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Can a ColecoVision 5v Memory Mod be done on a Rev.D (1983) motherboard?

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Hmm that's a weird one. If you changed out the DRAM already, then Maybe your VDP took a dump. These can be a pain to get working right sometimes.

Thanks for the detailed pictures, I wish someone would do this for the "doubledown" power switch mod.

I may try this RAM mod later on down the road ;-)

Edited by SiLic0ne t0aD85

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Hmm that's a weird one. If you changed out the DRAM already, then Maybe your VDP took a dump. These can be a pain to get working right sometimes.

Thanks for the detailed pictures, I wish someone would do this for the "doubledown" power switch mod.

I may try this RAM mod later on down the road ;-)

 

VDP?

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Video Display Processor, the main graphics chip. They can go bad.. Search around the forum in the ColecoVision section for more info ;-)

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I can confirm this mod works perfectly on a PAL Rev D Colecovision board. Since I have the VGA F-18A mod I had to put. an extra socket on the video processor to clear the raised RAM in it's sockets

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