Compressed archive of around 354 KB with a WinFlash BIOS update utility for Windows 7, covering both 32-bit and 64-bit systems, labelled z2303. The name does not identify a laptop model, so the token likely marks a tool build rather than a board. Such utilities flash a vendor BIOS file from inside Windows and are useful when the system still boots but needs an update or recovery of settings. For a dead board you would instead program the SPI chip directly; when using this tool, ensure stable power and a matching BIOS image.
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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 6 Feb 2018 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 2020 | Open file on RM Schematics |
| @biosdumpcomputer | 26 May 2022 | Open file on RM Schematics |
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →