4320s ASLI

BIOS .rar 1.92 MB Shared

Original (asli) BIOS dump for the HP ProBook 4320s, supplied as a 1.92 MB RAR archive. The name gives no motherboard number or revision, so check the board label before relying on it. A dump like this lets a technician restore a laptop that hangs on a black screen or fails after a bad update by programming the SPI flash directly with a CH341A or similar tool. Extract the image first, verify its size against the chip datasheet, and keep a copy of the existing chip contents.

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.

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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