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Simtec A3000 RAM Upgrade Issue D (top)
Simtec A3000 RAM Upgrade Issue D (bottom)
Simtec A3000 RAM Upgrade Issue E (top)
Simtec A3000 RAM Upgrade Issue E (bottom)
The Acorn A3000 had 1MB RAM, although the memory controller could support 4MB, many OEMs supplied upgrades to increase RAM to 2MB or 4MB.
Here is the Simtec A3000 RAM upgrade. There are 2 diffetent Issues, Issue D (1994) in top 2 pictures and Issue E (1995) in the bottom 2 pictures. The Issue D upgrade is a 1MB upgrade with sockets for the user to add RAM to make it up to a 3 MB upgrade. the Issue E upgrade s a 3MB upgrade.