On Mon, 6 Aug 2018 10:07:47 +0300
Владимир Амельянович <amelyanovich.vladimir@gmail.com> wrote:

> Hello.
> Please could you help me?
> I have chipset "Intel ICH7/ICH7R". It is marked as fully supported. I did
> the following steps 1) made backup 2) changed some setting(disable internal
> audio) 3) made backup again.  I made hexdump comparision of files from
> steps 1), 3) and there are no changes at all. What did i wrong?
>

Hi,

there is nothing wrong. On old boards such settings are often saved in
the CMOS NVRAM, which is not part of the flash memory.

--
Kind regards/Mit freundlichen Grüßen, Stefan Tauner