Firmware package for the Zebronics Z55 desktop motherboard built on the Intel H55 chipset, supplied as a 1.16 MB RAR. Technicians use such a dump to rewrite a damaged BIOS chip on boards that power on without display or loop on restart. Unpack the archive, check the binary against the flash capacity printed on the chip, and back up the existing contents with your programmer before erasing. Verify the board model silkscreened on the PCB really reads Z55, because H55 boards from the same brand can differ in layout and firmware.
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 (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 24 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 24 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 3 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 →