Daniel>   (boot from cd)
Daniel>   (create device nodes for ld0a-h and rld0a-h)
Daniel>   # mount /dev/ld0a /mnt
Daniel>   # cp /usr/mdec/ofwboot /mnt/boot

.... You need sync before umount, probably, here....
          # sync;sync;sync;
Daniel>   # umount /dev/ld0a
Daniel>   # cd /usr/mdec     (the dir on the CD)
Daniel>   # /usr/sbin/installboot -v -t ffs /dev/rld0a bootxx /boot
Daniel>   # reboot
---
Makoto Fujiwara,