It was made in version 311. You have to try to flash it.
1: First use the RU program to make a USB boot (like this). Find the 0x1c position in the pchsetup menu and change 01→00. save Changes.
2: Having done the above, you need to execute the write command (FPTw.exe -bios -f StaticZiao.bin) with a suitable FPTw (like this). After writing is complete your BIOS will be unlocked.