BIOS dump for an HP 15 laptop built on Quanta motherboard DAG7EDMBAB0, revision B, in a RAR archive of about 6.9 MB. DA-prefixed board codes follow the Quanta pattern printed on the PCB, and the final letter marks the revision. The image is intended for writing to the SPI flash with a programmer when the notebook is bricked or its firmware corrupted. Read and save the original chip contents first, check that the file size equals the flash capacity, and confirm board number and revision.
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 (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 19 Oct 2021 | Open file on RM Schematics |
| @BiosSchematicWorld | 19 Dec 2021 | Open file on RM Schematics |
| @pepeelectronica | 23 Apr 2022 | Open file on RM Schematics |
| @schematiclaptopramkushwaha | 13 Jul 2025 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | 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 →