Specifications

4
Changing Shelf Settings Using HPI
76
Changing shelf power properties
Theshelfresourcecontainstwocontrolsthatenablesystemmanagerstoupdateshelfpower
propertiesintheShelfPowerDistributionrecord.Ingeneral,systemmanagersshouldnever
needtochangetheseproperties.However,insomecases,anewboardwithhighpower
requirementscanexhaustthepowerbudgetoftheshelf.Systemmanagersmayneedto
adjustthepowerdistributionsothatmoreexternalcurrentorahigherminimumvoltageis
availabletotheshelf.
WARNING!Usecautionwhenchangingthesevalues,asthewrongpowerpropertyvaluescanlead
toshelfandboarddamage.ItisrecommendedthatyoucheckwithRadisysTechnicalSupportbefore
makingchangesusingthesecontrols.
ThecontrolsarestandardHPIanalogcontrolsandinclude:
• Control0x1011:MaxExternalAvailableCurrent
Theminimumvalueis5ampsandthemaximumis150amps.Thiscontrolreportsthe
currentvalueintenthsofamps.Forexample,avalueof10Awillbereportedas100.This
ishowthevalueisstoredintheshelfFRUrecord.
• Control0x1012:MinExpectedOperatingVoltage
Theminimumvalueis36Vandthemaximumis72V.Thiscontrolreportsthecurrentvalue
in1/2Vincrements.Forexample,avalueof40Vwillbereportedas80.Thisishowthe
valueisstoredintheshelfFRUrecord.
Saving and loading custom FRU configurations
HPIletsyourestorearesourcetothedefaultfactorysettings,saveandrestorecustom
configurationsettings,andapplyacustomconfigurationforoneFRUtoanotherFRUofthe
sametype.
YoucanmanageFRUconfigurations:
•UsingthestandardHPIfunctionsaHpiParmControl().Fordetails,seeHPIparameter
controlonpage 77
.
•UsingtheSNMPvariablesaHpiResourceParmControl.0xffffffff.<resourceID>.falsefromthe
HPI‐B0101‐MIBmodule.SettheresourceparametercontrolfortheFRUto
restoreDefaultParm(1)torestorefactorydefaults,tosaveParm(2)tosavethecurrent
settings,ortorestoreParm(3)torestorethesavedsettings.
Note:Thevalueyousetremainswhiletheparameter
controloperationisinprogress.The
undefined(0)valueindicatescompletionandreadinesstoperformanotheroperation.
•Usingthehpiappexampleapplicationinteractivelyorasaprogrammaticexamplefor
writingyourapplications.
SeethesectionsthatfollowformoredetailsandinstructionsformanagingFRU
configurations.