HI,
yes Michal is correct those details get from execute T.code RZ70.
Just execute T.code RZ70 in u r SAP r/3 and select your sap Pi system server name.It will generate all R/3 server details in PI system.
2)Go to SLD and select Technical system as Web As ABAP.Select New technical sysstem->Web As Abap->SID,Instalation Number,hostname(These details find in Ur R/3 system.In R/3 select SYSTEM option and click on STATUS) it will display all the required information.
Thanks
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