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BIOS .bin 4.00 MB Shared

Generic Acer BIOS dump, a 4.00 MB BIN file whose name gives no model, board or version information. That size corresponds to a 32 Mbit SPI flash, common on older laptops or as a separate EC or secondary chip. Before using it, examine the contents with a hex editor or BIOS tool to identify the platform and version strings. Back up the original chip with a programmer such as a CH341A, verify the capacity matches exactly, and write it only to a board positively identified as compatible.

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 @iasviptools. 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 →