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Old 31 October 2019, 11:12   #6
Hewitson
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Join Date: Feb 2007
Location: Melbourne, Australia
Age: 37
Posts: 3,575
You can select the bank on the dual ROM by simply using a switch connected to pin 1.

Wouldn't the other 3.1 ROM interfere with 1.3 though? Maybe it's been patched to ignore it?

https://www.tsb.space/knowledge-base...-27c800-eprom/
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