Dell PE 2500 install FreeBSD 5.4 freeze

Hi everyone, I have a Poweredge 2500, dual 1GHz cpu, BIOS A07, PERC 3/DI v2.8-0 bios (build 6089), that I'm trying to install 5.4 on. I boot from CD, with or without ACPI, and it freezes after it recognizes the second of two RAID containers. It detects the first container, 3-18GB drives aacd0 as

make buildworld + make buildkernel

Hi all, I was in the process of doing make buildworld, make buildkernel, etc... Make buildworld complete, but before I could do make buildkernel, etc... my machine shutdown - power outtage. My question is, do I have to redo make buildworld before I do make buildkernel or can I just turn my machine