Specification Sheet
Datasheet, Volume 1 of 2 5
4.2.5 Package C-States ................................................................................... 69
4.2.6 Package C-States and Display Resolutions ................................................. 72
4.3 Integrated Memory Controller (IMC) Power Management ........................................ 72
4.3.1 Disabling Unused System Memory Outputs ................................................ 72
4.3.2 DRAM Power Management and Initialization ............................................... 73
4.3.2.1 Initialization Role of CKE ............................................................ 74
4.3.2.2 Conditional Self-Refresh............................................................. 74
4.3.2.3 Dynamic Power-Down................................................................ 75
4.3.2.4 DRAM I/O Power Management .................................................... 75
4.3.3 DDR Electrical Power Gating (EPG) ........................................................... 75
4.3.4 Power Training....................................................................................... 75
4.4 PCI Express* Power Management ........................................................................ 76
4.5 Direct Media Interface (DMI) Power Management .................................................. 76
4.6 Processor Graphics Power Management ................................................................ 76
4.6.1 Memory Power Savings Technologies ........................................................ 76
4.6.1.1 Intel
®
Rapid Memory Power Management (Intel
®
RMPM) ............... 76
4.6.1.2 Intel
®
Smart 2D Display Technology (Intel
®
S2DDT)..................... 76
4.6.2 Display Power Savings Technologies ......................................................... 77
4.6.2.1 Intel
®
(Seamless & Static) Display Refresh Rate Switching
(DRRS) with eDP* Port .............................................................. 77
4.6.2.2 Intel
®
Automatic Display Brightness............................................ 77
4.6.2.3 Smooth Brightness.................................................................... 77
4.6.2.4 Intel
®
Display Power Saving Technology (Intel
®
DPST) 6.0 ............ 77
4.6.2.5 Panel Self-Refresh 2 (PSR 2) ...................................................... 78
4.6.2.6 Low-Power Single Pipe (LPSP) .................................................... 78
4.6.3 Processor Graphics Core Power Savings Technologies .................................. 78
4.6.3.1 Intel
®
Graphics Dynamic Frequency ............................................ 78
4.6.3.2 Intel
®
Graphics Render Standby Technology (Intel
®
GRST) ............ 78
4.6.3.3 Dynamic FPS (DFPS) ................................................................. 79
4.7 Voltage Optimization.......................................................................................... 79
5 Thermal Management .............................................................................................. 80
5.1 Processor Thermal Management .......................................................................... 80
5.1.1 Thermal Considerations........................................................................... 80
5.1.2 Intel
®
Turbo Boost Technology 2.0 Power Monitoring .................................. 81
5.1.3 Intel
®
Turbo Boost Technology 2.0 Power Control ....................................... 81
5.1.3.1 Package Power Control .............................................................. 81
5.1.3.2 Platform Power Control .............................................................. 82
5.1.3.3 Turbo Time Parameter (Tau) ...................................................... 83
5.1.4 Configurable TDP (cTDP) and Low-Power Mode........................................... 83
5.1.4.1 Configurable TDP ...................................................................... 83
5.1.4.2 Low-Power Mode ...................................................................... 84
5.1.5 Thermal Management Features ................................................................ 84
5.1.5.1 Adaptive Thermal Monitor .......................................................... 85
5.1.5.2 Digital Thermal Sensor .............................................................. 87
5.1.5.3 PROCHOT# Signal..................................................................... 88
5.1.5.4 Bi-Directional PROCHOT# .......................................................... 88
5.1.5.5 Voltage Regulator Protection using PROCHOT# ............................. 88
5.1.5.6 Thermal Solution Design and PROCHOT# Behavior ........................ 89
5.1.5.7 Low-Power States and PROCHOT# Behavior ................................. 89
5.1.5.8 THERMTRIP# Signal .................................................................. 89
5.1.5.9 Critical Temperature Detection ................................................... 89
5.1.5.10 On-Demand Mode ..................................................................... 89
5.1.5.11 MSR Based On-Demand Mode..................................................... 90
5.1.5.12 I/O Emulation-Based On-Demand Mode ....................................... 90
5.1.6 Intel
®
Memory Thermal Management........................................................ 90
5.2 All-Processor Line Thermal and Power Specifications .............................................. 91