Compaq CQ57-202SI New

BIOS .rar 1.84 MB Shared

Firmware archive labelled as a new dump for the HP Compaq CQ57-202SI laptop, 1.84 MB in RAR format. The name carries no board number or version beyond the model and the word New. Repair shops use such files to reprogram the BIOS SPI chip when a notebook is stuck with no display, a boot loop or a password lock. Identify the exact board revision on the PCB before writing, keep a read of the original chip, and verify that the image size matches the flash memory fitted 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 (2)

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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