Technical Product Specification for Canoe Pass - Preminary - Intel

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Intel ® Server System P4000CP Power System Options Intel ® Server Board S2600CP and Server System P4000CP TPS 13.3.6.3 SMBAlert# Signal This signal indicates that the power supply is experiencing a problem that the user should investigate. This shall be asserted due to Critical events or Warning events. The signal shall activate in the case of critical component temperature reached a warning threshold (see sec. 4.10), general failure, over-current, over-voltage, under-voltage, failed fan. This signal may also indicate the power supply is reaching its end of life or is operating in an environment exceeding the specified limits. This signal is to be asserted in parallel with LED turning solid Amber or blink Amber. 128 Table 96. SMBAlert# Signal Characteristics Signal Type (Active Low) Open collector/drain output from power supply. Pullup to VSB located in system. Alert# = High OK Alert# = Low Power Alert to system MIN MAX Logic level low voltage, Isink=4 mA 0 V 0.4 V Logic level high voltage, Isink=50 A 3.46 V Sink current, Alert# = low 4 mA Sink current, Alert# = high 50 A Alert# rise and fall time 100 s 13.3.7 Thermal CLST The power supply shall assert the SMBAlert signal when a temperature sensor crosses a warning threshold. Refer to the Intel ® Common Hardware & Firmware Requirements for CRPS Power Supplier for detailed requirements. 13.3.8 Power Supply Diagnostic “Black Box” The power supply saves the latest PMBus data and other pertinent data into nonvolatile memory when a critical event shuts down the power supply. This data is accessible via the SMBus interface with an external source providing power to the 12Vstby output. Refer to the Intel “Common Hardware & Firmware Requirements for CRPS Power Supplier” for detailed requirements. 13.3.9 Firmware Uploader The power supply has the capability to update its firmware via the PMBus interface while it is in standby mode. This FW can be updated when in the system and in standby mode and outside the system with power applied to the 12Vstby pins. Refer to the Intel Common Hardware & Firmware Requirements for CRPS Power Supplier for detailed requirements. 13.4 Lower Power Common Redundant Power Distribution Board (PDB) The Power Distribution Board (PDB) for Intel ® Server Chassis P4000M supports the Common Redundant power supply in a 1+1 redundant configuration. The PDB is designed to plug directly to the output connector of the PS and it contains 4 DC/DC power converters to produce other Intel Confidential Revision 0.8 Intel order number G26942-003
Intel ® Server Board S2600CP and Server System P4000CP TPS Intel ® Server System P4000CP Power System Options required voltages: -12V, +3.3VDC, +5VDC and 5V standby along with additional over current protection circuit for the 12V rails. This power distribution board is intended to be used in the Intel ® Server Chassis P4000M Family with various common redundant power supplies: 460W, 750W and DC input 750W. 13.4.1 Mechanical Overview Figure 50. Outline Drawing 13.4.1.1 Airflow Requirements The power distribution board shall get enough airflow for cooling DC/DC converters from the fans located in the Power Supply modules. Below is a basic drawing showing airflow direction. The amount of cooling airflow that will be available to the DC/DC converters is to be no less then 1.2M/s. Airflow direction PDB Rear power supply Front power supply Figure 51. Airflow Diagram 13.4.1.2 DC/DC converter cooling The dc/dc converters on the power distribution board are in series airflow path with the power supplies. 13.4.1.3 Temperature Requirements The PDB operates within all specified limits over the Top temperature range. Some amount of airflow shall pass over the PDB. Revision 0.8 Intel Confidential Intel order number G26942-003 129
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