Firmware archive for the ASUS X451C main board, X451CA revision 2.1, a 3.34 MB RAR. The CPU&VGA token suggests it targets a particular processor and graphics configuration, though the exact variant is not stated. Unpack it to identify the image and compare its size with the flash chip fitted. Technicians use such files to reflash the SPI BIOS with a programmer. Confirm the board revision and keep a copy of the original chip content.
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 (8)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 26 Jan 2017 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @biosbigarchives | 31 Oct 2022 | Open file on RM Schematics |
| @generalbios | 23 Sept 2023 | Open file on RM Schematics |
| @generalbios | 29 Sept 2023 | Open file on RM Schematics |
| @generalbios | 26 Oct 2023 | Open file on RM Schematics |
| @schematics_bios | 27 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 3 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 →