Intel SR6850HW4 Product Guide - Page 57
Power Distribution Board, Server Management
UPC - 735858179706
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LED control logic Server management I2C interface Fan presence sensing and fan fault LED control I2C Serial EEPROM (FRU) Temperature sensors SAFTE controller firmware update capability Interconnect for optional LCD front panel control board Voltage regulators 12VDC to 5VDC 5VDC to 3.3VDC 5VDC to 1.8VDC System fan control for six fans USB 2.0 Hub Front panel control board video interconnect and termination Driver circuit for speaker on the front panel I/O board Push-button signal buffering Power connectors for DVD and tape drive cables In-System Programming (ISP) connector for PLD programming Power Distribution Board The power distribution board provides docking connectors for the hot-swappable power supply modules and distributes power to the main board and SCSI backplane. The board also contains EEPROM FRU information storage. Server Management The Baseboard Management Controller (BMC) monitors system platform management events and logs their occurrences in the non-volatile System Event Log (SEL). This includes events such as over-temperature and over-voltage conditions, and fan failures. The BMC can also provide the interface to the monitored information so system management software can poll and retrieve the present status of the platform. The BMC also provides the interface to the non-volatile Sensor Data Record (SDR) Repository. Sensor Data Records provide a set of information that system management software can use to automatically configure itself for the number and type of IPMI sensors (such as temperature and voltage sensors) in the system. 57