A huge thank you to Alan from retrotronics.org for donating the jr-IDE to the channel! See his site for more information: https://www.retrotronics.org/home-page/jride/ (Note: This video is a re-upload because the first video had some issues.) ---- Timecode jumps: 1:11 - Tecmar JrWave Overview 4:26 - The jr IDE 14:47 - DOS 5.0 on a PCjr 18:49 - Testing PCjr performance 20:30 - NEC V20 in a PCjr 22:49 - Program compatibility on the PCjr 24:23 - Conclusion ---- DaveJustDave's "IBM PCjr Overview" including the rare and cool Racode Second Disk Drive: https://www.youtube.com/watch?v=iN3-fKqmOo4 PCjr Videos: Part 1: https://www.youtube.com/watch?v=515p7y8DFVE Part 2: https://www.youtube.com/watch?v=SXxshkPUjnc Part 3: https://www.youtube.com/watch?v=nmQhmO9Npe0 Tandy 1000EX Videos: Radio Shack Tandy 1000 EX Fix and Tour: https://www.youtube.com/watch?v=QJRXMYmie7I Tandy 1000 EX RAM and CPU upgrade and benchmarks: https://www.youtube.com/watch?v=rbcvNCZ0l_8 Tandy 1000 EX 3.5" floppy drive upgrade: https://www.youtube.com/watch?v=QX-89z2VCVQ 2.5MB virtual disk on a Tandy 1000 EX? (Or any PC or XT): https://www.youtube.com/watch?v=Lw0JV4TypSo Additional Information: Tecmar JrWave Bank Assignment and DIP switch settings: https://imgur.com/gallery/sAesYQk Tecmar JrWave Pictures: https://imgur.com/gallery/m5uee6M Mike Brutman's PCjr Forums: https://www.brutman.com/forums/index.php?sid=089fca33a764687a9e8842910f869d62 Forum Posting on Patching DOS for PCjr Use: https://www.brutman.com/forums/viewtopic.php?f=3&t=224 https://www.retrotronics.org/home-page/jride/