Specifications

2
Hardware Description
25
Intel® Xeon® E5-2400 family processor
TheCPMusestwoIntel®XeonE5‐2400familymulti‐core,64‐bitprocessorsbuiltusinga32‐
nmprocess.TheE5‐2400processorincludesa3‐channelmemorycontroller,QuickPath
interconnect,andintegratedI/OforPCIExpresssupport.Theprocessorcoresshareanupto
20MBcacheandincludesupportfortheExecuteDisableBit,Speed‐Step,Virtualization,
StreamingSIMDExtensions,Hyper‐Threading,TurboBoost,andTXT.TheATCA‐46xxCPME5‐
2400processorshaveamaximumthermalpowerdissipation(TPD)rangingfrom50Wto70
Wdependingonconfiguration.
Table 4andTable 5providethemajorprocessorspecifications.
Adaptive thermal monitor for processor protection
TheCPUcasetemperaturemustremainwithinthespecifiedoperatingrangeinorderto
maintainreliabilityoverthelifeoftheprocessor.TheCPUincludesanadaptivethermal
monitor(ATM)tohelpcontroltheprocessortemperature.TheATMselectsbetweenvoltage
andfrequencycontrolandinternalclockmodulationtoreduceprocessorpowerandto
activatethethermalcontrolcircuitry.
EachCPUincludesasingledigitalthermalsensor(DTS)thatcontinuouslymeasuresthe
temperatureattheprocessingcoresandprovidesprocessordietemperatureinformationthat
representstheworstcasetemperatureforallcores.TheDTSdatarepresentsthediff erence
betweenthecurrentdietemperatureandthetemperatureatwhichtheATMactivatesthe
thermalcontrolcircuitry.TheIPMCaccessesDTSinformationthroughthePCHManagement
Engine(ME)overtheplatformenvironmentalcontrolinterface(PECI).TheMEindependently 
monitorstheDIMM,CPU,andPCHtemperaturesandrelaysthatinformationtotheIPMC
overtheI
2
CBus.
Table 4. CPU bus specifications
Processor
Number of
Cores
Number of
Threads
QPI Speed
DDR3
Speed
Last Level
Cache Size
LV70W-8C 8 16 8.0 GT/s 1333 MHz 20 MB
LV60W-6C 6 12 7.2 GT/s 1333 MHz 15 MB
LV50W-4C 4 8 6.4 GT/s 1333 MHz 10 MB
Table 5. CPU thermal specifications
Processor
Thermal Design
Power (TDP)
Case temperature
(long term operating)
Case temperature
(short term* operating)
LV70W-8C 70W 78.1°C 93.2°C
LV60W-6C 60W 73.4°C 88.4°C
LV50W-4C 50W 77.4°C 92.4°C
* Note: Short term operating = 360 hours per year (or less)