Dell E7250 ZBZ0 LA-A971P BIOS U52U53

BIOS .rar 5.09 MB Shared

BIOS dump for the Dell Latitude E7250 on Compal board LA-A971P, project code ZBZ0. The U52U53 tag suggests the archive holds images for chips at those reference designators, likely separate flash ICs, so check which file goes to which chip. Compal uses the LA-xxxxP numbering. Program with a hardware SPI programmer after reading and backing up the originals. Confirm the board number and verify the image size matches each chip's 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 (3)

The same file was posted more than once. If one link is dead, try the next.

How to open a .rar file

Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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