is any of this useful?

using x470 Hero vii Asus motherboard

flashrom -p internal -r BACKUP.ROM

Using 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.

=========== lspci -nnvx SMBus =====

00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 59)

Subsystem: ASUSTeK Computer Inc. FCH SMBus Controller [1043:8747]
Flags: 66MHz, medium devsel
Kernel driver in use: piix4_smbus
Kernel modules: i2c_piix4, sp5100_tco
00: 22 10 0b 79 03 04 20 02 59 00 05 0c 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 43 10 47 87
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00