Question 2nd HDD not showing in BIOS But shows in File Explorer

[Ashtonmatic360YT]

Anyone know a fix? My 2nd HDD Which is from my old pc shows up in Device manager and also File Explorer but doesnt show in BIOS?

 

[rgd1101]

what the motherboard?

 

[Ashtonmatic360YT]

what the motherboard?

acer h61h2-am

 

[rgd1101]

what the hdd ?