BIOS image for the Acer 5749 in .fd format, 2.56 MB in size. An .fd file is often a firmware update capsule rather than a full chip dump, and its size does not match a standard flash capacity, so it may need extracting or padding before a programmer can write it. It can be used with vendor flash tools or as a source for rebuilding a dump. Back up the existing SPI chip first and check that the board number agrees.
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 @ComputerBIOSBinFile. Enginerys does not host this file.
How to open a .fd file
UEFI flash-device image, typical for Insyde H2O firmware on Acer, HP and Lenovo laptops.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →