System Management BIOS (SMBIOS) Reference 6 …

1 1 Document Identifier: DSP0134 2 Date: 2018-04-26 3 Version: 4 System Management bios (SMBIOS) Reference 5 Specification 6 Supersedes: 7 Document Class: Normative 8 Document Status: Published 9 Document Language: en-US 10 11 System Management bios (SMBIOS) Reference Specification DSP0134 2 Published Version Copyright Notice 12 Copyright 2000, 2002, 2004 2016 Distributed Management Task Force, Inc. (DMTF). All rights 13 reserved. 14 DMTF is a not-for-profit association of industry members dedicated to promoting enterprise and systems 15 Management and interoperability. Members and non-members may reproduce DMTF specifications and 16 documents, provided that correct attribution is given. As DMTF specifications may be revised from time to 17 time, the particular version and release date should always be noted. 18 Implementation of certain elements of this standard or proposed standard may be subject to third party 19 patent rights, including provisional patent rights (herein "patent rights").

2 DMTF makes no representations 20 to users of the standard as to the existence of such rights, and is not responsible to recognize, disclose, 21 or identify any or all such third party patent right, owners or claimants, nor for any incomplete or 22 inaccurate identification or disclosure of such rights, owners or claimants. DMTF shall have no liability to 23 any party, in any manner or circumstance, under any legal theory whatsoever, for failure to recognize, 24 disclose, or identify any such third party patent rights, or for such party s reliance on the standard or 25 incorporation thereof in its product, protocols or testing procedures. DMTF shall have no liability to any 26 party implementing such standard, whether such implementation is foreseeable or not, nor to any patent 27 owner or claimant, and shall have no liability or responsibility for costs or losses incurred if a standard is 28 withdrawn or modified after publication, and shall be indemnified and held harmless by any party 29 implementing the standard from any and all claims of infringement by a patent owner for such 30 implementations.

3 31 For information about patents held by third-parties which have notified the DMTF that, in their opinion, 32 such patent may relate to or impact implementations of DMTF standards, visit 33 34 This document s normative language is English. Translation into other languages is permitted. 35 DSP0134 System Management bios (SMBIOS) Reference Specification Version Published 3 CONTENTS 36 Foreword .. 9 37 10 38 Document conventions .. 10 39 Typographical conventions .. 10 40 Document version number conventions .. 10 41 1 Scope .. 13 42 Supported processor architectures .. 13 43 2 Normative references .. 13 44 3 Terms and definitions .. 15 45 4 Symbols and abbreviated terms .. 15 46 5 Accessing SMBIOS information .. 21 47 General .. 21 48 Table convention .. 21 49 SMBIOS (32-bit) Entry Point .. 22 50 SMBIOS (64-bit) Entry Point .. 23 51 6 SMBIOS structures.

4 24 52 Structure standards .. 24 53 Structure evolution and usage guidelines .. 25 54 Structure header format .. 26 55 Text strings .. 26 56 Required structures and data .. 27 57 SMBIOS fields and CIM MOF properties .. 28 58 7 Structure definitions .. 29 59 bios Information (Type 0) .. 29 60 bios 31 61 bios Characteristics Extension 32 62 System Information (Type 1) .. 33 63 System UUID .. 34 64 System Wake-up Type .. 35 65 Baseboard (or Module) Information (Type 2) .. 35 66 Baseboard feature flags .. 36 67 Baseboard Board Type .. 37 68 System Enclosure or Chassis (Type 3) .. 37 69 System Enclosure or Chassis Types .. 39 70 System Enclosure or Chassis 40 71 System Enclosure or Chassis Security Status .. 41 72 System Enclosure or Chassis Contained 41 73 Processor Information (Type 4) .. 42 74 Processor Information Processor Type.

5 45 75 Processor Information Processor Family .. 46 76 Processor ID field format .. 52 77 Processor Information Voltage .. 52 78 Processor Information Processor Upgrade .. 53 79 Processor Information Core 55 80 Processor Information Core Enabled .. 55 81 Processor Information Thread Count .. 56 82 Processor Characteristics .. 56 83 Memory Controller Information (Type 5, Obsolete) .. 57 84 Memory Controller Error Detecting Method .. 58 85 Memory Controller Error Correcting Capability .. 58 86 Memory Controller Information Interleave Support .. 58 87 System Management bios (SMBIOS) Reference Specification DSP0134 4 Published Version Memory Controller Information Memory Speeds .. 59 88 Memory Module Information (Type 6, Obsolete) .. 59 89 Memory Module Information Memory Types .. 60 90 Memory Module Information Memory Size.

