discgolfer72 Posted February 21, 2018 Share Posted February 21, 2018 ok ended up with a 4 port with the * in the serial number in a lot of untested consoles (several intelvision and vic 20's) from what I understand this is a later model 4 port that should support the vcs adaptor am I correct (before I buy a vcs adaptor and sell my 2600) everything in the lot was untested but everything was working except the 5200 I had no way to test since it did not have a power brick or rf modulator box I also ended up buying a 5200 on ebay with power /rf controllers and games (pretty much bought the lot for the power brick and rf unit lol) problem is the first 5200 with serial # AT*3130193851 only booted to the green screen the second unit with serial# sv-402 0086681 worked but what the auction didn't list was that several pins on controller port 1 and 2 are missing so I can play pacman lol but any game that uses a button does not work really wanted to keep the AT*3130193851 machine (to use with the vcs adaptor )so i started swapping chips (also hate DE soldering and didn't want to swap controller ports) i found that the chip in attached pic was the bad chip are these available to purchase somewhere what chip is that also is there a source for replacement controller ports id like to save both consoles if i can also anyone have a link to the modifications needed to make the older 4 port work with the vcs adaptor Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted February 21, 2018 Author Share Posted February 21, 2018 so after some searching that chip is the 6502 "hmmmm" as I eyeball a 6502a on a centipede arcade pcb what 6502 are compatible with the 5200 Quote Link to comment Share on other sites More sharing options...
+-^CrossBow^- Posted February 21, 2018 Share Posted February 21, 2018 so after some searching that chip is the 6502 "hmmmm" as I eyeball a 6502a on a centipede arcade pcb what 6502 are compatible with the 5200 Well..this isn't going to be the best answer, but if you look up the pinouts to both and they seem to match up, then I say just swap it with the other and see what happens? That is exactly what I would have done LOL! Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted February 21, 2018 Author Share Posted February 21, 2018 Well..this isn't going to be the best answer, but if you look up the pinouts to both and they seem to match up, then I say just swap it with the other and see what happens? That is exactly what I would have done LOL! lol tried its better lol green screen with yellow bar on one side but def not a match lol dug thru all the arcade pcb in my store all are z80 or Motorola except 3 centipede boards an they all are 6502a uggggggggg lol made an order for a Atari 800 6502 that has the same part number so that should fix the machine just need to find some joystick ports (without having to steal them from another console ) Quote Link to comment Share on other sites More sharing options...
SignGuy81 Posted February 22, 2018 Share Posted February 22, 2018 You can get the replacement port here https://www.ebay.com/itm/1-pc-NOS-NEW-Atari-5200-Controller-joystick-INPUT-15-pin-chip-PART-ONLY-RARE/222786792780?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649 Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted February 22, 2018 Author Share Posted February 22, 2018 You can get the replacement port here https://www.ebay.com/itm/1-pc-NOS-NEW-Atari-5200-Controller-joystick-INPUT-15-pin-chip-PART-ONLY-RARE/222786792780?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649 thanks I bought a pair had to totally re do my 8 bit setup but now the working 5200 has a forever home lol had to add the shelving under my main desk it is great found it at ikea for 14$ a unit Quote Link to comment Share on other sites More sharing options...
john_q_atari Posted February 24, 2018 Share Posted February 24, 2018 (edited) The chip is available from Best for $8 plus shipping. Though I have heard people say they have a $20 minimum order. http://www.best-electronics-ca.com/custom-i.htm Edited February 24, 2018 by john_q_atari Quote Link to comment Share on other sites More sharing options...
SignGuy81 Posted February 24, 2018 Share Posted February 24, 2018 The chip is available from Best for $8 plus shipping. Though I have heard people say they have a $20 minimum order. http://www.best-electronics-ca.com/custom-i.htm That is true about the $20 minimum order. Quote Link to comment Share on other sites More sharing options...
discgolfer72 Posted February 25, 2018 Author Share Posted February 25, 2018 The chip is available from Best for $8 plus shipping. Though I have heard people say they have a $20 minimum order. http://www.best-electronics-ca.com/custom-i.htm That is true about the $20 minimum order. thanks guys a picked some controller ports and the cpu up on feepay for under 20$ for everything they showed up yesterday sat down today and replaced the ports and installed the new chip bam works like a champ https://youtu.be/7x9Ls1PmpfQ Quote Link to comment Share on other sites More sharing options...
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