Combined BIOS and EC image for an HP ENVY DV4, with the name marking the WSNDP PCH board at revision 2.0. Including the embedded controller code means the dump also covers keyboard, power and charging control, which matters for no-power faults. The 3.57 MB ZIP must be extracted to the BIN. Confirm the PCB revision reads 2.0, back up the existing SPI chip and verify the image size matches the flash before writing it with a programmer.
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.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →