BIOS firmware archive for an HP Chromebox built on the Quanta board DA00W9MBAD0, revision D. The DA...MB... numbering is the Quanta pattern, so Quanta is the board maker behind this HP unit. The 4.99 MB RAR should be unpacked and its contents inspected before any work. Technicians use such a dump to restore a corrupted SPI flash with a programmer such as a CH341A. Confirm the board number and revision on the PCB first, read and save the original chip contents, and check that the image size matches the flash capacity.
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.
All sources (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 5 Jun 2022 | Open file on RM Schematics |
| @fileservicelaptop | 13 Jun 2022 | Open file on RM Schematics |
| @fileservicelaptop | 13 Jun 2022 | Open file on RM Schematics |
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 →