IBM CMX58886CX - Manual (Page 56)

48 CMX58886CX cpuModule BDM-610000050 Rev A
Fan Power, Switched (CN15)
The switched fan power connector (CN15) is an optional fan connector which allows the system to power the
fan only when the processor temperature reaches high temperatures.
To utilize this connector, refer to the Thermal Management section on page 65.
Table 33 Fan Power, Switched (CN15)
Pin Signal Function
1 CPU_FAN_PWM +5 Volts DC, switched
2 GND Ground