Support Noel's Retro Lab on Patreon: https://www.patreon.com/NoelsRetroLab I ordered 4 chips from Ebay coming all the way from China and they're finally here. I'm going to put them through a battery of tests to find out if they're fake or not. How many fakes will we uncover? Join me in the lab today to find out. Chapters: 00:00 Intro 00:20 Why did I end up buying 4 VDPs? 01:40 Opening and labeling 05:28 Test 1 07:42 Test 2 09:25 Test 3 10:40 Test 4 15:21 Test 5 25:05 Test 6 27:20 Final results Arduino-based VDP tester project https://github.com/pajotsetrapper/TMS9129VDPTest Discussion about the project https://www.msx.org/forum/msx-talk/graphics-and-music/functional-vdp-test-tms9129nl-with-arduino OSSC (Open Source Scan Converter) https://videogameperfection.com/products/open-source-scan-converter/ You can also support Noel's Retro Lab on YouTube by joining the channel: null Connect with Noel's Retro Lab: Discord ➤ https://discord.gg/ETcCh6J Facebook ➤ https://www.facebook.com/NoelsRetroLab Twitter ➤ https://twitter.com/NoelsRetroLab Instagram ➤ https://www.instagram.com/NoelsRetroLab #electronics #conterfeit #china