Lately I have tried
flashrom -p internal:laptop=force_I_want_a_brick --read Xi3650.rom
on my Fujitsu Siemens Amilo Xi 3650 laptop and it has worked quite well. ... Found chipset "Intel ICH9M-E". Found Winbond flash chip "W25X16" (2048 kB, SPI) at physical address 0xffe00000.
sha256sum Xi3650.rom
8c5095d38bffe9b87d481ba8da395e48d9dcfadd43176979fd69e5da249b3763 Xi3650.rom
BIOS (according to dmidecode) is Vendor: Phoenix Version: 1.0H-1646-0024 Release Date: 04/15/2010
I would love to see it under 'supported boards' in the future. More information can be found in the attachements.