UEFI-SMBIOS-v3.4.0规范_SMBIOSType0

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Document Identifier: DSP0134

Date: 2020-07-17

Version: 3.4.0

System Management BIOS (SMBIOS) Reference

Specification

Supersedes: 3.3.0

Document Class: Normative

Document Status: Published

Document Language: en-US

System Management BIOS (SMBIOS) Reference Specification DSP0134

2 Published Version 3.4.0

DMTF is a not-for-profit association of industry members dedicated to promoting enterprise and systems

management and interoperability. Members and non-members may reproduce DMTF specifications and

documents, provided that correct attribution is given. As DMTF specifications may be revised from time to

time, the particular version and release date should always be noted.

Implementation of certain elements of this standard or proposed standard may be subject to third party

patent rights, including provisional patent rights (herein "patent rights"). DMTF makes no representations

to users of the standard as to the existence of such rights, and is not responsible to recognize, disclose,

or identify any or all such third party patent right, owners or claimants, nor for any incomplete or

inaccurate identification or disclosure of such rights, owners or claimants. DMTF shall have no liability to

any party, in any manner or circumstance, under any legal theory whatsoever, for failure to recognize,

disclose, or identify any such third party patent rights, or for such party’s reliance on the standard or

incorporation thereof in its product, protocols or testing procedures. DMTF shall have no liability to any

party implementing such standard, whether such implementation is foreseeable or not, nor to any patent

owner or claimant, and shall have no liability or responsibility for costs or losses incurred if a standard is

withdrawn or modified after publication, and shall be indemnified and held harmless by any party

implementing the standard from any and all claims of infringement by a patent owner for such

implementations.

For information about patents held by third-parties which have notified the DMTF that, in their opinion,

such patent may relate to or impact implementations of DMTF standards, visit

http://www.dmtf.org/about/policies/disclosures.php.

This document’s normative language is English. Translation into other languages is permitted.

DSP0134 System Management BIOS (SMBIOS) Reference Specification

Version 3.4.0 Published 3

CONTENTS

Foreword ..................................................................................................................................................... 10

Introduction.................................................................................................................................................. 11

Document conventions ........................................................................................................................ 11

Typographical conventions ....................................................................................................... 11

Document version number conventions ................................................................................... 11

1 Scope .................................................................................................................................................. 15

1.1 Supported processor architectures ........................................................................................... 15

2 Normative references .......................................................................................................................... 15

3 Terms and definitions .......................................................................................................................... 17

4 Symbols and abbreviated terms .......................................................................................................... 18

5 Accessing SMBIOS information .......................................................................................................... 24

5.1 General ..................................................................................................................................... 24

5.2 Table convention ....................................................................................................................... 24

5.2.1 SMBIOS 2.1 (32-bit) Entry Point .................................................................................. 24

5.2.2 SMBIOS 3.0 (64-bit) Entry Point .................................................................................. 26

6 SMBIOS structures .............................................................................................................................. 27

6.1 Structure standards ................................................................................................................... 27

6.1.1 Structure evolution and usage guidelines .................................................................... 28

6.1.2 Structure header format ............................................................................................... 29

6.1.3 Text strings .................................................................................................................. 29

6.2 Required structures and data ................................................................................................... 30

6.3 SMBIOS fields and CIM MOF properties .................................................................................. 31

7 Structure definitions ............................................................................................................................. 32

7.1 BIOS Information (Type 0) ........................................................................................................ 32

7.1.1 BIOS Characteristics.................................................................................................... 34

7.1.2 BIOS Characteristics Extension Bytes......................................................................... 35

7.2 System Information (Type 1) .................................................................................................... 36

7.2.1 System — UUID ........................................................................................................... 37

7.2.2 System — Wake-up Type ............................................................................................ 38

7.3 Baseboard (or Module) Information (Type 2) ........................................................................... 38

7.3.1 Baseboard — feature flags .......................................................................................... 39

7.3.2 Baseboard — Board Type ........................................................................................... 40

7.4 System Enclosure or Chassis (Type 3) .................................................................................... 40

7.4.1 System Enclosure or Chassis Types ........................................................................... 42

7.4.2 System Enclosure or Chassis States........................................................................... 43

7.4.3 System Enclosure or Chassis Security Status ............................................................ 44

7.4.4 System Enclosure or Chassis — Contained Elements................................................ 44

7.5 Processor Information (Type 4) ................................................................................................ 45

7.5.1 Processor Information — Processor Type ................................................................... 48

7.5.2 Processor Information — Processor Family ................................................................ 49

7.5.3 Processor ID field format ............................................................................................. 55

7.5.4 Processor Information — Voltage ................................................................................ 56

