A BIOS / firmware dump. Shared as “ROM HTT-RK-MINI-V7.0.img.7z” — a .7z file, 646 MB.
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 @tvsoftwareworld. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
7-ZipWinRARKeka (macOS)
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →