As a backup chip in case the current BIOS Chip is corrupt. You will need a new bios chip for the following purposes.
BIOS CHIP IDEAPAD FLEX 5 15ALC05, FLEX 5 14ALC05, FLEX 5 14ALC7, FLEX 5 16ALC7
ASUS 970 Pro GAMING/AURA BIOS Chip A88X-Plus USB 3.1 4x4gb 6300 CPU Ram Bundle
BIOS CHIP - ASUS SABERTOOTH 990FX/GEN3 R2.0 / ET2220IUTI / P9D-X / P7F-X / G11CD
BIOS CHIP - ASUS Z170-DELUXE / Z170-K / Z170M-E D3 / Z170-P / A68HM-E / A68HM-K
BIOS CHIP ASUS G513IH, G834JY, X415EA, X515EA, X409FB, X512FA, X512FF, G732LXS
BIOS CHIP - ASUS PRIME H310T / Q270M-C/CSM / B250M-C/CSM / EX-H110M-V/CSM / P6T