7.5.5 Processor Information — Processor Upgrade ............................................................. 56

7.5.6 Processor Information — Core Count.......................................................................... 58

7.5.7 Processor Information — Core Enabled ...................................................................... 59

7.5.8 Processor Information — Thread Count ...................................................................... 59

7.5.9 Processor Characteristics ............................................................................................ 59

7.6 Memory Controller Information (Type 5, Obsolete) .................................................................. 60

7.6.1 Memory Controller Error Detecting Method ................................................................. 61

7.6.2 Memory Controller Error Correcting Capability ............................................................ 62

7.6.3 Memory Controller Information — Interleave Support ................................................. 62

System Management BIOS (SMBIOS) Reference Specification DSP0134

4 Published Version 3.4.0

7.6.4 Memory Controller Information — Memory Speeds .................................................... 62

7.7 Memory Module Information (Type 6, Obsolete) ...................................................................... 63

7.7.1 Memory Module Information — Memory Types .......................................................... 64

7.7.2 Memory Module Information — Memory Size ............................................................. 64

7.7.3 Memory subsystem example ....................................................................................... 65

7.8 Cache Information (Type 7) ...................................................................................................... 66

7.8.1 Cache Information — Maximum Cache Size and Installed Size ................................. 68

7.8.2 Cache Information — SRAM Type .............................................................................. 68

7.8.3 Cache Information — Error Correction Type ............................................................... 69

7.8.4 Cache Information — System Cache Type ................................................................. 69

7.8.5 Cache Information — Associativity .............................................................................. 69

7.9 Port Connector Information (Type 8) ........................................................................................ 70

7.9.1 Port Information example ............................................................................................. 71

7.9.2 Port Information — Connector Types .......................................................................... 71

100

7.9.3 Port Types .................................................................................................................... 72

101

7.10 System Slots (Type 9)............................................................................................................... 73

102

7.10.1 System Slots — Slot Type ........................................................................................... 74

103

7.10.2 System Slots — Slot Data Bus Width .......................................................................... 77

104

7.10.3 System Slots — Current Usage ................................................................................... 78

105

7.10.4 System Slots — Slot Length ........................................................................................ 78

106

7.10.5 System Slots — Slot ID ............................................................................................... 79

107

7.10.6 Slot Characteristics 1 ................................................................................................... 79

108

7.10.7 Slot Characteristics 2 ................................................................................................... 79

109

7.10.8 Segment Group Number, Bus Number, Device/Function Number .............................. 80

110

7.10.9 Peer Devices ................................................................................................................ 80

111

7.10.10 System Slots - Slot Information ................................................................................... 81

112

7.10.11 System Slots - Slot Physical Width .............................................................................. 81

113

7.10.12 System Slots - Slot Pitch ............................................................................................. 81

114

7.11 On Board Devices Information (Type 10, Obsolete) ................................................................. 81

115

7.11.1 Onboard Device Types ................................................................................................ 82

116

7.12 OEM Strings (Type 11) ............................................................................................................. 82

117

7.13 System Configuration Options (Type 12).................................................................................. 83

118

7.14 BIOS Language Information (Type 13) ..................................................................................... 83

119

7.15 Group Associations (Type 14) .................................................................................................. 84

120

7.16 System Event Log (Type 15) .................................................................................................... 86

121

7.16.1 Supported Event Log Type descriptors ....................................................................... 88

122

7.16.2 Indexed I/O Access method ......................................................................................... 88

123

7.16.3 Access Method Address — DWORD layout ................................................................ 89

124

7.16.4 Event Log organization ................................................................................................ 89

125

7.16.5 Log Header format ....................................................................................................... 90

126

7.16.6 Log Record format ....................................................................................................... 91

127

7.17 Physical Memory Array (Type 16) ............................................................................................ 96

128

7.17.1 Memory Array — Location ........................................................................................... 97

129

7.17.2 Memory Array — Use .................................................................................................. 97

130

7.17.3 Memory Array — Error Correction Types .................................................................... 98

131

7.18 Memory Device (Type 17) ........................................................................................................ 98

132

7.18.1 Memory Device — Form Factor ................................................................................. 102

133

7.18.2 Memory Device — Type ............................................................................................ 103

134

7.18.3 Memory Device — Type Detail .................................................................................. 104

