BIOS firmware for the Dell OptiPlex 760 desktop, carrying the reference E93839, which is probably the board or chipset identifier. The file is marked as a working dump. It is used to restore a corrupted SPI flash on this desktop motherboard with an external programmer when the system stays dark or loops at power-on. Read and keep the original chip contents first, since Dell images store the service tag. Verify that the dump size matches 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.
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 →