The IS6XM natively supports .
To achieve dual-channel operation and guarantee boot success, follow these official slot loading guidelines: Populate the slots further away from the CPU socket first. Lenovo Is6xm Rev 1.0 Motherboard Manual
This is an FM2+ board. The best CPUs you can put in here are the or the Athlon X4 880K . Do not try to install Ryzen processors; they are physically and electrically incompatible. If you are running an A6 or A8 APU, upgrading to an A10 offers a noticeable performance boost. The IS6XM natively supports
This can happen even if the card works in another system. Lenovo Is6xm Rev 1.0 Motherboard Manual