The table below shows the possible outputs, in ascending order of priority, in the SYSTEM-TIME-PARAMETER section of the SHOW-SYSTEM-INFORMATION command for the value of SYNCHRONIZATION on both server types. If more than one timer is present, the highest priority amongst them determines the value of SYNCHRONIZATION.
| SU /390 | SU x86 |
| In the event of an error: | In the event of an error: |
| Not applicable | Default value |
| Default value | Not applicable |
| Synchronization by NTP network | Synchronization by NTP network |
| Synchronization by XCS network | Synchronization by |
| External timer via the MU or (for VM2000 guest systems) connected in the monitor system | External timer via the MU or (for VM2000 guest systems) connected in the monitor system |
| External timer connected via NTP | External timer connected via NTP |