DEC VT100 test and diagnosis

I tried to make the ultimate Commodore 1702 monitor

Commodore 1541 repair: More complex than you think

CRT Archeology: Mystery Toshiba display (GBC MV-10A)

Soroc IQ 120: Just when you think you're on the right track... Surprise!

Soroc IQ 120: Let's address the cataracts in the room

Soroc IQ 120: Sorting out the power supply damage

Soroc IQ 120: Well, that didn't go to plan ...

The first Energy Star desktop: IBM PS/2 E

Lava RSC: A freaking awesome NES clone

Sceptre MM-211 MDA amber monitor "repair"

"Nnew old stock" monochrome monitor from 1986 (Sceptre MM-211)

Tandy CM-1: A high-end 400 line monitor from 1984

Fixing a rare and broken high-res video card (STB Super Res 400)

12V on a 5V line almost killed this Mac SE/30

Repair of a very broken Mac SE/30 motherboard

Using Apple's hidden "Test Mode" to fix a dead SE/30 #repair

I severely damaged my Mac SE/30

HDMI video from your Apple II with this cheap and simple project (A2DVI)

DesTestMAX: A revolutionary new diagnostic ROM for the C64

Troubleshooting a bad Apple IIc floppy drive

This card claims to make your IBM PC or XT five to ten times faster (Breakthru 286)

Having fun fixing some Commodore 64s

Apple Archeology: Four barn found Apple IIc computers

Repairing an IBM PC floppy drive (Tandon TM-100)

Is an IBM PC usable at the same clock speed as an Apple II?

A brand new XT RAM test ROM and an update on some unfixable parts

Let's overclock and improve this old 286 motherboard

Leading Edge Model D Repair

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

PC Archeology: The Altima One laptop (Altima Systems)

The Plexus P/20 is now fully operational!

We made some unbelievable discoveries about this Plexus P/20!

Booting UNIX on the Plexus P/20 didn't go to plan

First power up of the Plexus P/20 dual processor UNIX system

What is this rare multi-user UNIX workstation? (Plexus P/20)

The PicoMEM is an amazing software defined ISA card

These are some cool disc drives but we have some issues (Atari 810)

I got stuck trying to fix this 40 year old RAM card (AST MegaPlus II)

Let's go treasure hunting in "mystery box #2"

Another broken Mac Plus with some odd symptoms

Finding an intermittent fault on the Book8088 & adding external CGA output

I know nothing about the Sega Master System. Let's fix this one.

PC Archeology: The plasma screen is probably the best thing about Schneider PC 7640

Another cheap scope: $18, shipped! (FNIRSI DSO152)

Using visual clues to figure out which chips are bad

A Mac Classic with 4mb of RAM without using the RAM expansion card

I've got a pile of broken C64s, let's fix a couple!

The troublesome Mac Classic and Classic II are finally working! (stuck at 512k fix)

Not so fast! I hit some road blocks fixing the Mac Classic

Three unknown Macs: Let's get them working again #repair

PC Archeology: Let's explore the Samsung S5200 and attempt a repair on the gas plasma screen

What mysterious retro goodies can we find inside these boxes?

This Acorn Electron won't load anything from tape #repair

Does this dead "laptop" have a gas plasma display? Let's try to revive it to find out! Samsung S5200

Restoring a Commodore 1702 monitor using a main board from 2023

I was shocked at what was keeping this Acorn Electron from working (Acorn Electron Repair)

I did everything wrong when fully testing this C128D

PC Archeology: Not just another normal IBM PC XT clone (Handwell PC-401)

Overclocking this Mac to the limit using scrap parts and period correct mods