BIOS dump for the Acer Aspire E1-421 on motherboard DA0ZQZMB6C1, marked tested ok. The DA0 board numbering follows the Quanta pattern, meaning Quanta designed the board for Acer. The 4.00 MB raw binary fits a 32 Mbit SPI flash chip. Before programming, confirm that DA0ZQZMB6C1 and its revision match the code printed on your PCB. Read and keep a copy of the original chip, then flash the image with a CH341A or similar programmer to fix a board left dead or without display by corrupted firmware.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @abgm_manutencao_bios. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →