BIOS firmware archive labelled RMNB 1002 for motherboard MB5222_MB_V3, an 11th-generation Intel Core i5 platform, 6.62 MB zipped. No brand is given, but RMNB is the code used for Xiaomi RedmiBook models, so confirm the laptop identity on the PCB before use. The V3 PCB marking indicates the board version. Flash it with an SPI programmer for recovery. Back up the original chip, as it may hold unique data, and check that the image size suits the chip.
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 .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 →