problem with IBM x 345 series!

[Mesut GÜLNAZ]

i use FreeBSD for everything for my love. but i have a problem.

i bought a IBM x series 345 Server. with ServeRAID 6.10
i could not install FreeBSD 5.* release. when i wanna boot default keyboard is freeze. and nothing is working.
but when i bott from single user or any other choose keyboard is work but 

No disk found!

what can i do!

i read http://unix.derkeiler.com/Mailing-Lists/FreeBSD/isp/2003-05/0065.html

but it says that 5.1 or other ServeRAID does not support.
i dont wanna use linux. i hate.
please help me!