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Mac OS

  • 1) This update will only work with a Class 10 microSD Card that is 8GB or larger. You will also need a microSD USB adapter and 8GB of free space on your computer's hard drive. These are available on Amazon.
  • 2) Download the update file here: https://www.chicago-gaming.com/coinop/medieval-madness/update/latest
  • 3) Get Extractor from the Mac App Store (Free App) to unzip the .7z file you just downloaded: https://itunes.apple.com/us/app/extractor-unarchive-rar-zip/id971826370?mt=12
    NOTE: If the Mac App store isn't your thing, you don't have an account, and you just want to grab a different app, any free zip unarchiver will work. You can try this if you want: http://the-unarchiver.en.softonic.com/mac
  • 4) Launch Extractor and point it at MedievalMadness201Installer.7z; let it unzip the file; verify you're done when you see MedievalMadness201Installer.img on your desktop. Here is what Get Info looks like for the completed image:
  • Launch extractor and point to file
  • 5) Download ApplePi-Baker here: http://www.tweaking4all.com/?wpfb_dl=94
  • 6) Launch ApplePi-Baker and enter your admin password; this is required each time you launch the app and is required for the install:
  • Launch ApplePi-Baker
  • 7) After you've entered your password, you're taken to the main screen. On the left side, in the Pi-Crust section, select the SD card that is inserted into your Mac:
  • Select SD Card
  • 8) On the right side, in the Pi-Ingredients section, tap the ... to open up the File Browser
  • Tap ...
  • 9) Find the MedievalMadness201Installer.img and press Open:
  • Select SD card
  • 10) Press "Restore Backup" to begin the process:
  • Restore backup
  • 11) Wait a little bit... It will tell you how much time it has:
  • Write
  • 12) When it's done writing the SD card, it will let you know that it was successful and that you can remove the SD card:
  • Write Successful
  • 13) With the game powered off, install the card in the controller board, behind the marquee translite. Power the game on, and you will see a message that the new version is installing.
  • Install the card in the controller board
  • 14) When you see the following message, power off the game, remove the card, and power the game back on.
  • Install complete

Special thanks to Marc Schonbrun for his help creating the Mac OS instructions.


This version includes the following enhancements and bug fixes:

  • 1) Next generation graphics engine to support full color display upgrade and address previous screen tearing issue.
  • 2) Addition of Castle Multiball jackpot voice call
  • 3) Modifications to real time clock
  • 4) Addition of adjustment for controlled playfield LEDs
  • 5) Addition of adjustment for trough coil strength
  • 6) Resolution of audio crackling issue


This version includes the following enhancements and bug fixes:

  • 1) Fixed bug in OS causing date and time to reset.


This version includes the following enhancements and bug fixes:

  • 1) Updated installer to be compatible with new generation Beagle Boards.