Intel SE7501HG2 Product Guide - Page 22

System Management Intel integrates system management features into the hardware and provides additional features through Intel® Server Management software. For instructions on using the features described below, refer to the Configuration Software and Utilities chapter, beginning on page 81. Baseboard Management Controller Intel server boards incorporate a baseboard management controller (BMC), which is a dedicated microcontroller for system management activities. The BMC performs the following functions: • Monitors system components and sensors, including processors, memory, fans, power supplies, temperature sensors, and chassis intrusion sensors. • Manages nonvolatile storage for the system event log (SEL), sensor data records (SDRs), and baseboard field-replaceable unit (FRU) inventory. • Interfaces with the emergency management port (EMP) and LAN1 port to send alerts and interact with remote management systems. • Provides the main front panel control functions (power on/off, reset, and so on). Field Replaceable Units and Sensor Data Records Field replaceable units (FRUs) are major modules in the chassis that contain active electronic circuitry. FRUs can store information-such as board serial number, part number, name, and asset tag-that can be read using the System Setup Utility. The BMC stores FRU information for the baseboard in a nonvolatile storage component on the board. The BMC uses Sensor Data Records (SDRs) to identify the sensors in the system for monitoring. SDRs provide a list of the sensors, their characteristics, location, type, and type-specific information, such as default threshold values, factors for converting a sensor reading into the appropriate units (mV, rpm, degrees Celsius), and information on the types of events that a sensor can generate. The BMC stores SDR information in a nonvolatile storage component on the baseboard. You can use the FRU/SDR Load Utility to initialize or update the FRU and SDR information. Intel® server boards are shipped from the factory with some sensors disabled because the actual configuration of the chassis is only determined when the user completes the system configuration. For example, chassis-specific FRU information, such as chassis part number, must be configured when the system is configured. For these reasons, it is important to run the FRU/SDR Load Utility as part of the system setup process. You should also run the FRU/SDR Load Utility whenever you change the number of fans, processors, or power supplies in the server. System Event Log The BMC manages a system event log (SEL), where it records significant or critical system events. These events include temperatures and voltages out of range, fan failures, and other sensor-related events. The BIOS, software, and other devices can also log events by sending messages to the BMC. The SEL is stored in nonvolatile storage. You can view the current contents of the SEL by using the System Setup Utility. 22 Intel Server Board SE7501HG2 Product Guide