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System Management BIOS (SMBIOS) Reference 6 Specification 7 Supersedes: 3.1.1 8 Document Class: Normative 9 Document Status: Published 10 Document Language: en-US 11System Management BIOS (SMBIOS) Reference Specification DSP0134 2 Published Version 3.2.0 12 Copyright Notice 13 Copyright © 2000, 2002, 2004–2016 Distributed Management Task Force, Inc. (DMTF). All rights 14 reserved. 15 DMTF is a not-for-profit association of industry members dedicated to promoting enterprise and systems 16 management and interoperability. Members and non-members may reproduce DMTF specifications and 17 documents, provided that correct attribution is given. As DMTF specifications may be revised from time to 18 time, the particular version and release date should always be noted. 19 Implementation of certain elements of this standard or proposed standard may be subject to third party 20 patent rights, including provisional patent rights (herein "patent rights"). DMTF makes no representations 21 to users of the standard as to the existence of such rights, and is not responsible to recognize, disclose, 22 or identify any or all such third party patent right, owners or claimants, nor for any incomplete or 23 inaccurate identification or disclosure of such rights, owners or claimants. DMTF shall have no liability to 24 any party, in any manner or circumstance, under any legal theory whatsoever, for failure to recognize, 25 disclose, or identify any such third party patent rights, or for such party’s reliance on the standard or 26 incorporation thereof in its product, protocols or testing procedures. DMTF shall have no liability to any 27 party implementing such standard, whether such implementation is foreseeable or not, nor to any patent 28 owner or claimant, and shall have no liability or responsibility for costs or losses incurred if a standard is 29 withdrawn or modified after publication, and shall be indemnified and held harmless by any party 30 implementing the standard from any and all claims of infringement by a patent owner for such 31 implementations. 32 For information about patents held by third-parties which have notified the DMTF that, in their opinion, 33 such patent may relate to or impact implementations of DMTF standards, visit 34 http://www.dmtf.org/about/policies/disclosures.php. 35 This document’s normative language is English. Translation into other languages is permitted.DSP0134 System Management BIOS (SMBIOS) Reference Specification Version 3.2.0 Published 3 36 CONTENTS 37 Foreword ....................................................................................................................................................... 9 38 Introduction.................................................................................................................................................. 10 39 Document conventions........................................................................................................................ 10 40 Typographical conventions ....................................................................................................... 10 41 Document version number conventions ................................................................................... 10 42 1 Scope .................................................................................................................................................. 13 43 1.1 Supported processor architectures........................................................................................... 13 44 2 Normative references .......................................................................................................................... 13 45 3 Terms and definitions .......................................................................................................................... 15 46 4 Symbols and abbreviated terms.......................................................................................................... 15 47 5 Accessing SMBIOS information .......................................................................................................... 21 48 5.1 General ..................................................................................................................................... 21 49 5.2 Table convention....................................................................................................................... 21 50 5.2.1 SMBIOS 2.1 (32-bit) Entry Point.................................................................................. 22 51 5.2.2 SMBIOS 3.0 (64-bit) Entry Point.................................................................................. 23 52 6 SMBIOS structures.............................................................................................................................. 24 53 6.1 Structure standards................................................................................................................... 24 54 6.1.1 Structure evolution and usage guidelines.................................................................... 25 55 6.1.2 Structure header format............................................................................................... 26 56 6.1.3 Text strings .................................................................................................................. 26 57 6.2 Required structures and data ................................................................................................... 27 58 6.3 SMBIOS fields and CIM MOF properties.................................................................................. 28 59 7 Structure definitions............................................................................................................................. 29 60 7.1 BIOS Information (Type 0)........................................................................................................ 29 61 7.1.1 BIOS Characteristics.................................................................................................... 31 62 7.1.2 BIOS Characteristics Extension Bytes......................................................................... 32 63 7.2 System Information (Type 1) .................................................................................................... 33 64 7.2.1 System — UUID........................................................................................................... 34 65 7.2.2 System — Wake-up Type............................................................................................ 35 66 7.3 Baseboard (or Module) Information (Type 2) ........................................................................... 35 67 7.3.1 Baseboard — feature flags .......................................................................................... 36 68 7.3.2 Baseboard — Board Type ........................................................................................... 37 69 7.4 System Enclosure or Chassis (Type 3) .................................................................................... 37 70 7.4.1 System Enclosure or Chassis Types........................................................................... 39 71 7.4.2 System Enclosure or Chassis States........................................................................... 40 72 7.4.3 System Enclosure or Chassis Security Status ............................................................ 41 73 7.4.4 System Enclosure or Chassis — Contained Elements................................................ 41 74 7.5 Processor Information (Type 4) ................................................................................................ 42 75 7.5.1 Processor Information — Processor Type................................................................... 45 76 7.5.2 Processor Information — Processor Family ................................................................ 46 77 7.5.3 Processor ID field format ............................................................................................. 52 78 7.5.4 Processor Information — Voltage................................................................................ 52 79 7.5.5 Processor Information — Processor Upgrade............................................................. 53 80 7.5.6 Processor Information — Core Count.......................................................................... 55 81 7.5.7 Processor Information — Core Enabled...................................................................... 55 82 7.5.8 Processor Information — Thread Count...................................................................... 56 83 7.5.9 Processor Characteristics............................................................................................ 56 84 7.6 Memory Controller Information (Type 5, Obsolete) .................................................................. 57 85 7.6.1 Memory Controller Error Detecting Method................................................................. 58 86 7.6.2 Memory Controller Error Correcting Capability............................................................ 58 87 7.6.3 Memory Controller Information — Interleave Support................................................. 58System Management BIOS (SMBIOS) Reference Specification DSP0134 4 Published Version 3.2.0 88 7.6.4 Memory Controller Information — Memory Speeds .................................................... 59 89 7.7 Memory Module Information (Type 6, Obsolete) ...................................................................... 59 90 7.7.1 Memory Module Information — Memory Types .......................................................... 60 91 7.7.2 Memory Module Information — Memory Size ............................................................. 60 92 7.7.3 Memory subsystem example ....................................................................................... 61 93 7.8 Cache Information (Type 7) ...................................................................................................... 63 94 7.8.1 Cache Information — Maximum Cache Size and Installed Size ................................. 65 95 7.8.2 Cache Information — SRAM Type .............................................................................. 65 96 7.8.3 Cache Information — Error Correction Type ............................................................... 66 97 7.8.4 Cache Information — System Cache Type ................................................................. 66 98 7.8.5 Cache Information — Associativity.............................................................................. 66 99 7.9 Port Connector Information (Type 8) ........................................................................................ 67 100 7.9.1 Port Information example............................................................................................. 68 101 7.9.2 Port Information — Connector Types .......................................................................... 68 102 7.9.3 Port Types.................................................................................................................... 69 103 7.10 System Slots (Type 9)............................................................................................................... 70 104 7.10.1 System Slots — Slot Type ........................................................................................... 71 105 7.10.2 System Slots — Slot Data Bus Width.......................................................................... 73 106 7.10.3 System Slots — Current Usage................................................................................... 74 107 7.10.4 System Slots — Slot Length ........................................................................................ 74 108 7.10.5 System Slots — Slot ID ............................................................................................... 74 109 7.10.6 Slot Characteristics 1................................................................................................... 75 110 7.10.7 Slot Characteristics 2................................................................................................... 75 111 7.10.8 Segment Group Number, Bus Number, Device/Func

Bios boot Spec.BIOS Boot Specification Version 1.00 October 11, 1995