The Acorn Archimedes was the first RISC based home computer. They came with a graphical user interface operating system called “RISC OS”. They could display 256 colours on screen and 8 channel stereo sound. They were very popular in the late 1980s and early 1990s in schools, they superseeded the BBC Micro.
Processor Type: ARM2
Processor Speed: 8MHz (Main)
RAM: 1Mb (Expandable to 4Mb)
ROM: 512k (RISC OS 2) or 1Mb (RISC OS 3)
Display: None – Monochrome connection to a TV via RCA phono connector or colour monitor via 9pin D-Sub connector
Storage: 720k 3.5″ floppy drive (could be upgraded to 1.44Mb floppy), a hard drive could be fitted using a “podule”.
Original Release Date: May 1989
Discontinued: Mid 1990s
Cost (New in 1989): £649.99
Cost (In 2019 Price): £1588.60
Modifications I have performed:
Removed and replaced CMOS battery
Replaced power supply
RGB to Scart cable for colour TV output
Changed ROM chips to upgrade RISC OS from 2.00 to 3.11