Looking for the name and documentation of this e-prom cartridge. http://qdv.pw/eng/_photos/Computers/Coco/Eprom%20cartridge_8685.jpg http://qdv.pw/eng/_photos/Computers/Coco/Eprom%20cartridge_5229.jpg http://qdv.pw/eng/_photos/Computers/Coco/Eprom%20cartridge_5230.jpg How can I get a Coco-3 HDB-DOS e-prom for this cartridge? Kandur