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  1. Best Williams System 6 Driver Board / MPU replacement?

    Oct 30, 2016 · What is the best / most cost effective option for replacing the MPU / Driver board in a Williams System 6 pin with new boards? Rottendog? Are most new boards pretty much plug and …

  2. Modern Williams System 7 MPU Replacements - Pinside

    Quoted from barakandl: Have someone rebuild your MPU unless it is missing or very damaged. I would offer, but i am taking a few months off to do a bunch of home improvement projects. Once a sys 7 …

  3. [Gottlieb System 80] Big thread for various test boards and rigs

    A board with a grid of pushbuttons that plugs into the MPU to simulate switch matrix inputs such as game scoring, ball detection, tilt, etc. 64 Switch Matrix Tester (waiting list):

  4. Black Knight MPU and Driver Board - pinside.com

    Black Knight MPU and Driver Board By Acampero 13 years ago Jun '12 2012 Aug '16 2016

  5. DIY: 'LISY', a replacement MPU for Gottlieb, Bally & Stern

    Looking to install a Lisy anti flicker board on my Quicksilver mpu-200 board. The instructions on the website say to remove u14 which says is a 4049b but u14 on my board is a 14572.

  6. Over voltage at Test Points (TPs) Question. Please Help?

    Jan 13, 2023 · Or under voltage at TP2 on the rectifier board? It was also replaced. The voltages at TP1 and TP2 on the rectifier board are unrelated to your overvoltage issue on the MPU board. How are …

  7. System Alpha - New Combo CPU/Driver PCB for Williams System 3-7

    I am assuming that your board provides the full ROM address space, which is awesome because it means that it potentially can run the Alien Poker ROM patch I am working on. It runs heavily modified …

  8. DIY: 'WillFA7', a replacement MPU for Williams System3...7 games

    My first FPGA MPU where I'm using a Cyclone IV board is for GottFA80/GotFA80_PLuS in case you want to use it with 'late' 80B games ( Excalibur, Hot Shots, Big House, Bad Girls, Bonebusters and …

  9. System 80 RottenDog MPU | Tech: Early solid state | Pinside.com

    Jan 4, 2024 · This game had only non MPU related Solenoid issues, IE: Drop Target Sol. & Pop Bumper Sol. I will check the MPU's three R6532 RIOT Microprocessors and the U62256ADK07LLG1 ram …

  10. Identifying Bally / Stern MPU Boards | Tech: Early solid state ...

    Stern has two boards – MPU 100 and MPU 200. Easiest way for me to identify between them is the 200 has U13. Bally has three boards – AS-2518-17 – AS-2518-35 and AS-2518-133. The 133 is an …