Firmware archive labelled for an N551JMAS board at revision 2.1, 3.25 MB in RAR format. The name suggests an Asus N551JM series mainboard, though no brand is stated, and it gives no BIOS version or chip details, so inspect the extracted files first. Such dumps are used to recover boards that will not post after a failed update by programming the SPI flash directly. Match the board name and revision printed on the PCB, keep a backup of the original chip, and check the image size against 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 @biosarchive. Enginerys does not host this file.
All sources (7)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 28 May 2020 | Open file on RM Schematics |
| @laptexlaptopbios | 7 Jul 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 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 →