I can't afford RAM, so I'm upgrading my 1989 Mac instead

From your Mac Mini media server to that Raspberry Pi running who-knows-what, Twingate lets you securely reach every corner of your homelab from anywhere. Get started - it's free for up to five users: https://twingate.com/jeffgeerling

Here are links to all the upgrades / classic Mac things I'm talking about today:

- Bolle's 50 MHz 030 upgrade + Ethernet Combo Cards: https://68kmla.org/bb/threads/fs-se-30-ethernet-accelerator-adapter-combo-cards.42856/
- CRT Tweaker stick model: https://www.printables.com/model/276900-tv-set-crt-alignment-tool-tweaker
- THETechKnight's CRT Swap video: https://www.youtube.com/watch?v=zVIlZZAEpXM
- MacMesh: https://macmesh.xyzzy.computer
- TashTalk: https://github.com/lampmerchant/tashtalk
- BlueSCSI: https://bluescsi.com
- VCF Midwest 2026 wrap-up video: https://www.youtube.com/watch?v=oW-Hp8-DAB0

Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00:00 - Kicking off this livestream
00:01:28 - Twingate is matching donations to the UOAA
00:03:17 - Quietly returning to real-time
00:05:55 - Mic fixed, pre-upgrade benchmarks
00:09:00 - Teardown time
00:25:45 - Looking at the SE/30 motherboard
00:30:20 - Tripling the CPU speed
00:39:00 - Will it boot?
00:50:00 - CRT swap donor
00:59:00 - High voltage anode fun
01:06:44 - Mac Classic II Motherboard and Analog board
01:08:56 - Ever seen a bare CRT?
01:14:59 - Prepping the recipient
01:23:39 - Yoke swap
01:29:00 - Rebuilding the SE/30
01:42:55 - Will it boot? Part 2
01:47:03 - Yoke adjustment, high danger
01:52:53 - Final rebuild