Intel P4000 - DATASHEET REV 001 - Page 4

4 Datasheet
3 Technologies............................................................................................................36
3.1 Intel® Virtualization Technology ..........................................................................36
3.1.1 Intel® VT-x Objectives............................................................................36
3.1.2 Intel® VT-x Features ..............................................................................36
3.2 Intel Graphics Dynamic Frequency .......................................................................37
4 Power Management .................................................................................................38
4.1 ACPI States Supported .......................................................................................38
4.1.1 System States........................................................................................38
4.1.2 Processor Core/Package Idle States...........................................................38
4.1.3 Integrated Memory Controller States.........................................................39
4.1.4 PCIe Link States .....................................................................................39
4.1.5 DMI States ............................................................................................39
4.1.6 Integrated Graphics Controller States ........................................................39
4.1.7 Interface State Combinations ...................................................................40
4.2 Processor Core Power Management ......................................................................40
4.2.1 Enhanced Intel SpeedStep® Technology....................................................41
4.2.2 Low-Power Idle States.............................................................................41
4.2.3 Requesting Low-Power Idle States ............................................................43
4.2.4 Core C-states .........................................................................................44
4.2.5 Package C-States ...................................................................................45
4.3 IMC Power Management .....................................................................................48
4.3.1 Disabling Unused System Memory Outputs.................................................49
4.3.2 DRAM Power Management and Initialization ...............................................49
4.4 PCIe Power Management ....................................................................................50
4.5 DMI Power Management .....................................................................................51
4.6 Integrated Graphics Power Management ...............................................................51
4.6.1 Intel
®
Display Power Saving Technology 5.0 (Intel
®
DPST 5.0).....................51
4.6.2 Graphics Render C-State .........................................................................51
4.6.3 Graphics Performance Modulation Technology.............................................51
4.6.4 Intel
®
Smart 2D Display Technology (Intel
®
S2DDT)...................................51
4.7 Thermal Power Management ...............................................................................52
5 Thermal Management ..............................................................................................53
5.1 Thermal Design Power and Junction Temperature...................................................53
5.1.1 Intel Graphics Dynamic Frequency ............................................................53
5.1.2 Intel Graphics Dynamic Frequency Thermal Design Considerations and
Specifications .........................................................................................54
5.1.3 Idle Power Specifications .........................................................................56
5.1.4 Intelligent Power Sharing Control Overview ................................................57
5.1.5 Component Power Measurement/Estimation Error .......................................58
5.2 Thermal Management Features............................................................................58
5.2.1 Processor Core Thermal Features ..............................................................58
5.2.2 Integrated Graphics and Memory Controller Thermal Features ......................65
5.2.3 Platform Environment Control Interface (PECI) ...........................................68
6 Signal Description....................................................................................................70
6.1 System Memory Interface ...................................................................................71
6.2 Memory Reference and Compensation ..................................................................73
6.3 Reset and Miscellaneous Signals ..........................................................................74
6.4 PCI Express Graphics Interface Signals .................................................................75
6.5 Embedded DisplayPort (eDP)...............................................................................76
6.6 Intel Flexible Display Interface Signals..................................................................76