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Sega Master System Model 2 Switchless Region Mod Install Guide

This guide will show you how to install a switchless region mod into a Sega Master System model 2 which will allow the console to switch between 50Hz and 60Hz video output.

Mod Pinout

Solder Map

Sega Master System 2 - PAL / IC BD M4jr / 171-5922-A

Sega Master System 2 - PAL French RGB / IC BD M4Jr. VA1 / 837-7275 / 171-5926-A

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Sega Master System 2 - PAL / IC BD M4 Jr PAL 2M / 171-6395A

Coming soon.