Simtec 340 4MB RAM expansion

Simtec 4MB RAM expansion for A300 series

The Simtec 340 4MB RAM expansion for the A300 series of Archimedes allowed users to expand their A300 machines RAM beyond the Acorn specified maximum of 1MB to the full 4MB that the MEMC controller can access.

The "340" in the name of the board is a nod to the naming convention that Acorn used when naming its machines at the time. The A305 shippeed with 512KB of RAM, t