BIOS firmware for the Dell OptiPlex GX520 desktop, version A11, supplied as a RAR of roughly 325 KB. Dell uses letter-number version codes such as A11 for its BIOS releases. The archive may contain a Dell update executable or a raw image; a raw dump can be written to the motherboard flash chip with a programmer to recover a system that no longer posts. Confirm the contents before use, back up the existing chip, and check that the image size matches the flash device on the board.
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 (4)
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 | 8 Aug 2019 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 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 →