TI-99/4A - Powering Up and Diagnostics (Part 1)

Support Noel's Retro Lab on Patreon: https://www.patreon.com/NoelsRetroLab

The latest arrival at the Lab is a TI-99/4A. This one comes without power supply and without a video cable. To make things more challenging, it's a computer I had no previous experience with. So join me today, as we try to power it up and get it up and running.

Chapters:
00:00 Intro
00:24 Outside look
00:57 History and background
02:01 Opening it up
02:50 Board and IC description
7:51 Powering it up
14:52 Checking for signs of life
16:31 Looking at video out
18:56 Diagnosing continuous sound
27:44 Conclusion

TI-99 Italian User Club http://www.ti99iuc.it/
TI-99 Architecture http://www.unige.ch/medecine/nouspikel/ti99/architec.htm

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

#ti99 #repair #retrocomputer

Видео TI-99/4A - Powering Up and Diagnostics (Part 1) канала Noel's Retro Lab