DM4I

BIOS .bin 4.00 MB Shared

Firmware file labelled DM4I, 4.00 MB in .bin format, pointing to a DM4 model with an I suffix that the name does not define. There is no board number, revision or version information. The 4 MB size matches a 32 Mbit SPI flash chip, which on Intel notebooks normally holds the full image including the ME region. It is used to recover a board whose BIOS is corrupted. Dump the original chip before writing, confirm the programmer identifies the chip correctly, and match the PCB board number to this image.

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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