CQ50a

BIOS .bin 1.00 MB Shared

Duplicate of the CQ50a BIOS binary, 1.00 MB, likely a second read of a Compaq CQ50 flash chip kept for comparison. Matching two independent dumps is a simple way to confirm the data is intact before using it to repair another board. Program it onto the SPI chip with an external programmer when a unit shows no picture or fails to post. The name provides no board number or version, so back up the current chip and check the motherboard against the donor machine before relying on the file.

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 @biosfilebins. Enginerys does not host this file.

How to open a .bin file

A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.

CH341A + NeoProgrammer / AsProgrammerflashromRT809F / RT809HTL866II / T48UEFITool (to inspect)HxD (hex editor)

More about .bin files

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

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