CQ56A

BIOS .bin 2.00 MB Shared

Second copy of the CQ56A firmware file, a 2.00 MB binary image presumably read from a Compaq CQ56 BIOS chip. The name gives no motherboard number, revision or version, so the only verification available is the size and comparison with the companion copy. A technician would write it to the SPI flash using a CH341A or similar programmer to revive a board with corrupted firmware. Back up the existing chip contents beforehand, which also preserves serial and system data, and ensure the board type matches the source machine.

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 →

Related files

  • CQ56AMD

    Duplicate copy of the CQ56AMD BIOS dump, a 2.00 MB binary for what the name suggests is an AMD-platform Compaq CQ56 laptop.

    BIOS · 2.00 MB · 12 Oct 2025
    BIOS bin
    —
    biosfilebins
    2.00 MB
  • CQ56A

    BIOS binary titled CQ56A, 2.00 MB, likely a full flash image for a Compaq CQ56 notebook; the trailing A may indicate an AMD build, but the name alone does not make that…

    BIOS · 2.00 MB · 12 Oct 2025
    BIOS bin
    —
    biosfilebins
    2.00 MB
  • CQ56AMD

    Firmware image named CQ56AMD, a 2.00 MB binary that appears intended for an AMD-based Compaq CQ56 notebook; no motherboard number or revision is given in the name.

    BIOS · 2.00 MB · 12 Oct 2025
    BIOS bin
    —
    biosfilebins
    2.00 MB