Intel B940 manuals

Intel B940 Datasheet (360 pages)

Brand: Intel | Category: Processors | Size: 1.90 MB |

English

Table of contents

Datasheet – Volume 2

1

Legal Lines and Disclaimers

2

Contents

3

4 Datasheet, Volume 2

4

Datasheet, Volume 2 5

5

6 Datasheet, Volume 2

6

Datasheet, Volume 2 7

7

8 Datasheet, Volume 2

8

Datasheet, Volume 2 9

9

10 Datasheet, Volume 2

10

Datasheet, Volume 2 11

11

Revision History

12

1 Introduction

13

Introduction

14

2 Processor Configuration

15

2.2 System Address Map

17

18 Datasheet, Volume 2

18

2.2.1 Legacy Address Range

19

Datasheet, Volume 2 21

21

2.2.2.2 TSEG

22

2.2.2.5 Pre-allocated Memory

23

2.2.2.7 Intel

24

Management Engine (Intel

24

ME) UMA

24

Datasheet, Volume 2 25

25

2.2.2.10 High BIOS Area

26

Datasheet, Volume 2 27

27

2.2.3.1 Programming Model

28

HOST/SYSTEM VIEW

29

PHYSICAL MEMORY

29

(DRAM CONTROLLER VIEW)

29

Datasheet, Volume 2 33

33

34 Datasheet, Volume 2

34

2.2.9 I/O Address Space

35

36 Datasheet, Volume 2

36

Datasheet, Volume 2 37

37

2.4 Configuration Mechanisms

38

Datasheet, Volume 2 39

39

40 Datasheet, Volume 2

40

Datasheet, Volume 2 41

41

42 Datasheet, Volume 2

42

Datasheet, Volume 2 43

43

2.6 I/O Mapped Registers

44

2.7.6 CC—Class Code Register

49

TXT Lockable

54

1:0 to 11b

56

4) from

58

B0h, bits 15:4)

58

2.8 MCHBAR Registers

66

00h RW

67

Register Symbol Register Name

67

208–209h

73

20A–20Bh

74

24D–24Fh

74

250-251h

75

252–255h

76

256–257h

77

258–25Ah

77

269–26Eh

79

298–29Bh

82

29C–29Fh

84

2B4–2B7h

84

600–601h

86

602–603h

86

604–605h

86

64D–64Fh

88

650–651h

88

652–655h

89

656–657h

90

658–65Ah

90

660–663h

91

6B4–6B7h

93

C20–C27h

94

1001–1002h

94

1004–1005h

95

101E–101Fh

100

Register

107

10EC–10EDh

108

2C20–2C22h

109

2.9 EPBAR Registers

110

2.10 PCI Device 1 Registers

115

PCI device

117

Port Command Register

140

11:10 RW-O 11b

143

OS's during run time

155

104–107h

156

108–10Bh

157

10C–10Dh

157

110–113h

158

23 RO 0b Reserved

158

114–117h

158

11A–11Bh

159

2.12 DMIBAR Registers

161

Declaration Capability

169

2.13.6 CC—Class Code Register

177

Range Address Register

179

GMADR register

180

2.14 Device 2 I/O Registers

183

100–107h

211

108–10Fh

212

200–20Fh

214

F00–F03h

215

F04–F07h

216

Dedication

217

F08–F0Bh

218

FFC–FFFh

219

2.16 DMI VC1 REMAP Registers

221

2.17.2 GFXPLL1—GFX PLL BIOS

254

2.18 GFXVTBAR Registers

255

Address Register

281

2.19 PCI Device 6 Registers

288

2.19.45 RSTS—Root Status

327

2.21 Intel

332

Specific Registers

332

110–117h

333

330–337h

333

Lower Half Register

334

Upper Half Register

334

QuickPath Architecture

335

System Address Decode

335

Register Description

335

QPI Link 0 Registers

340

QPI Physical 0 Registers

341

3.4 PCI Standard Registers

342

3.4.4 CCR—Class Code Register

344

Identification Register

345

3.4.7 PCICMD—Command Register

346

3.5.1 MAX_RTIDS

349

3.6.1 SAD_PAM0123

349

3.6.2 SAD_PAM456

351

3.6.3 SAD_HEN

352

3.6.4 SAD_SMRAM

353

3.6.5 SAD_PCIEXBAR

354

3.7 Intel

356

QPI Link Registers

356

3.8 Intel

357

QPI Physical Layer Registers

357

360 Datasheet, Volume 2

360

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