Intel i5-2540M FF8062700839209 Manuale Utente

Codici prodotto

FF8062700839209

Datasheet

4.3.2

DRAM Power Management and Initialization ............................................... 49
4.3.2.1

Initialization Role of CKE............................................................ 49

4.3.2.2

Conditional Self-Refresh ............................................................ 50

4.3.2.3

Dynamic Power Down Operation ................................................. 50

4.3.2.4

DRAM I/O Power Management .................................................... 50

4.4

PCIe Power Management.................................................................................... 51

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

Thermal Management .............................................................................................. 53
5.1

Thermal Design Power and Junction Temperature .................................................. 53
5.1.1

Intel Turbo Boost Technology and Graphics Dynamic Frequency ................... 53

5.1.2

Intel Turbo Boost Technology and Graphics Dynamic Frequency

Thermal Design Considerations and Specifications ...................................... 54

5.1.3

Idle Power Specifications ......................................................................... 56

5.1.4

Intel Turbo Boost Technology Control Overview .......................................... 57

5.1.5

Component Power Measurement/Estimation Error....................................... 57

5.2

Thermal Management Features ........................................................................... 58
5.2.1

Processor Core Thermal Features ............................................................. 58
5.2.1.1

Adaptive Thermal Monitor .......................................................... 58

5.2.1.2

Digital Thermal Sensor .............................................................. 60

5.2.1.3

PROCHOT# Signal..................................................................... 61

5.2.1.4

On-Demand Mode ..................................................................... 62

5.2.1.5

THERMTRIP# Signal .................................................................. 63

5.2.1.6

Critical Temperature Detection ................................................... 63

5.2.2

Integrated Graphics and Memory Controller Thermal Features ...................... 63
5.2.2.1

Internal Digital Thermal Sensor .................................................. 63

5.2.2.2

Memory Thermal Throttling Options............................................. 65

5.2.2.3

External Thermal Sensor Interface Overview ................................ 65

5.2.2.4

THERMTRIP# Operation ............................................................. 66

5.2.2.5

Render Thermal Throttling ......................................................... 66

5.2.3

Platform Environment Control Interface (PECI)........................................... 66
5.2.3.1

Fan Speed Control with Digital Thermal Sensor ............................. 66

5.2.3.2

Processor Thermal Data Sample Rate and Filtering ........................ 67

Signal Description ................................................................................................... 68
6.1

System Memory Interface .................................................................................. 69

6.2

Memory Reference and Compensation.................................................................. 71

6.3

Reset and Miscellaneous Signals.......................................................................... 72

6.4

PCI Express Graphics Interface Signals................................................................. 73

6.5

Embedded DisplayPort (eDP) .............................................................................. 74

6.6

Intel Flexible Display Interface Signals ................................................................. 75

6.7

DMI................................................................................................................. 75

6.8

PLL Signals....................................................................................................... 76

6.9

TAP Signals ...................................................................................................... 76

Electrical Specifications ........................................................................................... 83