The Plexus P/20: A Fantastic Journey (Supercut)

Prepare yourself for an epic first for my channel: a supercut where I combine all five parts of the Plexus P/20 series into one convenient-to-watch video! Join me on a journey of discovery, excitement, tragedy and rebirth. A fantastic journey!

0:00 Intro
1:25 Overview and teardown
35:33 Imaging the hard drive
51:25 Servicing the power supplies
1:04:05 First power up
1:22:38 Getting serial working
1:47:51 First boot attempt
2:05:10 Troubleshooting a dead system
2:28:13 Amazing discoveries made
3:03:31 Fixing the failed motherboard
3:35:00 Troubleshooting the clock circuit
4:06:39 Booting a fully operation system

-- Links

Plexus P/20 Discord channel at Usagi Electric:
  / discord   (Plexus channel)

General Adrian's Digital Basement channel:
  / discord  

My Github Repo (with ROM dumps and images)
https://github.com/misterblack1/plexu...

Plexus P/20 Brochure:
http://www.bitsavers.org/pdf/plexus/b...

Plexus Unix:
http://www.bitsavers.org/pdf/plexus/b...

MFM emulator:
https://www.pdp8online.com/mfm/mfm_ol...

Fujitsu Hard Drive Brochure:
https://archive.org/details/bitsavers...

Omti 5200 Manual:
https://oldcomputers.dyndns.org/publi...

Adrian's Digital Basement Merch store:
https://my-store-c82bd2-2.creator-spr...

Adrian's Digital Basement ][ (Second Channel)
   / @adriansdigitalbasement2  

Support the channel on Patreon:
  / adriansdigitalbasement  

My GitHub repository:
https://github.com/misterblack1?tab=r...

-- Tools

Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.16...

O-Ring Pick Set: (I use these to lift chips off boards)
https://amzn.to/3a9x54J

Elenco Electronics LP-560 Logic Probe:
https://amzn.to/2VrT5lW

Hakko FR301 Desoldering Iron:
https://amzn.to/2ye6xC0

Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digi...

Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://amzn.to/3adRbuy

TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://amzn.to/2wG4tlP
https://www.aliexpress.com/item/33000...

TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS100-65W-MI...

EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/

DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USB-Logic-DS...

Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4-inch-...

Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
https://www.ebay.com/itm/14-16-18-20-...

RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)
http://www.retrotink.com/

Plato (Clone) Side Cutters: (order five)
https://www.ebay.com/itm/1-2-5-10PCS-...

Heat Sinks:
https://www.aliexpress.com/item/32537...

Little squeezy bottles: (available elsewhere too)
https://amzn.to/3b8LOOI

--- Instructional videos

My video on damage-free chip removal:
   • How to remove chips without damaging ...  

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino