ndary Posted March 4, 2023 Share Posted March 4, 2023 Can somebody help identifying the addons boards? 1 Quote Link to comment Share on other sites More sharing options...
TGB1718 Posted March 4, 2023 Share Posted March 4, 2023 From the look of them, they are multi Operation System ROM's , the switch at the top will select which one. However exactly what OS's they are will depend on the ROM contents. They probably won't work as it appears 2 logic chips are missing from the addon board, but you never know they may only be required if the 3rd ROM socket is occupied (seems odd the same chips missing from both boards). Maybe someone has one of these and can advise further. Quote Link to comment Share on other sites More sharing options...
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