boot problems

i have 2 server es40 and ds20 with with unix truevector , the es40 is down cause of hard problem
i have traied to take hard disksfrom ES40 and put then in DS20
but there is problem
-------------------------------------------------------------------------------------------------------------
loading vmunix symbol table<<
trap : invalide memory read access <<
from kernel mode<<
faulting virtual address 0x000000000000<<
pc of faulting instruction 0xfffffc000058b30<<
...................................................... ra <<
...................................................... sp <<

panic (cpu):kernel memory fault
dump no primary swap,noexplicite dump dev. nowhere to put header,giving up
cp - save_term routine table to be called
cp - save_term exited within
halt int
pc = fffffc000056bb70

please i neeeeeeeeeeeeeeeeeeeeeeeed help

it seems that the kernel of the ES40 is a specific kernel which can not deal with DS40's idiosyncrasies...