RadiSys ATCA-5400 RTM Spezifikationen PDF herunterladen (Seite 49)

5HARDWARE MANAGEMENT

ThehardwaremanagementsubsystemincludestheIntelligentPlatformManagement

Controller(IPMC),themanagedsensors,andthecommunicationinterfacestoexternal

entitiessuchastheShelfManager.TheIPMCcontrolsthehardwaremanagement

subsy stembyenablingpayloadpowerandports,detectingcomponenthardwarestates,

initiatingresets,andmonitoringmanagedsensors.

TheCPM’shardwaremanagementsystemcomplieswiththeIntelligentPlatform

ManagementInterface(IPMI)1.5specification,whichdefinesasetofcommoninterfaces

formanagingthesystemandformonitoringsystemhealth.TheIPMC(whichis

independentfromtheCPU)runstheIPMIfirmware.Thisallowsadministratorstomanage

asystemremotelyevenintheabsenceofoperatingsystemorsystemmanagement

software.Figure 11showsthefunctionalblocksmakingupthehardwaremanagement

subsystem.

Figure 11. Hardware management subsystem block diagram

AMC with MMC

RTM with MMC

IPMB 0

Ethernet

Controllers

(Serial over LAN)

EEPROM, CPU Complex FPGA,

PECI, Local Hardware

(Temperature & Voltage)

Sensors

IPMC

Watchdog

IPMC FPGA

2166

LPC Bus

IPMB 1

Payload Processor

Complex

IPMB-L

[I2C Bus 5]

[I2C Bus 3]

[I2C Bus 2]

[I2C Bus 1]

[I2C Bus 0]

[I2C Bus 4]

MUX

ICH10 SMBus

MUX

E-Keying

Logic &

Controllers

(SAS/SATA

& Fabric

Muxes)

SPD DIMM

Temperature

Sensors

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