IntelÃ‚Â® Server System Server System "Emerald Ridge ... - CTL

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錯誤 ! 尚未定義樣式。 EPSFunctional Specification3.26 Global Fan Fault LEDEmerald Ridge platform has a Fan Fault LED located on front panel next to System Status LED,which indicates Fan Fault on system, since FAN LEDs are inside chassis, user can use thisLED to find out if there are any fan failures in the systemOn normal condition Global Fan Fault LED will be OFF. In case of fan fault (Any of system Fan),addition to relevant FAN fault LED, Global FAN fault LED will be amber solid,Global fan fault LED will be OFF only if NONE of system fan fault LED is ON and Global FanFault LED will be ON only if ANY of Fan fault LED is ON.None of other sensors and System status contributes to Global Fan Fault LEDIn case of fan fault when system is powered off ( DC off), Global Fan fault LED will be ON sothat user can see the fan fault without opening the chassis and it will be turned off till sensor isrearmed ( int agent in case of DC on)3.27 Power Management Bus (PMBus)The BMC firmware implements power-management features based on the Power ManagementBus (PMBus) 1.1 Specification.3.27.1 PMBus AddressingThe power supply device address locations are shown below.Table 13. PMBus Device AddressingPower Supply #Power Supply 1Power Supply 2Power Supply 3Power Supply 4B0hB2hB4hB6hPMBus Address3.27.2 PMBus-specific specific Sensor SupportThe following sensor types are supported for systems that contain PMBus-compliant powersupplies and a PMBus-compliant power distribution board.3.27.2.1 Power Supply Input Power SensorThis analog sensor monitors AC power input to the system.IPMI Sensor CharacteristicsEvent reading type code: 01h (Threshold)Sensor type code: 0Bh (Other Units)Rearm type: AutoConfigured thresholds: Upper critical/non-criticalRevision 1.1Intel ® Confidential 43
錯誤 ! 尚未定義樣式。錯誤 ! 尚未定義樣式。 EPSEvent generation: Assertion/deassertion events for all supported thresholds3.27.2.2 Power Supply Output Current SensorThe BMC supports one Power Supply Output Current sensor for each system power supplymodule. This sensor is only supported for systems that use PMBus-compliant power supplies.The BMC reads current for the main 12 V power rail coming out of the power supply andexpresses the reading as the percentage of max rated output current for the power rail.This monitoring capability is instantiated in the form of IPMI analog/threshold sensors.IPMI Sensor CharacteristicsEvent reading type code: 01h (Threshold)Sensor type code: 03h (Current)Rearm type: AutoConfigured thresholds: Upper critical/non-criticalEvent generation: Assertion/deassertion events for all supported thresholds3.27.2.3 Power Supply Temperature SensorThe BMC supports two Power Supply Temperature sensors for each system power supplymodule. One temperature sensor uses in standby mode, the other uses in active mode. Thestandby sensors would be available only when the system in standby mode, reading for thesesensors in power on state would result in "reading not available" state. The active mode sensorswould be available only when system power on more then 25 seconds due to BMC delays 25seconds after DC Power On to access these sensors. Reading for these sensors in standbystate and power on less then 25 seconds would result in "reading not available" state. Moreover,the standby sensors and active mode sensors have different thresholds.These sensors are only supported with systems that use PMBus-compliant power supplies. Thismonitoring capability is instantiated in the form of IPMI analog/threshold sensors. The location ofthe physical temperature sensor in the power supply helps to provide a measurement of inlet airtemperature to the power supply. These sensors are implemented as auto rearm.3.28 Power Unit ManagementThe BMC supports IPMI type 09h, power unit sensor, using the following offsets:Table 14. Power Unit Sensor OffsetsOffsetDescriptionEvent Logging00h Power off – Asserted whenever the system DC power is off. Assertion andDeassertion04h05hAC lost – Asserted momentarily for event generation when AC power isapplied to the system and the previous system power state was on.Soft power control failure – Asserted if the system fails to power-on due to thefollowing power control sources:Chassis Control commandPEF actionBMC Watchdog TimerPower State RetentionAssertion andDeassertionAssertion andDeassertion44Intel ConfidentialRevision 1.1
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