BIOS dump for the Dell OptiPlex 780 desktop, with the name referencing E93839 and GA0402, in a 2.17 MB ZIP containing a BIN file. The binary is meant to be written directly to the board's SPI flash with a programmer to revive a unit that will not boot or has a damaged firmware region. Dell systems store service tag and configuration data in flash, so read and keep the original chip before writing. Confirm the dump size matches the chip capacity on your 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 16 Jan 2021 | Open file on RM Schematics |
| @anztechnology | 11 Oct 2025 | Open file on RM Schematics |
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →