System boots from second hard disk added to the system

[bkb1b3]

Recently I decided to add an additional drive to my freebsd system
.
In the process of adding the disk I some how listed it as my boot disk.
The original disk was ada0 the new disks is ada1.
I am trying to revert back to my initial boot disk ada0.
I have attached screenshots of gpartshow.need assistance with restore original boot disk ada0 in addition to making ada1 secondary for storage

 

[T-Daemon]

Try to arrange the disk (boot) order in the machines BIOS/UEFI.

 

[bkb1b3]

Thanks for responding
I'll try it

 

[fff2024g]

install boot file at first . then change bios boot item to new disk.