Compaq CQ58-100SX

BIOS .rar 3.04 MB Shared

BIOS archive for the Compaq CQ58-100SX notebook, an HP model, packed as a 3.04 MB RAR file. The name gives no motherboard number, revision or firmware version, so look inside the archive and compare it with the board you are repairing. Technicians use such dumps to recover an SPI flash chip after a failed update or corruption, writing it with an external programmer. Read and save the original chip first, confirm the board matches, and check that the image size equals the capacity of the installed 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.

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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