Compressed BIOS firmware for the Acer Aspire 4820TG, supplied as a 1.62 MB RAR archive. No board number, revision or version is given in the name, so inspect the extracted files to see whether they are a full SPI dump or a vendor update package. A full dump is what you need for direct flashing with a CH341A or similar programmer when the machine fails to POST. Check the board number printed on the motherboard before relying on this image. Always read and store the original chip before erasing it.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →