BBC Master

The BBC Master was an upgraded version of the BBC Micro, with additional memory card slots, a MOS 65C102 CPU running at 2MHz and 128k of RAM. It was brought …

BBC Micro

The BBC Micro was designed and built by Acorn. It was a UK Government funded project to put computers into schools in the early 80’s. I remember using one myself …

Amstrad PCW9512

The Amstrad PCW9512 started life in 1987 as a Personal Computer aimed largely at word processing at home. It uses a Zilog 80 CPU running at 4MHz, 512k RAM. It …

Digital pdp11/23

Digital pdp11/23 (two of). These pdp11’s use a single-chip CPU. Nearly all other pdp11 computers use 3rd generation logic boards to form the processors. The F-11 CPU is based on …

Osborne 1

The Osborne 1, built by the Osborne Computer Corporation, is considered to be the worlds first portable computer. It features a 5″ monitor, two 5 1/2″ floppy drives, Zilog 80 …

IBM AT

This IBM AT Model 5170 was built in 1985. It was bought new by Appleby Castle. Along with software it cost £8000. That is £34,000 in 2018 money ($43,680). It …

Sharp MZ-80K

The Sharp MZ-80K was one of the earliest attempts at combining the Computer, Monitor, Keyboard and Tape Cassette all into one unit. It uses a Zilog 80 CPU and has …