6 cpu fan connector (+12v, 4-pin), Figure 3-8: +12v fan connector location, Table 3-7: cf card socket pinouts – IEI Integration PICOe-PV-D4251_N4551_D5251 v1.11 User Manual
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PICOe-PV-D4251/N4551/D5251 User Manual
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Pin Description
Pin Description
18 SA2
43 SDREQ
19 SA1
44 SDACK#
20 SA0
45 HDD_ACTIVE#
21 DATA
0 46 66DET
22 DATA
1 47 DATA
8
23 DATA
2 48 DATA
9
24 N/C
49 DATA
10
25 VCC-IN
CHECK2
50 GROUND
Table 3-7: CF Card Socket Pinouts
3.2.6 CPU Fan Connector (+12V, 4-pin)
CN Label:
CPU_FAN1
CN Type:
4-pin wafer (1x4)
CN Location:
See
6
Figure 3-8
CN Pinouts:
6
The cooling fan connector provides a 12V, 500mA current to the cooling fan. The
connector has a "rotation" pin to get rotation signals from fans and notify the system so the
system BIOS can recognize the fan speed. Please note that only specified fans can issue
the rotation signals.
Figure 3-8: +12V Fan Connector Location
Pin Description
1 GND
2 +12V