The Lenovo IS6XM Rev 1.0 is primarily found inside the and select IdeaCentre models. It is an FM2+ socket motherboard designed for AMD processors.
Tip: If the board is installed in the original Lenovo case, look for the labeled plug on the wiring harness. If you are modding this into a generic case, you may need to trial-and-error the polarity for the LEDs, though switches generally work regardless of polarity. Lenovo Is6xm Rev 1.0 Motherboard Manual