playchoice cartridge not working please help

bottlejunkie

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Donor 2011, 2015
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o.k. i have an excite bike cart that was working fine but i saw on ebay a guy selling eproms for diffrent game i wanted donkey kong and as it has it in his list excite bike was combatable with the roms he had.after i swapped the roms out donkey kong worked great well i tried switching back to excite bike tonight it wont work as a matter of fact i makes my whole machine not work when that cart is in it. is there a certain way the roms have to be put in ther? i tried diffent ways and nothing works.
 
The ROM chips have to be plugged in the right way. If you plug it in backwards, you'll likely destroy the chip. Line the notch in the chip up with the notch in the socket. Likewise, the chips need to be in the proper sockets. There should be a PRG and a CHR ROM. Getting those mixed up won't break anything, but it won't work either.

-Ian
 
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