Does my motherboard support 7.1?

Apr 21, 2018
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Just bought my cloud 2 7.1 but i cant seem to get the 7.1 working I think my motherboard doesnt support 7.1 can anyone confirm it? system model: 80sv
SKU if needed (I dont really understand anything about this subject): LENOVO_MT_80SV_BU_idea_FM_Lenovo ideapad 510-151KB