DO NOT DO THIS on a Thunder Laser USA Machine UNLESS INSTRUCTED to do so by Thunder Laser USA support. If you suspect a controller error or issue, try this first: Resetting The DSP To Default Parameters, then contact support@thunderlaserusa.com.
Thunder Laser uses a custom firmware image for its machines and there are different versions for the different machines series (Nova, Bolt, and Odin).
We do not publish our firmware. Please contact support for more information.
You need to see this before performing a firmware upgrade or controller swap: Replacing the DSP Controller
Here are the detailed instructions: