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Grand Ram expansion card


sjt

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Anyone familiar with this card?

It would be great if I could find a schematic on this to restore one I was just given.

I found a little bit of information on it. It's a card I had never heard of.

Besides being socketed to accept what appears to be 512k, it is battery backed.

It also has 2 ports on the card. Possibly a Buss port and a cartridge port?

Someone suggested that there may have been external options for this card?

 

 

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