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AcornBBC Model B

[Image: ]
This is really a picture of the BBC model B, but the machines look almost exactly the same.
623x295 JPEG file (33.8 KiB). Contributed by alexios (more pictures like this). Unrated (0 votes).
Source: The Machine Room by Alexios Chouchoulas. Use at will with due credit.
Entry quality: 1 | Rate this entry: Rated 1.00 (1 vote). | 14615 hits | Admin: alexios
No known owners (I still own one | I used to own one). I have seen one.
Search Google or Ebay United States for Acorn BBC Model B (more links, auctions & searches)
Other series members
Atom, BBC Model A, BBC Model B, Electron, BBC Model B Plus, BBC Master 128, BBC Master Compact, BBC Master Turbo, BBC Master 512, BBC Master EC.
Quick View
Pricing 399.00 GBP (United Kingdom, 1981), 84,000.00 GRD (Greece, 1985)
Emphasis Education, Home computing, Programming, Small business
Hardware compatibility BBC
Standards Teletext
Timeline Released: December 1981
CPU type 6502A
CPU word length 8 bits
CPU clock rate 2 MHz
ROM Size 32 KiB
RAM Size 32 KiB
Keyboard Typewriter keyboard
Graphics chip 6845
Graphics modes 160x256x4, 160x256x8, 320x256x2, 320x256x4, 640x256x2
Text modes 20x32, 20x32x8, 40x25x2, 40x25x8, 40x32, 40x32x4, 80x25x2, 80x32x2
Total number of colours 8, 16
Sound chip SN76489
Sound channels 3
White noise channels 1
Sound output Mono
Cassette tape speed 300 bps, 1,200 bps
I/O Ports Analogue Joystick/Mouse, BBC High Speed Bus, Composite video, Econet, Floppy, Parallel, RGB, RS-423, TV output, Tape recorder, Tube expansion, User port

More technical info...

Acknowledgements

Thanks go to the following people for contributing information to this entry.

References
Full Acorn Machine List.
A Technical History of Acorn Computers (Version 0.5 Beta).