IMBA-8650 Motherboard
Page 61
PIN DESCRIPTION PIN DESCRIPTION
13 VCC_COM 38 VCC
14 N/C 39 CSEL
15 N/C 40 N/C
16 N/C 41 BPCIRST-
17 N/C 42 SIORDY
18 SDA2 43 SREQ
19 SDA1 44 SDACK-
20 SDA0 45 CF_LED
21 DATA 0 46 S66D
22 DATA 1 47 DATA 8
23 DATA 2 48 DATA 9
24 N/C 49 DATA 10
25 CFD2 50 GND
Table 4-9: CF Card Socket Pinouts
4.2.8 Fan Connectors
CN Label: FAN1, FAN2
CN Type:
3-pin wafer connector
CN Location:
See
Figure 4-9
CN Pinouts:
See
Table 4-10
The FAN1 and FAN2 cooling fan connectors provide a 12V current to the cooling fans.
The connector has a "rotation" pin to get rotation signals from the fan and notify the
system so the system BIOS can recognize the fan speed. Please note that only certain
fans can issue the rotation signals.
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