Before we can start the install, we need to have:
a) Guest machine configuration for FreeBSD 8.0.
b) ISO installer, we will be using bootonly in this case.
As usual, create a guest machine configuration, below is my configuration:
With ISO now downloaded and VirtualBox configuration ready, start the FreeBSD 8.0 virtual machine. Below is a slideshow with the settings that I picked for my minimal FreBSD install.