Model Variants (Master System) Updated Mar 15, 2026 · 2 min read · 0 viewing Previous AV Pinout (Master System) The Master System 1 has the exact same port, cable and AV pinout as the Mega Drive / Genesis 1. It a... Next CleanRGB Install (Master System) The Master System already outputs RGB out of the AV port, however it has a DC offset which makes it ...