Questions tagged [archimedes]

For questions relating to Acorn's Archimedes computers

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2
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2answers
383 views

How fast did the ARM-1 access memory?

The ARM-1, an early 32-bit RISC CPU, was used in the Acorn Archimedes computers, released in 1987. Its rated speed was one 32-bit instruction per cycle at 8 MHz. Typical RAM chips at that time would ...
3
votes
2answers
158 views

Archimedes emulator "archie" PCFS file metadata format?

Archie, an older Archimedes emulator for DOS had a feature called "PCFS" that allowed Archimedes files to be stored on the filesystem of the machine running the emulator. The files themselves were ...
10
votes
2answers
1k views

What's the difference between the DOS HIMEM.SYS and the Windows 3.x version?

An installation of DOS (e.g. MS-DOS 5.0) will typically include a statement in its CONFIG.SYS such as DEVICE=C:\DOS\HIMEM.SYS. When installing Windows 3.1, it's setup comments (REMs) that line out, ...
8
votes
4answers
875 views

Why didn't the Acorn Archimedes support general purpose co-processors?

Acorn's BBC Micro series is well known for the range of add-on processors (or Second Processors) that could be connected through it's Tube interface. These included the 6502, Z80, 80186, and also the ...
11
votes
2answers
462 views

What role did the BBC have in the development and marketing of Acorn Archimedes computers?

The BBC's Computer Literacy Project was launched in 1982, and saw the public service broadcaster seek to raise awareness and educate the general public about the growing field of computing. They ...
13
votes
1answer
2k views

Why did Acorn's A3000 have red function keys?

Acorn's line of ARM-based Archimedes computers was common in UK schools in the 1990s, and many classrooms had an A3000, A4000, or A5000 computer. The function keys of the A3000 were a distinctive red ...