The Acorn Archimedes A420/1: A Computing Milestone

Today we are looking at one of the first commercial computers with an ARM processor: The Acorn Archimedes A420/1

Part 1: This part
Part 2: https://youtu.be/m5xuJwQhANQ

0:00 Intro
1:48 Unboxing
10:42 What was sent in
18:42 Taking a look inside
26:13 Acorn and the Archimedes
46:27 Hooking the Archimedes to a monitor
49:33 First power up
57:17 Exploring RiscOS for the first time
59:48 Outro

-- Links

RISCO OS for Raspberry Pi:
https://www.riscosopen.org/content/downloads/raspberry-pi

8-bit Retro Shop:
https://www.retro8bitshop.com/

Toksicy2k Ebay: (Monitor flap)
https://www.ebay.com/itm/136011053548

Acorn Archimedes A420/1:
https://chrisacorns.computinghistory.org.uk/Computers/A4001.html#A410/1

ARM3 upgrade:
https://chrisacorns.computinghistory.org.uk/32bit_UpgradesH2Z/WE_25MHZARM3.html

Econet Module:
https://chrisacorns.computinghistory.org.uk/Network/Pics/Acorn_ADF10_EconetModule.html
https://www.retroisle.com/general/acorn_econet.php

Wikipedia:
https://en.wikipedia.org/wiki/Acorn_Archimedes
https://en.wikipedia.org/wiki/Acorn_Computers

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

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

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

--- Instructional videos

My video on chip removal without damage:
https://www.youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino