File:Aleph1 486 Expansion card (bottom)-1.jpg

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Aleph1_486_Expansion_card_(bottom)-1.jpg (640 × 450 pixels, file size: 39 KB, MIME type: image/jpeg)

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English: Aleph1 486 Expansion card (bottom).The Aleph1 PC Expansion card (revision 1) provided a comple PC on a podule card complete with 1MB or 4MB RAM and an optional 387 FPU which is fitted in the socket on the 486 card, in the middle on the bottom of top picture. The 486 Expansion card has a Cyrix 486SLC25 and a 1MB or 4 MB SIMM It has its own serial and parallel ports (see picture of back). The PC Expansion card enabled an Archimedes to run MSDOS or Windows 3.1 in a RISC OS window.This Aleph1's datasheet for the PC Expansion Card . It describes both the 386 and the 486 PC Expansion card.The Aleph1 PC Expansion Cards User Guide (Issue5) is available HERE .Here is the Aleph1 !PC r2.06sf software to configure and run the PC expansion card.
Date between circa 2004 and circa 2011
date QS:P,+2050-00-00T00:00:00Z/7,P1319,+2004-00-00T00:00:00Z/9,P1326,+2011-00-00T00:00:00Z/9,P1480,Q5727902
Source Chris's Acorns: Aleph1 486PC Expansion card Direct
Author Chris Whytehead
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Chris's Acorns This photograph originates from Chris's Acorns, a collection of material relating to Acorn Computers. The photograph was created between ~2004 and 2011 by Chris Whytehead. Please use the photo while adhering to the license including the attribution to "Chris Whytehead, Chris's Acorns – CC-BY-SA-3.0".

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