bszarek001 Posted November 13, 2018 Share Posted November 13, 2018 Hi everyone. I know there were a few games that wont work on the original two port BIOS. Console5 had sold some replacements, however they told me they had quality issues and dont have any currently. Question is can I simply swap out the 2 port BIOS chip for a working 4 port BIOS chip? Thanks! Quote Link to comment Share on other sites More sharing options...
BassGuitari Posted November 13, 2018 Share Posted November 13, 2018 can I simply swap out the 2 port BIOS chip for a working 4 port BIOS chip? Yes. Quote Link to comment Share on other sites More sharing options...
bszarek001 Posted November 13, 2018 Author Share Posted November 13, 2018 Awesome. Just wanted to make sure. Thx Quote Link to comment Share on other sites More sharing options...
Lynxpro Posted November 15, 2018 Share Posted November 15, 2018 Maybe make a post in the MarketPlace to see if anyone can burn you an EPROM version of the BIOS. Or, you could contact Best Electronics; they probably have the ROMs in stock. Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted November 15, 2018 Share Posted November 15, 2018 Even if best doesn't have them already, they can likely make them. I believe they make they burn the replacement bios chips in the NTSC Euro mod kits they provide for the 7800s. Quote Link to comment Share on other sites More sharing options...
bszarek001 Posted November 15, 2018 Author Share Posted November 15, 2018 So is there a difference between simply placing the 4 port bios chip in the two port and buying the EPROM that was mentioned? Will the four port chip work to restore functionality for those three games? Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted November 15, 2018 Share Posted November 15, 2018 So is there a difference between simply placing the 4 port bios chip in the two port and buying the EPROM that was mentioned? Will the four port chip work to restore functionality for those three games? No difference. You can stick an actual 4-port bios chip into a 2-port 5200 and it will work just fine. The burned eproms are just the same thing on an eprom chip instead of a masked rom. Quote Link to comment Share on other sites More sharing options...
bszarek001 Posted November 15, 2018 Author Share Posted November 15, 2018 Perfect. Appreciate the input. Quote Link to comment Share on other sites More sharing options...
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