Questions tagged [hardware-mods]

For questions about modifications to retro hardware.

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CDTV board rev 2.3 can OCS Denise be upgraded to ECS

I came across this post from a user 18 years years ago, where he had some luck in upgrading chips on the board 2.3. is it possible? He says he was able to get 2MB chip ram and ECS Super Denise, can I ...
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How can I connect a PIA or VIA chip to the Apple IIc?

I have an early Apple IIc, model A2S4000 with the 342-0272 motherboard and ROM 255. (I am considering upgrading the ROM, perhaps with a switch that would let me switch between different ROM versions.) ...