GIGABYTE B450M H REV 1.2 16MB BIOS

BIOS .rar 29.5 MB Shared

BIOS package for the Gigabyte B450M H desktop motherboard, revision 1.2, sized for a 16MB SPI flash chip. This AMD AM4 board can fail to post after an interrupted update or an incompatible processor flash, and a clean image restores it through direct chip programming. The 29.5 MB archive may contain more than one file, so pick the one whose size exactly matches 16MB. Check the revision printed on the PCB, and read and save the original chip contents before erasing it with your programmer.

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 @biosarchive. Enginerys does not host this file.

All sources (2)

The same file was posted more than once. If one link is dead, try the next.

How to open a .rar file

Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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