M471A2K43BB1-CRC Samsung 16GB PC4-19200 DDR4-2400MHz non-ECC。M471A1G43DB0 Samsung 16GB 2X8GB DDR4 PC4-17000 2RX8 2133MHZ 1.2V。How to enter the bios settings?SAMSUNG NP300e5Z - YouTube。the chip labelled P1.20 is the UEFI BIOS chip? my BIOS is bricked。商品の説明はありません