RAR archive of about 1.54 MB containing ASUS K53SD BIOS firmware, labelled New MCS in the name. MCS is an ASUS-internal mainboard code token whose meaning is not certain here, so treat it simply as an identifier for this board variant. The image is used to restore the BIOS by writing it to the SPI flash with a programmer or updating through the vendor tool. Compare the board markings with the file, keep a backup of the current chip, and verify the dump size matches the flash capacity.
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 (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 5 Feb 2018 | Open file on RM Schematics |
| @abgm_manutencao_bios | 7 Aug 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 30 Sept 2019 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 2020 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | Open file on RM Schematics |
| @biosdumpcomputer | 26 May 2022 | 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 →