FreeBSD-12.0-RC3-i386-disc1.iso does not boot

[miltonott]

On Sat Dec 1 21:51:05 UTC 2018 CenturyLink Customer wrote:
> Hello all:Sorry, this old Pentium  4 refurbished test machine has been obstinate
> during ALPHA, BETA, and now RC.I had a workaround using the BTX bootloader  from
> ALPHA8 and pasted it into BETA3; meanwhile,remastering the .iso disk  afterwards.

  My lord, I send greetings. I have a mind to try FreeBSD-12.0-RC3-i386-disc1.iso,
and willingness to report back my  experience.  The  get-at-able  hardware  gives:
686 class Pentium 4 (socket 775), 686 class Celeron (socket 370).