UEFI dual boot

[Kevin Oberman]

I just received a new laptop, the first to only support UEFI. I have shrunk
the Windows partition and used bsdinstall from the memstick to install
FreeBSD 12.1. The partitioning went fine, except that there are now to efi
partitions, the one previously on the drive for Windows 10 and the one the
install created.

I now need to learn the magic of configuring boot. I have looked at the
wiki tutorial and the efibootmgr(8) man pae, but I am missing something
basic.

Should I have two efi partitions? If so, how does the system figure out
which to use? Into which does the efi loader go?

This is further complicated by not having been able to get the network up,
so I can't upload my configuration. (This is an unrelated issue as I can't
get W10 to connect to my network, either.)

Anyway, pointers to useful documentation or a cluebat would be appreciated.
--
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman at gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683