User guide

PICOe-PV-D4251/N4551/D5251 User Manual
Page 21
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
6Figure 3-8
CN Pinouts:
See
6Table 3-8
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