Oracle SPARC T8-4 Service Manual page 131

Replace the Battery
Press the new battery into the battery holder with the positive side (+) facing away from
the metal tab that holds it in place.
f. Install the main module back into the server.
See "Install the Main Module" on page 102.
Return the Server to Operation.
g.
3. Reset the system clock.
a.
Use the Oracle ILOM clock command to reset the system clock.
The following example sets the date to August 22, 2016, and the timezone to EDT.
-> set /SP/clock datetime=081221302016 timezone=EDT
Set 'datetime' to '081221302016'
set 'timezone' to 'EDT'
-> show -d properties /SP/clock
Properties
datetime = Mon Aug 22 13:20:16 2016
Servicing the Battery 131