Sony laptop BIOS dump for the Quanta board DAGD1BMB8B0, labelled MBX-177A revision B, UMA version with integrated graphics; the HBM tag in the name is not explained. Stored as a 621 KB RAR. The DAGD1B code marks the Quanta GD1 design, so check the matching number silkscreened on the PCB. Technicians use such images to restore a dead or corrupted BIOS with an SPI programmer. Save the original chip content beforehand and confirm the flash capacity fits the image.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →