Working BIOS for the HP DV6 built on Wistron board 11253-1, with the HP board label 48.4ST06.011, shipped in a 4.72 MB RAR archive. Wistron numbers its designs with a five-digit project code followed by a revision, and the 48.4xxxx string is the matching PCB part number. The image is intended for recovering a laptop with corrupted firmware by programming the SPI chip directly. Check both numbers on the board, extract the file, confirm it fits the chip capacity and save the original contents before writing.
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 | 4 Apr 2024 | Open file on RM Schematics |
| @generalbios | 8 Apr 2024 | 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 →