It Boots Again

Trial version. This site is still being built, so the list and the name may change. About

Hobbyist or repairer ยท for some experience

This Master System II Mod Fixes What SEGA Got Wrong in 1990

Retro Tech Repair 16 min Published Nov 2025

About this video

A Master System II gets a complete RGB video upgrade and a power mod, with the maker walking through the full process of each.

Good to know: Soldering means burns and fumes; old solder contains lead.

Why watch it

By the maker's account the stock RF output is weak, and the RGB upgrade is paired with a power regulation change aimed at long-term reliability, so both mods go in with the console open once.

On the same topics