Intel i5-2500 BX80623I52500 User Manual

Product codes

BX80623I52500

Datasheet, Volume 1

2.4.1.2

3D Pipeline ...............................................................................29

2.4.1.3

Video Engine ............................................................................30

2.4.1.4

2D Engine ................................................................................30

2.4.2

Processor Graphics Display ......................................................................31
2.4.2.1

Display Planes ..........................................................................31

2.4.2.2

Display Pipes ............................................................................32

2.4.2.3

Display Ports ............................................................................32

2.4.3

Intel Flexible Display Interface..................................................................32

2.4.4

Multi-Graphics Controller Multi-Monitor Support ..........................................32

2.5

Platform Environment Control Interface (PECI) ......................................................33

2.6

Interface Clocking..............................................................................................33
2.6.1

Internal Clocking Requirements ................................................................33

Technologies............................................................................................................35
3.1

Intel

Virtualization Technology ..........................................................................35

3.1.1

Intel

VT-x Objectives ............................................................................35

3.1.2

Intel

VT-x Features ...............................................................................36

3.1.3

Intel

VT-d Objectives ............................................................................36

3.1.4

Intel

VT-d Features...............................................................................37

3.1.5

Intel

VT-d Features Not Supported..........................................................37

3.2

Intel

Trusted Execution Technology (Intel

TXT) .................................................38

3.3

Intel

Hyper-Threading Technology .....................................................................38

3.4

Intel

Turbo Boost Technology ............................................................................39

3.4.1

Intel

Turbo Boost Technology Frequency..................................................39

3.4.2

Intel

Turbo Boost Technology Graphics Frequency.....................................39

3.5

Intel

Advanced Vector Extensions (AVX) .............................................................40

3.6

Advanced Encryption Standard New Instructions (AES-NI) ......................................40
3.6.1

PCLMULQDQ Instruction ..........................................................................40

3.7

Intel

64 Architecture x2APIC .............................................................................41

Power Management .................................................................................................43
4.1

ACPI States Supported .......................................................................................43
4.1.1

System States........................................................................................43

4.1.2

Processor Core/Package Idle States...........................................................43

4.1.3

Integrated Memory Controller States .........................................................44

4.1.4

PCIe Link States .....................................................................................44

4.1.5

DMI States ............................................................................................44

4.1.6

Processor Graphics Controller States .........................................................44

4.1.7

Interface State Combinations ...................................................................45

4.2

Processor Core Power Management ......................................................................45
4.2.1

Enhanced Intel

SpeedStep

Technology ..................................................45

4.2.2

Low-Power Idle States.............................................................................46

4.2.3

Requesting Low-Power Idle States ............................................................47

4.2.4

Core C-states .........................................................................................48
4.2.4.1

Core C0 State ...........................................................................48

4.2.4.2

Core C1/C1E State ....................................................................48

4.2.4.3

Core C3 State ...........................................................................48

4.2.4.4

Core C6 State ...........................................................................48

4.2.4.5

C-State Auto-Demotion ..............................................................48

4.2.5

Package C-States ...................................................................................49
4.2.5.1

Package C0 ..............................................................................50

4.2.5.2

Package C1/C1E........................................................................51

4.2.5.3

Package C3 State ......................................................................51

4.2.5.4

Package C6 State ......................................................................51

4.3

IMC Power Management .....................................................................................52
4.3.1

Disabling Unused System Memory Outputs.................................................52

4.3.2

DRAM Power Management and Initialization ...............................................52