BIOS and keyboard EC firmware for Quanta board DAG7BMB58C0, revision C, project G7B. The DA plus project code plus MB pattern marks Quanta's mainboard numbering. Including the KBEC image lets you restore an embedded controller that causes no-power or charging faults, alongside the main SPI BIOS. The 15.7 MB ZIP may hold several images, so identify each file's role. Back up the original chips and match the image sizes to the flash capacities.
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 @biosarchive. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →