Pole Position - Game works, just missing a few colors from the car & billboards

Bullwinkle

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Pole Position - Game works, just missing a few colors from the car & billboards

I had an older thread on here, but the title was misleading so I decided to start a new one. I needed to correct a power issue before continuing, so I've installed a switcher to handle my +5v and installed a molex on my harness to switch between the switcher and the ARIIs feeding my system (I hate hacking harnesses so I wanted to leave a way to get back to original hardware if I ever wanted to test it or get it working original again.)

So now, progress wise, I'm back to getting the boards working properly. Below are some screenshots of what I currently get.

ppcrash.jpg

ppracestart.jpg


As you can see, the car and the sign are missing some colors, the car itself flickers the entire race. Any ideas on where to start looking (ie: ram locations to check/replace?)

I also have some video that shows the problem a little better than the picture at http://www.youtube.com/watch?v=CwjHkT8LOrI

any help at all is greatly appreciated

##########################################################

EDIT: Problem solved with another video pcb, so I currently don't know why this video board did this and would still like to fix it if anyone has any suggestions, but at least my game is up and running :)

Same cpu board, different video board pic below:

ppworking.jpg
 
Last edited:
Different video board..... but are they the same roms ?
Did you swap the roms or anything else to the new video board?
 
bieng you dont need to worry about ruining the board, pull all the socketed chips, sand and clean as needed then reinsert... (*******1 AT A TIME*****)


might be as simpole as a krappy connection someplace.


that bieng said, most times getting a working oo boardset would stop most folks dead in thier tracks messing with the game more..

if its working, leave well enough alone is the mentality of most folks including myself.
 
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