I've noticed that there are no AOpen motherboards on the list. Is there any possibility of getting coreboot (and SeaBIOS) working on my old AX4BS-V? I'd like to be able to boot the FreeBSD installer via USB, but my BIOS doesn't support booting from it.

vendor: AOpen
model: AX4BS-V

From CPU-Z:
CPU: Pentium 4
Southbridge: Intel 82801BA (ICH2)
LPCIO: Winbond W83627HF

from EZWinFlash:
Flash Type: SST 49LF002A /3.3V