[coreboot] Help With port Coreboot to HP XW8400

[user7]

Hello All.
I have problem with port coreboot to HP XW8400. http://i.imgur.com/fFqTk95.png
http://h50146.www5.hp.com/lib/doc/manual/workstation/xw8400/364898-001.pdf
i want install on it Intel Xeon x54xx but i can install only x53xx.
This motherboard have:
Intel 5000X Chip.
Intel ® 631xESB/632xESB I/O Controller Hub (ESB2)
LSI SAS 1064 I/O Controller
BCM5752 - Broadcom
I check in coreboot siete and support chipset is 5000P, and I have 5000X it is possilble to easy port coreboot on my platform?