Posted By
Chicken
on 2016-02-11
11:19:18
 |  Re: Blank cartridge boards
Blake 7: I think, ken was talking about ROM cartridges and not about external RAM extensions.
The hardware modification for "REV. A" boards you are refering to doesn't require soldering or additional components. You just need to cut pin 9 on U5 and U6 to make those external RAM extensions work on early C16s.
Here's an example which also describes the modification:
http://plus4world.powweb.com/hardware/64K-RAM_Speichererweiterung
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