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  1. searching for ram chips...........

    I thought I knew my RAM chips. Never heard of that one before. Can you post a picture? Maybe there’s an equivalent.
  2. My Sega G80 PCBs Repair Thread

    Pretty awesome work there. Nice job.
  3. Who works on Asteroids pcb's?

    Mrbill08 is great on Asteroids PCBs.
  4. Phoenix and Pleiads test ROM

    Working on a Centuri Phoenix with an issue where on a two-player game, the game immediately freezes up when switching to player 2. I tried Phil's test ROM and it went through the testing, with screens similar to what Phil shows, but in the top information row, I just get garbage on screen. I...
  5. Who works on Donkey Kong boards?

    Mrbill08, he’s awesome
  6. Who repairs what?

    mrbill08 is your man for Warlords.
  7. (deleted)

    (deleted, ignore)
  8. The Ultimate Retro Chip Tester...anyone have it?

    Get it to me. I’m happy to do it for you.
  9. The Ultimate Retro Chip Tester...anyone have it?

    I can update it for you. FYI, the items needed to update cost about $25 total, shipped.
  10. Unboxing Video - Four Boxes of NOS IC's from eBay (there are a few gems!)

    Well, that was fun! The 4 x SC-01's pay for the entire batch. Used on Q*bert and Bally/Midway Gorf type games. Good job. I didn't catch the whole part number to check but I think those 40-pin C0122xxx chips are Pokey's, GOLD MINE!
  11. Who repairs what?

    Braedel <— the best
  12. SOLVED issue converting Spectar (main board) to Venture

    6-28-2025 10:30PM update: issue solved. On Spectar, the IC @ 15C (74LS00) is not populated. I had populated when I started this effort, but upon closer schematics inspection, pin 8 is jumpered to ground. This is not the case on Venture. I just needed to cut that jumper and all appears to be...
  13. Which 6116 ram do I pick

    I’m not disagreeing with you, but can you give an example where a faster RAM causes issues?
  14. Battlezone & Tempest 40-pin IC's help

    Really? Cool, I'll check that out on mine.
  15. Battlezone & Tempest 40-pin IC's help

    Thanks much for the info.
  16. Battlezone & Tempest 40-pin IC's help

    Is there any way to test those 40-pin chips in Tempest and Battlezone other than in a game? Is there anywhere that documents what specifically happens when each one goes bad (assuming others are good)?
  17. help: Exidy Venture, weird color problem

    Correcting the ribbon cable for pins 11 & 12 fixed. All working now. Thanks all, and extra thanks to Mark/HudsonArcade for the final fix.
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