BIOS firmware for a ZX-H55M motherboard, version 1.41, described in the name as working and fully tested. H55 points to the Intel H55 desktop chipset implied by the model code. The RAR archive is about 2.6 MB and may include the image plus notes or a flasher. Technicians use such dumps to recover a board with corrupted firmware by writing the SPI flash with a programmer like a CH341A. Back up the original chip first, check that the image size matches the flash capacity, and confirm the board revision.
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.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 5 Jan 2023 | Open file on RM Schematics |
| @acheibios | 24 Mar 2023 | 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 →