https://stream.echo6.co/videos/watch/599822a7-da99-4fb8-a9b5-ddf1be376e01 Dave looks inside the most popular microcomputer of the 1970's, the Radio Shack / Tandy TRS-80 Model I And also a look at the TRS-80 Model 102. Bonus EMI testing for fun. Bonus rant on how slow the Tektronix MDO3000 is in RF mode. TMS4116 16Kb DRAM: http://www.datasheetarchive.com/dlmain/Datasheets-37/DSA-731104.pdf Level II BASIC Reference Manual http://www.1000bit.it/support/manuali/trs/Level%20II%20BASIC%20Reference%20Manual%20%281979%29%28Radio%20Shack%29.pdf Service Manuals & Schematics: http://www.eevblog.com/files/TRS80model1/ Forum: http://www.eevblog.com/forum/blog/eevblog-645-trs-80-model-i-retro-computer-teardown/ Teardown photos: http://www.eevblog.com/2014/07/29/eevblog-645-trs-80-model-i-retro-computer-teardown/ EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ Wed, 10 Jun 2026 08:36:16 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/599822a7-da99-4fb8-a9b5-ddf1be376e01 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.