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Ps1 Modchips not working. Using pic12f629

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#1 icemanxp300 OFFLINE  


    River Patroller

  • 4,348 posts
  • Location:NY

Posted Tue May 15, 2018 8:12 PM

Ok so nothing like wasting 3 hrs or so trying to mod a ps1 I don't even need as I already have a modded unit. At this point it is purely about principle.


I have tried programming numerous times different files.





The first I tried was PSX 12F629 package and it says that a 9000 series only uses 3 wires w/ a jumper. I am not sure this pcb is a 9000 series though as the unit says on bottom it is a 7501. Wiring this way will not play any games even original w/that jumper there, I think the wiring diagram may be wrong.


I then tried, this mm3 hex dump




This however gives me a configuration verify failed error which I believe is a programming glitch. Using Gq-4x. topic started here about it.




I have the option of changing the file format I have tried programming the hex file as binary and hex, nothing works. Well original games will play but not burned.


Below are the pics of what I am using for wiring.


Here is the psx wiring given for the pcb I am using.








Here is the mm3 wiring given for the pcb I am using









Here is the file format choice I can choose when I load the hex file.






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