Flashing Gigabyte while avoiding "Invalid BIOS image"

[lfb6]

@Dopescustoms

Regarding the hardware programmer, I am unable to get the board to power on at all. Just flashes, about every 2 seconds

That’s not necessary. The programmer is powered by another computer:

[Guide] Using CH341A-based programmer to flash SPI EEPROM

There are many different SPI programmers on the market right now and almost any microcontroller-based board can be used as one, but this time I will speak about one of the cheapest programmers to date - CH341A-based. They are sold from various chinese suppliers for about 4 euro and are capable of flashing with both SPI and I2C chips, working as USB-TTL adapter and USB-I2C bridge. In this guide I will only cover the SPI part of functionality because this is what you need to flash modified or res…

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(Not especially recommending aliexpress, just as an example)