Vectrex cartridge PCB replacement . With it,you can repair a faulty game cartridge using it and an eprom. You can also do a clean cart modding, sale your own vectrex 8bits games,etc...
This item works the common EPROM 27C256 , 27256, 27C128,27128,27C64,2764 . I also sell these eproms in my shop. This offer includes programmation for the case you wouldn't have an eprom programmer.
About all games,demos,homebrews released will work with it (up to 256kb / 32KB).
You'll have to solder an eprom.Depending on the eprom you'll use,you'll also have to solder a solder point like described on the picture,it's easy,just follow this explanation :
These Vectrex pcbs are gold plated for a much longer life than the original ones .
It would be a good idea to test your eprom's rom prior to solder it. You can use a Vectrex homebrew player for that purpose. it's sold in this website.