Fail to install 5.3 on Netra t1

[kinux]

hi,

I am try to install 5.3-Beta4 on a Netra t1 105, while i try to boot =
from cdrom with the bootonly disc, it reported file kernel/unix not =
found, what's the problem.  Thanks.

ok boot cdrom
Resetting ...

=01
screen not found.
keyboard not found.
Keyboard not present.  Using ttya for input and output.

Netra t1 (UltraSPARC-IIi 440MHz), No Keyboard
OpenBoot 3.10.25 ME, 256 MB memory installed, Serial #12748404.
Ethernet address 8:0:20:c2:86:74, Host ID: 80c28674.



Executing last command: boot cdrom
Boot device: /pci at 1f,0/pci at 1/pci at 1/ide at e/cdrom at 2:f  File and args:=20
kernel/unix

>> FreeBSD/sparc64 boot block
   Boot path:   /pci at 1f,0/pci at 1/pci at 1/ide at e/cdrom at 2,0:f
   Boot loader: kernel/unix
File kernel/unix not found
Program terminated
ok