6 60 91 Memory subsystem example .. 61 92 Cache Information (Type 7) .. 63 93 Cache Information Maximum Cache Size and Installed Size .. 65 94 Cache Information SRAM Type .. 65 95 Cache Information Error Correction Type .. 66 96 Cache Information System Cache Type .. 66 97 Cache Information Associativity .. 66 98 Port Connector Information (Type 8) .. 67 99 Port Information example .. 68 100 Port Information Connector Types .. 68 101 Port Types .. 69 102 System Slots (Type 9).. 70 103 System Slots Slot Type .. 71 104 System Slots Slot Data Bus Width .. 73 105 System Slots Current Usage .. 74 106 System Slots Slot Length .. 74 107 System Slots Slot ID .. 74 108 Slot Characteristics 1 .. 75 109 Slot Characteristics 2 .. 75 110 Segment Group Number, Bus Number, Device/Function Number .. 76 111 Peer Devices .. 76 112 On Board Devices Information (Type 10, Obsolete).

7 76 113 Onboard Device Types .. 77 114 OEM Strings (Type 11) .. 77 115 System Configuration Options (Type 12).. 77 116 bios Language Information (Type 13) .. 78 117 Group Associations (Type 14) .. 79 118 System Event Log (Type 15) .. 80 119 Supported Event Log Type descriptors .. 83 120 Indexed I/O Access method .. 83 121 Access Method Address DWORD layout .. 84 122 Event Log organization .. 84 123 Log Header format .. 84 124 Log Record format .. 86 125 Physical Memory Array (Type 16) .. 90 126 Memory Array Location .. 91 127 Memory Array Use .. 92 128 Memory Array Error Correction Types .. 92 129 Memory Device (Type 17) .. 93 130 Memory Device Form Factor .. 97 131 Memory Device Type .. 97 132 Memory Device Type Detail .. 98 133 Memory Device Memory Speed .. 99 134 Memory Device Extended Size .. 99 135 Memory Device Memory 99 136 Memory Device Memory Operating Mode Capability.

8 100 137 Memory Device Module Manufacturer ID .. 100 138 Memory Device Module Product ID .. 100 139 Memory Device Memory Subsystem Controller Manufacturer ID .. 100 140 Memory Device Memory Subsystem Controller Product ID .. 101 141 Memory Device Volatile Size, Non-volatile Size, Cache Size .. 101 142 Memory Device Type Logical and Logical Size .. 102 143 DSP0134 System Management bios (SMBIOS) Reference Specification Version Published 5 32-Bit Memory Error Information (Type 18) .. 103 144 Memory Error Error Type .. 103 145 Memory Error Error Granularity .. 104 146 Memory Error Error Operation .. 104 147 Memory Array Mapped Address (Type 19).. 104 148 Memory Device Mapped Address (Type 20) .. 106 149 Built-in Pointing Device (Type 21) .. 107 150 Pointing Device Type .. 108 151 Pointing Device Interface .. 108 152 Portable Battery (Type 22).

9 109 153 Portable Battery Device Chemistry .. 110 154 System Reset (Type 23) .. 111 155 Hardware Security (Type 24) .. 112 156 System Power Controls (Type 25) .. 113 157 System Power Controls Calculating the Next Scheduled Power-on 114 158 Voltage Probe (Type 26) .. 114 159 Voltage Probe Location and 115 160 Cooling Device (Type 27) .. 115 161 Cooling Device Device Type and Status .. 116 162 Temperature Probe (Type 28) .. 117 163 Temperature Probe Location and Status .. 118 164 Electrical Current Probe (Type 29) .. 118 165 Current Probe Location and Status .. 119 166 Out-of-Band Remote Access (Type 30) .. 120 167 Boot Integrity Services (BIS) Entry Point (Type 31) .. 120 168 System Boot Information (Type 32) .. 120 169 System boot status .. 121 170 64-Bit Memory Error Information (Type 33) .. 122 171 Management Device (Type 34).

10 122 172 Management Device Type .. 123 173 Management Device Address Type .. 123 174 Management Device Component (Type 35) .. 124 175 Management Device Threshold Data (Type 36) .. 124 176 Memory Channel (Type 37) .. 125 177 Memory Channel Channel Type .. 125 178 IPMI Device Information (Type 38) .. 126 179 IPMI Device Information BMC Interface Type .. 127 180 System Power Supply (Type 39) .. 127 181 Power supply characteristics .. 129 182 Additional Information (Type 40) .. 129 183 Additional Information Entry format .. 130 184 Onboard Devices Extended Information (Type 41) .. 131 185 Reference Designation .. 132 186 Onboard Device Types .. 132 187 Device Type Instance .. 132 188 Segment Group Number, Bus Number, Device/Function Number .. 132 189 Management Controller Host Interface (Type 42) .. 132 190 Management Controller Host Interface - Interface Types.