BIOS firmware for the HP 6555b business laptop, board 6050A2356601 with the MB A02 suffix indicating board revision, as a RAR of about 2.2 MB. The 6050A numbering belongs to Inventec, which built many HP ProBook and Compaq notebooks of this era. Technicians use the image to reprogram the SPI BIOS chip with an external programmer when the machine powers up but will not post. Match the full board number and revision on the PCB, read and keep the original chip contents, and verify the file matches the chip size.
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 | 9 Oct 2017 | Open file on RM Schematics |
| @abgm_manutencao_bios | 8 Aug 2019 | 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 →