Lenovo IdeaPad 300-15IBR Bios NM-A471 BMWC1 / BMWC2 Rev: 2.0 bios.bin Intel \ Nvidia \ IT8886HE Lenovo GD25B64CSIC_8MB lenovo ideapad 300-15ibr - NM-A471 IT8886HE_128KB Lenovo Ideapad 300-15IBR photo HD BMWC1 / BMWC2 NM-A471 Rev:2.0 photo HD