BIOS dump for the HP 17-ca1905ng laptop, board DUMBLE20 with number 6050A3056601, marked MB-A01 (A1). The 6050Axxxxxxx pattern is Inventec's board numbering, used on many HP notebooks. The RAR holds the image for writing to the SPI flash with a hardware programmer, for example to recover a unit that powers on with no display. Read and keep the original chip contents first, since they carry the serial and product data. Check the board number on the PCB and that the file size fits the flash chip.
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 →