Intel D15343-003 manuels

Intel D15343-003 Manuel d'utilisateur (166 pages)

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Table des matières

82854 Graphics Memory

1

Controller Hub (GMCH)

1

2 D15343-003

2

Contents

3

Revision History

9

10 D15343-003

10

1.0 Introduction

11

• 3D graphics engine

14

1.2 Terminology

17

1.3 Reference Documents

19

2.0 Intel

21

82854 GMCH Overview

21

2.2 Processor Host Interface

22

2.4 Graphics Features

23

2.5 Display Features

23

2.6 Hub Interface

24

2.7 Address Decode Policies

24

2.8 GMCH Clocking

25

2.9 System Interrupts

26

3.0 Signal Description

27

3.1 Host Interface Signals

28

Signal Description

29

D15343-003 29

29

3.2 DDR SDRAM Interface

31

3.3 Hub Interface Signals

32

3.4 Clocks

33

D15343-003 35

35

(DVOB) Port

35

3.5.3 Analog CRT Display

37

D15343-003 39

39

4.0 Register Description

41

4.5 Register Definitions

44

4.6 I/O Mapped Registers

45

Configuration Data Window

47

4.7 VGA I/O Mapped Registers

48

(Device #0, Function #0)

49

4.8.4 PCI Status Register

53

D15343-003 59

59

PAM0[3:0]

63

D15343-003 65

65

Space that is above 1 MB

65

D15343-003 71

71

D15343-003 75

75

D15343-003 81

81

(Device #0)

83

D15343-003 85

85

D15343-003 87

87

D15343-003 89

89

D15343-003 91

91

#0, Function #3)

92

D15343-003 93

93

D15343-003 95

95

Table 24. Intel

99

Graphics Mode

99

4.11 Intel

100

(Device #2, Function #0)

100

Default Value:

101

D15343-003

102

Register Description

105

D15343-003 105

105

D15343-003 107

107

D15343-003 109

109

5.0 Intel

111

5.2 DOS Compatibility Area

112

DOS Area (000000h-09FFFFh)

113

5.4.1 15 MB-16 MB Window

115

5.4.4 System Memory Shadowing

119

5.4.5 I/O Address Space

119

6.0 Functional Description

123

6.3 System Memory Interface

124

6.4.2.1 Setup Engine

127

6.4.2.10 Texture Chromakey

129

6.4.2.11 Anti-Aliasing

129

6.4.3 Raster Engine

130

6.4.3.1 Texture Map Blending

131

6.4.3.3 Color Shading Modes

131

6.4.3.4 Color Dithering

131

6.4.4 2D Engine

133

• Data alignment

133

6.4.5 Planes and Engines

134

6.4.7 Overlay Plane

135

6.4.8 Video Functionality

137

• MPEG-2 support

137

• H.263 support

137

6.5.1.1 ARIB Support

139

6.5.2 Blend Function

141

6.5.5.1 Integrated RAMDAC

145

7.3 Internal Thermal Sensor

149

7.4.1 Usage

150

8.0 Intel

151

82854 GMCH Strap Pins

151

Figure 12. Intel

153

9.1 VCC/VSS Voltage Groups

154

Table 36. Ballout Table

155

D15343-003 157

157

D15343-003 159

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D15343-003 161

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D15343-003 163

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Figure 14. Intel

165

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