifying flash... VERIFIED.          
root@serverraum:..src/flashrom> reboot
(machine is rebooting)
root@serverraum:..src/flashrom> ./flashrom -r new.rom
flashrom v0.9.1-r758
No coreboot table found.
Found chipset "SiS SiS 735", enabling flash write... FAILED!
This chipset supports the following protocols: Non-SPI.
Calibrating delay loop... OK.
Found chip "Winbond W49F002U" (256 KB, Parallel) at physical address 0xfffc0000.
Reading flash... done.
root@serverraum:..src/flashrom> cmp old.rom new.rom
old.rom new.rom differ: byte 237573, line 841
root@serverraum:..src/flashrom>