I tried to read my mobos bios, got this message.
sudo flashrom --programmer internal -r ASRock_B450_test.bin
flashrom v1.1-rc1-70-g71b706f on Linux 5.2.14-arch2-1-ARCH (x86_64)
flashrom is free software, get the source code at
https://flashrom.orgUsing clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found chipset "AMD FP4".
Enabling flash write... FCH device found but SMBus revision 0x59 does not match known values.
Please report this to
flashrom@flashrom.org and include this log and
the output of lspci -nnvx, thanks!.
Could not determine chipset generation.PROBLEMS, continuing anyway
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.