PC archeology: The Leading Edge Model D #DOScember

#DOScember

Time for another interesting machine, this time a little more conventional than the "Blender PC" but still cool. A PC XT clone from 1985 including a compatibility for the XT-IDE card.

#doscember official playlist:

https://bit.ly/DOScember2020

#doscember Participating Channels:

8-Bit Show And Tell: http://www.youtube.com/8BitShowAndTell
Adrian%27s Digital Basement: https://www.youtube.com/AdriansDigitalBasement
ctrl-alt-rees: https://www.youtube.com/CtrlAltRees
DaveJustDave: https://www.youtube.com/MrDaveJustDave
Jan Beta: https://www.youtube.com/JanBeta
Josh Malone: https://www.youtube.com/JoshMalone_48kRAM
LGR: https://www.youtube.com/LazyGameReviews
MindFlareRetro: https://www.youtube.com/MindFlareRetro
Mr Lurch's Things: https://www.youtube.com/MrLurchsThings
Noel's Retro Lab: https://www.youtube.com/NoelsRetroLab
Ovesen.net https://www.youtube.com/ovesennet
RetroBytes https://www.youtube.com/c/RetroBytesUK
RetroSpector78: https://www.youtube.com/RetroSpector78
RMC: https://www.youtube.com/RMCRetro
RoseTintedSpectrum: https://www.youtube.com/RoseTintedSpectrum
Tech Tangents: https://www.youtube.com/AkBKukU
The 8-Bit Guy: https://www.youtube.com/adric22
TheRetroChannel: https://www.youtube.com/TheRetroChannel

Leading Edge "Model D"
Model DC-2011

Leading Edge Keyboard
Model DC-2014

SNB-018 Universal FDC Card
Looking for a BIOS for this card

Hard drive on the hard card:
Kyocera KC-30B 33MB 3.5" RLL ST506

Hard drive controller:
SCIENTIFIC MICRO SYSTEMS OMTI 5528

0:00 Intro
1:20 Leading Edge Model D Tour and Testing
46:21 Getting XT-IDE working on the Leading Edge Model D
56:37 Outro

--- Video Links

Original Leading Edge BIOS v2.01:
https://archive.org/details/leading-edge-model-d-bios-phoenix-v-2.01

Noel's on TI99 basic and other basic system performance:
https://www.youtube.com/watch?v=H05hM_Guoqk

The ROM I used on this machine was here: http://www.minuszerodegrees.net/xt_clone_bios/xt_clone_bios.htm

--- Tools

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

Jonard Tools EX-2 Chip Extractor:
https://amzn.to/2VazxDS
https://www.jonard.com/Products/EX-2-DIP-IC-Extractor-24-40-Pins

Wiha Chip Lifter:
https://amzn.to/3a9ftWw
https://www.wihatools.com/precision-chip-lifter

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

Outro Music:
Abyss by | e s c p | https://escp-music.bandcamp.com
Music promoted by https://www.free-stock-music.com
Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/