BIOS firmware archive for a board labelled NH4BT87, revision 2.0, packed as a 1.84 MB RAR. No brand or model appears in the name, and the code does not clearly map to a known numbering scheme, so rely on the marking printed on the PCB to confirm a match. Such dumps are flashed with an external SPI programmer to repair boards that fail to boot. Always read and store the original chip contents first and check that the image size corresponds to the flash chip capacity 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 25 Apr 2021 | Open file on RM Schematics |
| @nityatechnology2020 | 13 May 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 →