TJBChris | TRS-80 Model 16B - 8 MB Upgrade Part IV - MMU Installed, We've Got 8 MB! @TJBChris | Uploaded March 2023 | Updated October 2024, 4 hours ago.
The final part of my quest for 8 MB of RAM on my Radio Shack TRS-80 Model 16B! In this video, I modify the 68000 CPU card for the MMU upgrade, install the MMU, and test it out.

Music (in order)
"Elevator Music" (Digital Juice, used under license)

Chapters:

Intro (0:00)
Installation / Test I (1:46)
68000 CPU Board Modifications (0:56)
CPU Removal and Burndy Sockets Suck (3:50)
Installing MMU and CPU (6:32)
Jumpering the SRAM Board (7:06)
Moment of Truth (7:43)
Outro (10:56)

I do these videos unscripted, so I apologize if the in-the-moment descriptions of things are a bit scattered. If you have any questions/comments about this video, you can find me in any of these fine locations:

The Tandy Discord Server
The CoCo Nation Discord Server
The TRS-80 Color Computer (CoCo) group on Facebook
The CoCo Crew Podcast group on Facebook
On the Vintage Computer Forums (vcfed.org)
The TRS-80 Models I-4/4P Group on Facebook
Tandy / Radio Shack Model II /12 / 16 / 16B / 6000 Owner's Group on Facebook
Twitter (I'm TJBChris there...)
The Level29 BBS (I'm TJBChris there, too.)
Particles BBS (Guess who I am here? Yeah, TJBChris.)

Thanks for watching!