Acer desktop BIOS package for a motherboard identified only as H61H2-AD, packed as a 3.12 MB RAR archive. The H61 in the name points to an Intel H61 chipset board, but no revision, flash chip size or version is stated. Technicians use such dumps to recover a board with corrupted firmware by writing the image to the SPI chip with a programmer such as a CH341A. Unpack the archive, confirm the board marking matches, save a full backup of the original chip first, and verify the image size equals the chip capacity before writing.
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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 6 Jan 2022 | Open file on RM Schematics |
| @pepeelectronica | 23 Apr 2022 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | Open file on RM Schematics |
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 →