Problem with instaling FreeBSD-8.2-RELEASES platform sparc64 to Sun Enterprise 420R

[Lukas Maly]

Hi

I have Sun server Sun Enterprise 420R
http://www.flickr.com/photos/smejdil/sets/72157625843517234/with/5363082447/

I can install FreeBSD-8.2-RELEASES platform sparc64 to this server. But
installation ending on this last message.

--~--
jumping to kernel entry at 0xc0088000.
--~--

I testet also install with serial null modem cable
http://www.freebsdwiki.net/index.php/Sparc_-_Terminal_Emulation

--~--
OpenBoot 3.31

sun keyboard / stop + a /
set-defaults
printenv
setenv output-device ttya
{1} ok boot cdrom
Boot device: /pci at 1f,4000/scsi at 3/disk at 6,0:f  File and args:
 
>> FreeBSD/sparc64 boot block
   Boot path:   /pci at 1f,4000/scsi at 3/disk at 6,0:f
   Boot loader: /boot/loader   
Consoles: Open Firmware console

Booting with sun4u support.
Boot path set to /pci at 1f,4000/scsi at 3/disk at 6,0:a

FreeBSD/sparc64 bootstrap loader, Revision 1.0
(root at araz.cse.buffalo.edu, Mon Jul 19 03:00:30 UTC 2010)
bootpath="/pci at 1f,4000/scsi at 3/disk at 6,0:a"
Loading /boot/defaults/loader.conf 
/boot/kernel/kernel data=0x9b0648+0x75ca8 syms=[0x8+0xa7190+0x8+0x99725]
/
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...               
jumping to kernel entry at 0xc0088000.
--~--

Im tested also FreeBSD-7.3, and here is the same problem.

Existing some help how install FreeBSD to this historical HW ?

-- 
Lukas Maly <Iam at LukasMaly.NET>
LM.NET