Watford Electronics A310 2MB Upgrade
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The Archimedes A310 was designed for a maximum of 1MB RAM. Although the MEMC could manage up to 4 MB, the address and control lines are missing for more than 1MB unlike the A400 and A400/1 range. Watford Electronics solution is to replace the MEMC with a daughter board with 2MB (or 4 MB) and plug it into the MEMC socket on the motherboard and to fit a second daughterboard to the VIDC socket and access the required line via a ribbon cable. One disadvantage of this arrangement is that you could not fit an ARM3 upgrade. There is a plastic insulation sheet fixed to the back of the boards to prevent contact with other parts of the computer and especially the disc drive bracket. Date : 1989Manufacturer : Watford Electronics Format : Expansion Board Physical Description : x2 Expansion board, Ribbon Cable This exhibit has a reference ID of CH48665. Please quote this reference ID in any communication with the Centre for Computing History. |
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