135

7.18.4 Memory Device — Memory Speed ............................................................................ 104

136

7.18.5 Memory Device — Extended Size ............................................................................. 105

137

7.18.6 Memory Device — Memory Technology.................................................................... 105

138

7.18.7 Memory Device — Memory Operating Mode Capability ........................................... 105

139

7.18.8 Memory Device — Module Manufacturer ID ............................................................. 105

140

7.18.9 Memory Device — Module Product ID ...................................................................... 106

141

7.18.10 Memory Device — Memory Subsystem Controller Manufacturer ID ......................... 106

142

DSP0134 System Management BIOS (SMBIOS) Reference Specification

Version 3.4.0 Published 5

7.18.11 Memory Device — Memory Subsystem Controller Product ID ................................. 106

143

7.18.12 Memory Device — Volatile Size, Non-volatile Size, Cache Size ............................... 106

144

7.18.13 Memory Device – Type Logical and Logical Size ...................................................... 107

145

7.18.14 Memory Device – Extended Speed ........................................................................... 108

146

7.19 32-Bit Memory Error Information (Type 18) ............................................................................ 108

147

7.19.1 Memory Error — Error Type ...................................................................................... 109

148

7.19.2 Memory Error — Error Granularity ............................................................................. 109

149

7.19.3 Memory Error — Error Operation .............................................................................. 110

150

7.20 Memory Array Mapped Address (Type 19)............................................................................. 110

151

7.21 Memory Device Mapped Address (Type 20) .......................................................................... 111

152

7.22 Built-in Pointing Device (Type 21) .......................................................................................... 113

153

7.22.1 Pointing Device — Type ............................................................................................ 113

154

7.22.2 Pointing Device — Interface ...................................................................................... 114

155

7.23 Portable Battery (Type 22) ...................................................................................................... 114

156

7.23.1 Portable Battery — Device Chemistry ....................................................................... 116

157

7.24 System Reset (Type 23) ......................................................................................................... 116

158

7.25 Hardware Security (Type 24) .................................................................................................. 117

159

7.26 System Power Controls (Type 25) .......................................................................................... 118

160

7.26.1 System Power Controls — Calculating the Next Scheduled Power-on Time............ 119

161

7.27 Voltage Probe (Type 26) ......................................................................................................... 119

162

7.27.1 Voltage Probe — Location and Status....................................................................... 120

163

7.28 Cooling Device (Type 27) ....................................................................................................... 121

164

7.28.1 Cooling Device — Device Type and Status ............................................................... 121

165

7.29 Temperature Probe (Type 28) ................................................................................................ 122

166

7.29.1 Temperature Probe — Location and Status .............................................................. 123

167

7.30 Electrical Current Probe (Type 29) ......................................................................................... 124

168

7.30.1 Current Probe — Location and Status ....................................................................... 124

169

7.31 Out-of-Band Remote Access (Type 30) .................................................................................. 125

170

7.32 Boot Integrity Services (BIS) Entry Point (Type 31) ............................................................... 126

171

7.33 System Boot Information (Type 32) ........................................................................................ 126

172

7.33.1 System boot status .................................................................................................... 126

173

7.34 64-Bit Memory Error Information (Type 33) ............................................................................ 127

174

7.35 Management Device (Type 34) .............................................................................................. 128

175

7.35.1 Management Device — Type .................................................................................... 128

176

7.35.2 Management Device — Address Type ...................................................................... 129

177

7.36 Management Device Component (Type 35) ........................................................................... 129

178

7.37 Management Device Threshold Data (Type 36) ..................................................................... 130

179

7.38 Memory Channel (Type 37) .................................................................................................... 130

180

7.38.1 Memory Channel — Channel Type ........................................................................... 131

181

7.39 IPMI Device Information (Type 38) ......................................................................................... 131

182

7.39.1 IPMI Device Information — BMC Interface Type ....................................................... 133

183

7.40 System Power Supply (Type 39) ............................................................................................ 133

184

7.40.1 Power supply characteristics ..................................................................................... 135

185

7.41 Additional Information (Type 40) ............................................................................................. 135

186

7.41.1 Additional Information Entry format ........................................................................... 136

187

7.42 Onboard Devices Extended Information (Type 41) ................................................................ 137

188

7.42.1 Reference Designation .............................................................................................. 138

189

7.42.2 Onboard Device Types .............................................................................................. 138

190

7.42.3 Device Type Instance ................................................................................................ 138

191

7.42.4 Segment Group Number, Bus Number, Device/Function Number ............................ 138

192

7.43 Management Controller Host Interface (Type 42) .................................................................. 138

193

7.43.1 Management Controller Host Interface - Interface Types ......................................... 139

194

7.43.2 Management Controller Host Interface - Protocol Types .......................................... 140

195

7.44 TPM Device (Type 43) ............................................................................................................ 141

196

7.44.1 TPM Device Characteristics ...................................................................................... 141

197

7.45 Processor Additional Information (Type 44) ........................................................................... 142

198

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