Remove the power cable and make sure the machine is not powered at all.

Using the painters tape and a marker, label all the cables within the machine. This is useful when reinstalling the cables into the motherboard later, but it's also good to know what is what.

You should have the following labels: X, Y, Z, X stop, Y stop, Z stop, Hotend, T0 (Hotend thermistor), Fan 1, Fan 0, and Filament Sensor

Fan 1 (as labeled by Anycubic) is actually multiple fans. We're going to need to modify this later on to plug into the new motherboard.