HP laptop BIOS for mainboard DA0U33MB6E1, revision E, in a RAR archive of about 7 MB, labelled as a working dump. The DA0...MB... numbering is the pattern used by Quanta, which manufactured this board for HP, and the number is printed on the PCB. Technicians program such images to the SPI flash with an external programmer to fix no-boot or corrupted-firmware faults. Match the board number and revision first, and back up the original chip because HP stores serial and product information there.
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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 6 Aug 2023 | Open file on RM Schematics |
| @generalbios | 4 Nov 2024 | 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 →