BIOS dump archive for the Asus Q503UA main board, revision 2.0, packed as a 3.85 MB RAR file. It serves technicians restoring a motherboard with corrupted firmware, stuck at boot or refusing to start after a failed update. Before programming the SPI flash with a hardware programmer, read and keep the original contents, and check that the revision silkscreened on the PCB is 2.0, because images for other revisions may not behave correctly. Also confirm the dump size fits the installed flash 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 (10)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 12 Nov 2019 | Open file on RM Schematics |
| @biosarchive | 27 Nov 2019 | Open file on RM Schematics |
| @biosarchive | 27 Apr 2020 | Open file on RM Schematics |
| @laptexlaptopbios | 8 Jul 2020 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 23 Apr 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 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 →