82G33 datasheet(3/437 Pages) INTEL

3 / 437 page

Datasheet

Contents

Introduction ...................................................................................................19

1.1

Terminology ........................................................................................24

1.2

Reference Documents ...........................................................................26

1.3

(G)MCH Overview.................................................................................27

1.3.1

Host Interface.........................................................................27

1.3.2

System Memory Interface.........................................................28

1.3.3

Direct Media Interface (DMI).....................................................29

1.3.4

PCI Express* Interface.............................................................29

1.3.5

Graphics Features (Intel® 82Q35, 82Q33, 82G33 GMCH Only) .......30

1.3.6

SDVO and Analog Display Features (Intel® 82Q35, 82Q33,

82G33 GMCH Only) .................................................................30

1.3.7

(G)MCH Clocking.....................................................................31

1.3.8

Thermal Sensor ......................................................................31

1.3.9

Power Management .................................................................32

1.3.10

Intel® Active Management Technology (Intel® AMT)/ Controller

Link (Intel® 82Q35 GMCH Only) ................................................32

1.3.11

Intel® Trusted Execution Technology (Intel® 82Q35 GMCH Only) ....33

1.3.12

Intel® Virtualization Technology for Directed I/O (Intel® VT-d)

(Intel® 82Q35 GMCH Only) .......................................................33

Signal Description ...........................................................................................35

2.1

Host Interface Signals...........................................................................36

2.2

System Memory (DDR2/DDR3) Channel A Interface Signals........................40

2.3

System Memory (DDR2/DDR3) Channel B Interface Signals........................41

2.4

System Memory DDR2/DDR3 Miscellaneous Signals ..................................42

2.5

PCI Express* Interface Signals ...............................................................43

2.6

Controller Link Interface Signals .............................................................43

2.7

Analog Display Signals (Intel® 82Q33, GMCH, 82Q33 GMCH, and 82G33

GMCH Only) ........................................................................................44

2.8

Clocks, Reset, and Miscellaneous ............................................................45

2.9

Direct Media Interface...........................................................................46

2.10

Serial DVO Interface (Intel® 82Q35, 82Q33, 82G33 GMCH Only).................47

2.11

Power and Grounds ..............................................................................50

System Address Map .......................................................................................51

3.1

Legacy Address Range ..........................................................................55

3.1.1

DOS Range (0h – 9_FFFFh).......................................................56

3.1.2

Legacy Video Area (A_0000h – B_FFFFh) ....................................56

3.1.3

Expansion Area (C_0000h – D_FFFFh)........................................57

3.1.4

Extended System BIOS Area (E_0000h-E_FFFFh).........................57

3.1.5

System BIOS Area (F_0000h-F_FFFFh).......................................58

3.1.6

PAM Memory Area Details.........................................................58

3.2

Main Memory Address Range (1MB – TOLUD) ...........................................59

3.2.1

ISA Hole (15 MB-16 MB) ..........................................................60

3.2.2

TSEG.....................................................................................60

3.2.3

Pre-allocated Memory ..............................................................60

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