You can mark the "Intel H97" Chipset as working ; "modprobe -r lpc_ich" do the 
trick. I write AMIBIOS v5.8, tested ; and going back to AMIBIOS v5.9. ALL OK.

guille@goku:~/Desktop/7850v59/7850v58$ sudo flashrom -p internal -w E7850IMS.
580 
flashrom unknown on Linux 6.1.0-5-amd64 (x86_64)
flashrom is free software, get the source code at https://flashrom.org

Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found chipset "Intel H97".
This chipset is marked as untested. If you are using an up-to-date version
of flashrom *and* were (not) able to successfully update your firmware with 
it,
then please email a report to flashrom@flashrom.org including a verbose (-V) 
log.
Thank you!
Enabling flash write... SPI Configuration is locked down.
FREG0: Flash Descriptor region (0x00000000-0x00000fff) is read-write.
FREG1: BIOS region (0x00980000-0x00ffffff) is read-write.
FREG2: Management Engine region (0x00001000-0x0097ffff) is read-write.
Enabling hardware sequencing because some important opcode is locked.
OK.
Found Programmer flash chip "Opaque flash chip" (16384 kB, Programmer-
specific) on internal.
Reading old flash chip contents... done.
Erasing and writing flash chip... Erase/write done.
Verifying flash... VERIFIED.

Greeteng
Guillermo Reisch


El martes, 28 de febrero de 2023 16:06:27 -03 Guillermo Reisch escribió:
> Mother home page
> https://www.msi.com/Motherboard/H97-PC-Mate
> 
> SO:
>  Debian SID (x86_64)
> 
> FlashROM version:
> guille@goku:~/Desktop/7850v59$ dpkg -l flashrom
> Deseado=desconocido(U)/Instalar/eliminaR/Purgar/retener(H)
> 
> | Estado=No/Inst/ficheros-Conf/desempaqUetado/medio-conF/medio-inst(H)/esper
> | a-
> disparo(W)/pendienTe-disparo
> 
> |/ Err?=(ninguno)/requiere-Reinst (Estado,Err: mayúsc.=malo)
> |
> ||/ Nombre         Versión      Arquitectura Descripción
> 
> +++-==============-============-============-
> =============================================================
> ii  flashrom       1.3.0-2      amd64        Identify, read, write, erase,
> and verify BIOS/ROM/flash chips
> 
> LOG:
> 
> guille@goku:~/Desktop/7850v59$ sudo flashrom -p internal -r backup.bin -V
> flashrom unknown on Linux 6.1.0-5-amd64 (x86_64)
> flashrom is free software, get the source code at https://flashrom.org
> 
> Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
> flashrom was built with GCC 12.2.0, little endian
> Command line (5 args): flashrom -p internal -r backup.bin -V
> Initializing internal programmer
> /sys/class/mtd/mtd0 does not exist
> No coreboot table found.
> Using Internal DMI decoder.
> DMI string chassis-type: "Desktop"
> DMI string system-manufacturer: "MSI"
> DMI string system-product-name: "MS-7850"
> DMI string system-version: "1.0"
> DMI string baseboard-manufacturer: "MSI"
> DMI string baseboard-product-name: "H97 PC Mate(MS-7850)"
> DMI string baseboard-version: "1.0"
> Found chipset "Intel H97" with PCI ID 8086:8cc6.
> This chipset is marked as untested. If you are using an up-to-date version
> of flashrom *and* were (not) able to successfully update your firmware with
> it,
> then please email a report to flashrom@flashrom.org including a verbose (-V)
> log.
> Thank you!
> Enabling flash write... Root Complex Register Block address = 0xfed1c000
> Error accessing ICH RCRB, 0x4000 bytes at 0x00000000fed1c000
> /dev/mem mmap failed: Operation not permitted
> FAILED!
> FATAL ERROR!
> Error: Programmer initialization failed.




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