Let’s figure out how to mod the BBC Master

On the final BBC Master 128 video, it’s time to upgrade and mod this machine. From never done before mods to awesome bang for your buck mods, let’s get to working on this awesome machine and see what I can do with it! Part 1: Part 2: Part 3: This part! 0:00 Intro 3:29 SD card interface 21:20 Color composite mod 33:12 Setting the SD card to auto boot 37:02 Reading the mystery EPROM 37:41 NTSC conversion 48:38 Adding a switch to disable color 49:29 10 year no-leak NVRAM 1:00:40 Final testing and outro --- Video Links MMFS Github: The Future was 8-bit SD card interface: To find the SD card interface I used, search for: “arduino sd card module“ (I think any of this can be made to work) Necroware’s YouTube Channel: Necroware’s DS1287 Replacement: OzRetroComp (Tony’s channel) @OzRetrocomp/videos Stardot Forums, the best place for BBC Micro/Master information: BBC Master 128 Schematics: BBC Master: 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