Laser 128EX: A ROM upgrade, glorious RGB output, 1meg of RAM and a teardown

In the final installment of the Laser 128EX series, we cover lots of things including testing a newer ROM, getting beautiful RGB output from the machine and giving the machine a RAM upgrade. Part 1: Part 2: Part 3: This part! 0:00 Intro 0:52 Testing out the 128EX/2 Rom V6.2 7:30 Port Configuration menu and other keyboard shortcuts 8:35 How to get RGB video from the Laser 128 14:22 Apple II RGB on a CGA monitor 15:31 Using the RGB2HDMI with the Laser 128 to get the right colors 24:06 The STD/ALT switch on the back of the machine 25:10 The Function keys and other special keys on the Laser 128 26:58 Tear down of the Laser 128 31:08 Analysis of the internals of the Laser 128 36:48 Installing RAM into the RAM card 37:16 The floppy drive belt size 37:33 Testing out the 1meg RAM drive with Apple II Desktop 42:04 Conclusion and outro Laser 128 Floppy Drive belt dimensions -- Video Links Apple II Desktop: Attack of the PETSCII Robots (Apple II version) Laser 128 Technical Manual: 128 Series Technical Reference RGB2HDMI Fork with Laser 128 support: (will be mainline eventually) Support the channel on Patreon: Adrian’s Digital Basement ][ (Second Channel) Article on the history of the Laser 128: -- 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