BIOS dump for a mainboard marked NB6158A_MB_V4, in a RAR archive of about 10 MB, with Kelvinf in the name, which may be the project or platform label. No laptop brand or chipset is given, so identify the device by the board marking printed on the PCB before use. Firmware like this is normally written to the SPI flash chip with an external programmer to recover a board that does not boot. Back up the original chip contents, and check that the image size fits the chip and the V4 revision matches.
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 | 20 Jun 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 →