Refurbishing the BBC Master 128

In this video, I work on refurbishing the old BBC Master 128. This involved thoroughly cleaning the computer, getting the keyboard fully working (no easy feat) and getting the system booting the BBC Master welcome disk. It was a journey but the payoff feels great. Part 1: Part 2: This part! Part 3: Coming soon 0:00 Intro 0:55 Cleaning and refurbishing the computer 11:35 Fixing the keyboard (Futaba linear switches) 40:32 Creating a new battery pack for the BBC 43:31 Setting up the CMOS settings 45:00 Exploring the BBC Master a little 48:13 Booting software from floppy disk --- Video Links Stardot Forums, the best place for BBC Micro/Master information: BBC Master 128 Schematics: My old video showing off the two BBC Micro machines I brought back from the UK: BBC Micro Model B PSU repair and 120v conversion: BBC Master: 65C12 datasheet: Performing a CMOS reset on the BBC Master: Adrian’s Digital Basement Merch store: Adrian’s Digital Basement ][ (Second Channel) Support the channel on Patreon: -- Tools Deoxit D5: O-Ring Pick Set: (I use these to lift chips off boards) Elenco Electronics LP-560 Logic Probe: Hakko FR301 Desoldering Iron: Rigol DS1054Z Four Channel Oscilloscope: Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier: TL866II Plus Chip Tester and EPROM programmer: (The MiniPro) TS100 Soldering Iron: EEVBlog 121GW Multimeter: DSLogic Basic Logic Analyzer: Magnetic Screw Holder: Universal ZIP sockets: (clones, used on my ZIF-64 test machine) RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI) Plato (Clone) Side Cutters: (order five) Heat Sinks: Little squeezy bottles: (available elsewhere too) --- Links My GitHub repository: Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group --- Instructional videos My video on damage-free chip removal: --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino