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Table 45.  SC5200 Fan Implementation 

Fan1, CN23 

80 x 38mm 

80 x 25mm 

Back 

Fan2, CN22 

80 x 38mm 

80 x 25mm 

Fan5, CN28 

80 x 38mm 

80 x 32mm 

Core Cooling Zone 

Front 

Fan6, CN36 

Fan 6 not used 

 

Fan3, CN41 

92 x 25mm 

80 x 32mm 

I/O Cooling Zone 

Front 

Fan4, CN46 

92 x 25mm 

Fan 4 not used 

CPU1 Fan, CN1 

PWT and fans not used 

60 x 25mm 

Processors PWT 

CPU2 Fan, CN18 

PWT and fans not used 

60 x 25mm 

 Note:  For the KHD3HSRP650 Chassis, processor cooling is implemented via ducted Fans 1, 2 & 5 in the 
core cooling zone rather than using processor wind tunnels (PWT) . The two 80 x 32mm KHD3BASE450 
fans can be connected to any of the four front fan headers. 

 

Table 46 lists the signals applied at each pin of the fan connectors, Fan1 – Fan6, CPU1 Fan 
and CPU2 Fan. The pinout is identical for all of the eight fan connectors.  

1 Fan 

Sense 

2 Fan 

Voltage 

3 GROUND