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

Subscribers:
211,000
Published on ● Video Link: https://www.youtube.com/watch?v=fI-8b2mpd60



Category:
Vlog
Duration: 46:59
104,488 views
5,795


** Update in pinned comment.

On this PC Archeology episode, we have what I thought might just be a run-of-the-mill IBM PC XT clone -- but it turns out this machine is unusual and odd, and looking inside creates more questions than answers.

-- Links

ROM Dumper download:
http://archives.oldskool.org/pub/misc/Software/Utils/ROM_Dumper/

NEC V20:
https://en.wikipedia.org/wiki/NEC_V20

Retro Web Motherboard:
Not available yet

BIOS dump: (and pictures)
https://archive.org/details/front_202312

RGB2HDMI: (use this fork, it's more up to date)
https://github.com/IanSB/RGBtoHDMI

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

Adrian's Digital Basement ][ (Second Channel)
https://www.youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
https://www.patreon.com/adriansdigitalbasement

-- Tools

Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.1602/.f

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/digital-oscilloscopes/1000z/

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/33000308958.html

TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853

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

DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672

Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4-inch-magnetic-parts-tray-90566.html

Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
https://www.ebay.com/itm/14-16-18-20-24-28-32-40-pin-IC-Test-Universal-ZIF-Socket-Fs/303206721971

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-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184

Heat Sinks:
https://www.aliexpress.com/item/32537183709.html

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

--- Links

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

Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/

--- Instructional videos

My video on damage-free chip removal:
https://www.youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino




Other Videos By Adrian's Digital Basement


2024-02-24The troublesome Mac Classic and Classic II are finally working! (stuck at 512k fix)
2024-02-17Not so fast! I hit some road blocks fixing the Mac Classic
2024-02-10Three unknown Macs: Let's get them working again #repair
2024-02-03PC Archeology: Let's explore the Samsung S5200 and attempt a repair on the gas plasma screen
2024-01-27What mysterious retro goodies can we find inside these boxes?
2024-01-20This Acorn Electron won't load anything from tape #repair
2024-01-13Does this dead "laptop" have a gas plasma display? Let's try to revive it to find out! Samsung S5200
2024-01-06Restoring a Commodore 1702 monitor using modern parts from 2023
2023-12-23I was shocked at what was keeping this Acorn Electron from working (Acorn Electron Repair)
2023-12-16I did everything wrong when fully testing this C128D
2023-12-09PC Archeology: Not just another normal IBM PC XT clone (Handwell PC-401)
2023-12-02Overclocking this Mac to the limit using scrap parts and period correct mods
2023-11-25From Death's doorstep to alive again: I really love this Field Found Amiga 500
2023-11-18The Field Found Amiga 500 broke again and it was all my fault!
2023-11-11This Amiga 500 was left outside for years. Let's try to revive it!
2023-11-04Testing and repairing a mysterious Amiga "art project"
2023-10-28PC Archeology: A left for Dead IBM PC 5150 with a treasure hiding inside 🕷
2023-10-21Let's fix a dead VARTA ravaged 486 motherboard
2023-10-14What have I done? I hope I made the right decision!
2023-10-07The PicoGUS: An ingenious multifunction ISA sound card
2023-09-30A tube swap from a trashpicked TV fixed a great video monitor