Boot on Vax8600:
HK0: 'F:\Shares\Distribution\VMS\Vms_30\VAXVMSV3.0-26APR1982\vmsv30.rk07'
Contains ODS2 File system
HK0: Volume Name: VAXVMSRL3Format: DECFILE11B Sectors In Volume: 53790
sim> b hk0
Loading boot code from internal vmb.exe
%SYSBOOT-W-ECO or microcode version less than
It looks there is some decnet on the disk.
Exec list gives phase-III router:
$ mc ncp
NCP>show exec char
Node Volatile Characteristics as of 21-MAR-2020 15:16:42
Executor node = 0
Identification = DECnet-VAX V3.0, VMS V3.0
Management version = V3.0.0
Incoming timer
