BIOS image for the Acer 4230 notebook in .fd format, 2.00 MB in size. The name states only the model and gives no board number, version or chip details. Files with the .fd extension are typically firmware images in the vendor flash-utility format. Some can be programmed directly onto an SPI chip, while others need checking in a hex editor or UEFI tool first. Compare the size with the chip on the board, keep a backup of the original contents, and verify the motherboard is from a 4230 before writing anything.
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 →