[sdiy] Roland M-16C Memory Cartridge

Colin f colin at colinfraser.com
Mon Dec 2 14:20:57 CET 2013

> Are there any examples of people building replacements for 
> these? There was this bro who built lots of new memory for 
> Yamaha synths http://www.sector101.co.uk/
> This photo shows how simple the circuits are. One TC5517APL-2 
> CMOS static RAM IC (2048 word by 8 bit), a battery, a switch, 
> two resistors and a diode.

The Roland circuits are simple too, but the connectors on the M-xxC carts
are unobtanium.
I've hacked the connector off a M16-C to graft it onto a clone of the M64-C,
but that's no help if you don't have a cart to start with.

Colin f

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