The Machine Room
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The Machine Room is Back!
This is the recovered Machine Room from 2005. Please don't expect wonders. The look and feel of this site is nine years old, and so is its code. Some of the functionality has been recovered while the rest of the site is modernised and restructured. Watch this space!
Top :: Browse :: Acorn :: M4

AcornM4

Entry quality: 1 | Rate this entry: Unrated (0 votes). | 4963 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 M4 (more links, auctions & searches)
Other series members
A500, A305, A310, A410, A440, A680, M4, R140, A3000, A410/1, A420/1, A440/1, R260, R225, A540, A5000, A4, A3010, A3020, A4000, RiscPC 600 2M HD210, RiscPC 600 5M HD210, RiscPC 600 9M HD420, A7000, RiscPC 700 10M HD850, RiscPC 700 4M HD425, RiscPC 700 5M HD425, StrongARM RiscPC, CoNCord, A7000+, A7000 Expanded, A7000 Net.
Quick View
Units Produced 1, 2
Emphasis Education, Graphic Arts, Music, Programming, Workstation
Timeline First information leaked: 1989
CPU type ARM2
CPU word length 32 bits
CPU clock rate 8 MHz
RAM Size 8 MiB
Total peripheral memory 67 MiB
Sound channels 8
Sound output Stereo
I/O Ports 3x Expansion, Audio output, Composite video, Econet, Expansion, Parallel, RGB, RS-423

More technical info...

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