Datasheet

4 Datasheet
3 Technologies............................................................................................................36
3.1 Intel Graphics Dynamic Frequency .......................................................................36
4 Power Management .................................................................................................37
4.1 ACPI States Supported .......................................................................................37
4.1.1 System States........................................................................................37
4.1.2 Processor Core/Package Idle States...........................................................37
4.1.3 Integrated Memory Controller States.........................................................38
4.1.4 PCIe Link States .....................................................................................38
4.1.5 DMI States ............................................................................................38
4.1.6 Integrated Graphics Controller States........................................................38
4.1.7 Interface State Combinations ...................................................................39
4.2 Processor Core Power Management......................................................................39
4.2.1 Enhanced Intel SpeedStep® Technology....................................................40
4.2.2 Low-Power Idle States.............................................................................40
4.2.3 Requesting Low-Power Idle States ............................................................42
4.2.4 Core C-states.........................................................................................43
4.2.5 Package C-States ...................................................................................44
4.3 IMC Power Management .....................................................................................47
4.3.1 Disabling Unused System Memory Outputs.................................................48
4.3.2 DRAM Power Management and Initialization ...............................................48
4.4 PCIe Power Management ....................................................................................49
4.5 DMI Power Management.....................................................................................50
4.6 Integrated Graphics Power Management ...............................................................50
4.6.1 Intel
®
Display Power Saving Technology 5.0 (Intel
®
DPST 5.0).....................50
4.6.2 Graphics Render C-State .........................................................................50
4.6.3 Graphics Performance Modulation Technology.............................................50
4.6.4 Intel
®
Smart 2D Display Technology (Intel
®
S2DDT)...................................50
4.7 Thermal Power Management ...............................................................................51
5 Thermal Management ..............................................................................................52
5.1 Thermal Design Power and Junction Temperature...................................................52
5.1.1 Intel Graphics Dynamic Frequency ............................................................52
5.1.2 Intel Graphics Dynamic Frequency Thermal Design Considerations and
Specifications.........................................................................................53
5.1.3 Idle Power Specifications .........................................................................55
5.1.4 Intelligent Power Sharing Control Overview................................................56
5.1.5 Component Power Measurement/Estimation Error .......................................57
5.2 Thermal Management Features............................................................................57
5.2.1 Processor Core Thermal Features..............................................................57
5.2.2 Integrated Graphics and Memory Controller Thermal Features ......................64
5.2.3 Platform Environment Control Interface (PECI) ...........................................67
6 Signal Description....................................................................................................69
6.1 System Memory Interface...................................................................................70
6.2 Memory Reference and Compensation ..................................................................72
6.3 Reset and Miscellaneous Signals ..........................................................................73
6.4 PCI Express Graphics Interface Signals.................................................................74
6.5 Embedded DisplayPort (eDP)...............................................................................75
6.6 Intel Flexible Display Interface Signals..................................................................75
6.7 DMI .................................................................................................................76
6.8 PLL Signals .......................................................................................................76
6.9 TAP Signals.......................................................................................................77