WTB: MCR SSIO board for Tapper boardset

JC Arcade

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Looking for a working MCR SSI/O board for a Tapper. I've got the other two boards in the Tapper boardset, but I'm missing that one to complete the set.
 
I *think* so if I'm understanding the MCR FAQ properly. 4 Eproms need to be changed.

Here's a link to the FAQ: http://users.rcn.com/jenison/mars/faq/MCR_FAQ.txt

And here is the pertinent blurb...

As alluded to previously, the SSIO is a general purpose I/O board used across all the MCR series games with minor modifications from system to system. As a general rule, the SSIO from different games may be safely swapped for testing purposes.

Customization of the SSIO for a particular game is accomplished through four 4K EPROMs in locations A7-A10.


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