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Intel Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver, MPCHC5525 2.1.3 Where Is IPMI-Relevant Information Stored?

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10 Intel® NetStructure™ MPCHC5525 System Master Processor Board IPMI Reference Dri ver User’s Guide

IBMU Functionality

2.1.3 Where Is IPMI-Relevant Information Stored?

The following table shows which information is stored in whic h repos itory of a BMC/PM.

The IBMU provides approximately 100Kbytes of flash memory for each repository.

The following figure shows the repositories available in IPMI controllers operated as BMC or PM

after the SDRs of the PMs were copied into the BMC’s SDR repository. Nonintelligent devices

provide none of the repositories.

Table 3. Data in Repositories

Information Repository Available in

Inventory information on boa r d or de vi ce: Man uf a ctur er I D, pr o duct ID et c. Field R eplaceable

Unit (FRU) PM and BMC

Messages concern ing events, such as abnormal voltages , out-of-range

temperatures et c. System Event Log

(SEL) BMC

Sensor data records (S DRs) of all sensors on a board. SDRs contain, for

example, threshold values, conversion factors, and information on

whether events are generated. Local SDR PM and BMC

SDRs of all sensors availab le in the entire system. At fi rst, the SDR

repository of the B MC is empty, and the SDR s of all PMs must b e copied

into the BMC’s SDR repository (will b e explained later). SDR BMC

Figure 1. Repositories of BMC and PMs

Contents

Main Page Contents Figures Tables Page Page Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 7 Using This Guid e Using This Guide 1 1.1 Terms and Definitions Table 1. Terms and Definitions 8Intel Using This Guide 1.2 Other Sources of Information Table 2. Reference Documents Table 1. Terms and Definitions IBMU Functionality 2 2.1 Introduction 2.1.1 Purpose of IPMI 2.1.3 Where Is IPMI-Relevant Information Stored? 2.1.4 Basic Communication Principles 2.1.5 Requirements Page 2.1.6 Available D rivers 2.2 How Does Communication Work? 2.2.1 Communication Within a Chassis 2.2.1.1 Devices with IPMI Controller 2.2.1.2 Nonintelligent Devices 2.2.1.3 On-Board Temperature Sensor 2.2.2 Communication between Chassis Page Page Preparing Software for IPMI Usage 3 3.1 Action Plan 3.2 Notes on Writing Your Own IPMI Driver 3.3 Sensor Data Records 3.3.1 Obtaining SDR Settings 3.4 Notes on Writing System Managem ent Software With your management sof tw a re and For c e -sp e cif ic O E M IP MI co mm ands, you: 3.4.2 Checking CP U Boar d Si gn als 3.4.2.4 POST Code 3.4.3 Monitoring the IBMU 3.4.3.1 Self Test 3.4.3.2 IPMI Controller Watchdog Supported IPMI Commands and BMC/PM Addresses 4 4.1 Standard IPMI Commands 4.2 Global IPM I Co m mands 4.2.1 System Interface Commands 4.2.3 SEL Commands 4.2.4 SDR Commands 4.2.5 FRU Inventory Device Commands Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 25 4.2.6 Sensor Device Commands All commands can be used in every operation mode. 4.2.7 ICMB Bridge Commands Table 7. Implemented Optional Sensor Device Commands Table 8. Implemented Optional ICMB Bridge Commands (Sheet 1 of 2) 4.3 Force-Specific Commands 4.3.1 BMC/PMChangeRole 4.3.1.2 Response Data 4.3.1.1 Request Data 4.3.2 FlashFileSystemClear 4.3.2.1 Request Data 4.3.2.2 Response Data 4.3.3 GetGeographicalAddress 4.3.3.1 Request Data 4.3.3.2 Response Data 4.4 BMC and PM Addresses Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 29 Page Customer Support 5