Intel P4000RP Technical Product Specification - Page 100
Fan Headers
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On-board Connector/Header Overview Intel® Server Board S1200V3RP 8.6 Fan Headers The server board provides five SSI-compliant 4-pin fans (J7K1, J3K4, J8K1, J8K2 and J8B1) to use as CPU and I/O cooling fans. 3-pin fans are supported on all fan headers. The pin configuration for each of the 4-pin fan headers is identical and defined in the following tables. One 4-pin fan header is designated as processor cooling fan: - CPU fan (J7K1) Three 4-pin fan headers are designated as system fans: - System fan 1 (J3K4) - System fan 2 (J8K1) - System fan 3 (J8K2) One 4-pin fan header is designated as a rear system fan: - System fan 4 (J8B1) Table 53. SSI 4-pin Fan Header Pin-out (J7K1, J3K4, J8K1, J8K2, J8B1) Pin 1 2 3 4 Signal Name Ground 12V Fan Tach Fan PWM Fan PWM Fan Tach Type GND Power In Out Out In Description Ground is the power supply ground Power supply 12 V FAN_TACH signal is connected to the BMC to monitor the fan speed FAN_PWM signal to control fan speed FAN_PWM signal to control fan speed FAN_TACH signal is connected to the BMC to monitor the fan speed Note: Intel Corporation server boards support peripheral components and can contain a number of high-density VLSI and power delivery components that need adequate airflow to cool. Intel's own chassis are designed and tested to meet the intended thermal requirements of these components when the fully integrated system is used together. It is the responsibility of the system integrator that chooses not to use Intel developed server building blocks to consult vendor datasheets and operating parameters to determine the amount of airflow required for their specific application and environmental conditions. Intel Corporation cannot be held responsible if components fail or the server board does not operate correctly when used outside any of its published operating or non-operating limits. 88 Revision 1.0