RAR archive holding BIOS firmware for the Dell Inspiron 15-3521, at 3.11 MB. The name gives only the model, with no motherboard number, revision or CPU and GPU variant, and the 3521 shipped on more than one board. Open the archive and compare the image with the board in hand before using it. Technicians normally write such dumps to the SPI flash with an external programmer such as a CH341A. Save a full read of the original chip first and make sure the file size equals the chip capacity.
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 @Laptopdesktopbios. 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 | |
|---|---|---|
| @Laptopdesktopbios | 20 Jul 2024 | Open file on RM Schematics |
| @laptopchiplevelrepair | 20 Jul 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 →