SiLic0ne t0aD Posted January 20, 2014 Share Posted January 20, 2014 (edited) 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 January 20, 2014 by SiLic0ne t0aD85 Quote Link to comment Share on other sites More sharing options...
kerbdog Posted January 20, 2014 Author Share Posted January 20, 2014 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? Quote Link to comment Share on other sites More sharing options...
SiLic0ne t0aD Posted January 21, 2014 Share Posted January 21, 2014 Video Display Processor, the main graphics chip. They can go bad.. Search around the forum in the ColecoVision section for more info Quote Link to comment Share on other sites More sharing options...
Sparkoids Posted February 1, 2019 Share Posted February 1, 2019 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 Quote Link to comment Share on other sites More sharing options...
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