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Sega Master System Model 2 Install Service

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Master System 2 Options: Switchless Region

Switchless region mod install service for Sega Master System model 2.

This install service includes;

  • 1 x Custom Master System Mod-board (Switchless Region)
  • Power LED
  • Full installation and testing


  • Fully switchless
  • Uses pause button to change video frequency
  • 50Hz / 60Hz video rate switching for full screen, full speed gaming
  • Multi colour power LED to show region

Product Tabbed Info


Install Services for Sega Master System.

Switchless Region Mod

The Master System switchless region mod lets you change the video rate between 50Hz and 60Hz for full speed and full screen gaming.

The reset button is used to cycle through video rates.

  • Setting 1 = Green LED – 60Hz
  • Setting 2 = Red LED – 50Hz

If you are running your PAL systems in 50Hz, you are really doing the games a great disservice. I consider these switchless mods necessary for PAL consoles.

Note that this mod will require using the console's native RGB output via an RGB Scart cable. 60Hz regions will be black and white via composite output. RGB is recommended over all other video outputs because of its superior video quality.

Passive RGB Video Output

Details soon.