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Orion Computers A3000 RAM Upgrade

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Orion A3000 RAM Upgrade front

 Orion Computers A3000 RAM Upgrade (front)

Orion A3000 RAM Upgrade back

Orion Computers A3000 RAM Upgrade (back) 

The Orion Computers Ltd A3000 RAM upgrade has 8 socketed RAM ICs which allow it to be expanded from 1MB to 4MB depending on the model RAM IC used. This A3000 RAM Upgrade has 8 x MCM514256AZ80 giving 8 x 256k x 4bit = 1MB.