BIOS image for the HP ZBook 17 G3 Mobile Workstation, motherboard LA-C391P, packed as a 5.22 MB RAR archive. The LA- prefix is the Compal board numbering scheme, meaning Compal manufactured this board for HP. A dump like this is used to recover a unit that will not post or boots to a black screen, by reprogramming the SPI flash with a clip or after desoldering the chip. Before writing, dump and keep the original contents, compare the board code silkscreened on the PCB, and make sure the file size matches the 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 (9)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 7 Jul 2020 | Open file on RM Schematics |
| @laptexlaptopbios | 8 Jul 2020 | Open file on RM Schematics |
| @biositechyangiyer | 13 Jul 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 23 Apr 2022 | Open file on RM Schematics |
| @biosdumpcomputer | 26 May 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | 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 →