Hi Nikos,

On Wed, May 20, 2020, 07:46 Nikos Mouzakitis <mzktsn@gmail.com> wrote:
Hello this is my output when trying to flash..

Does Incomplete/failed Command Receive Device string plays a role on
the error of verification?
I cannot flash back the original bios contents at the moment on my board.

flashrom v0.9.9-r1954 on Linux 4.15.0-88-generic (x86_64)
flashrom is free software, get the source code at https://flashrom.org

I would suggest using a more recent flashrom version like v1.2 just in case there are relevant bugfixes.

Calibrating delay loop... OK.
Setting voltage to 1800 mV

So dediprog sets its voltage to 1.8V...

Incomplete/failed Command Receive Device String!
Found Winbond flash chip "W25Q64.V" (8192 kB, SPI) on dediprog.

... but this chip is a 3.3V part! Just in case, double-check that the model on the chip matches what flashrom detected (the "." means any character, like W25Q64FV"). You can also turn on the board and measure the voltage between flash chip pins 8 (VCC) and 4 (GND).

In any case, W25Q64.V is a 3.3V part, and W25Q64.W is a 1.8V part. Note the different "V" and "W" endings.

Reading old flash chip contents... done.
Erasing and writing flash chip... Erase/write done.
Verifying flash... FAILED at 0x00000010! Expected=0x5a, Found=0xff, failed byte count from 0x00000000-0x007fffff: 0x2ddb74
Your flash chip is in an unknown state.
Please report this on IRC at chat.freenode.net (channel #flashrom) or
mail flashrom@flashrom.org, thanks!
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Best regards,