Winbond 25x Q Series Bios Update- Best -

Disclaimer: Static electricity kills chips. Touch a grounded metal object before starting. Ensure your motherboard is powered off (PSU unplugged).

A "superset" of the 25X that adds Quad-SPI and QPI support for significantly higher performance. Winbond 25x Q Series Bios Update-

flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -w new_bios.bin Disclaimer: Static electricity kills chips

flashrom -p ch341a_spi -r original_bios.bin these are high-speed

Unlike older parallel BIOS chips, these are high-speed, low-pin-count chips. They are found on everything from Z77 "Ivy Bridge" boards to modern AMD Ryzen and Intel 12th/13th gen boards.