Connectors and Jumper
1230B0026701
3-18
3
3
.
.
1
1
4
4
F
F
a
a
n
n
B
B
o
o
a
a
r
r
d
d
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
(
(
J
J
1
1
)
)
The fan board connector and the pin definition are shown below:
Figure 3-16 Fan Board Connector
Table 3-16 Fan Board Connector Pin Definition
Signal Name
Pin
Pin
Signal Name
BMC_FAN_TACH_SEL0
1 2 BMC_FAN_TACH_SEL1
FAN_BMC_TACH1 3
4
FAN_BMC_TACH2
FAN_BMC_TACH3
5 6
FAN_BMC_TACH4
FAN_BMC_TACH5
7 8
FAN_BMC_TACH6
FAN_BMC_TACH7
9 10
FAN_BMC_TACH8
FAN_CNTR_PWM1
11 12 FAN_CNTR_PWM2
I
2
C_SCL_FAN_CNTR_R 13 14 I
2
C_SDA_FAN_CNTR_R
5V_DUAL
15 16 +3.3V
+12V
17 18 I
2
C_ALERT_FAN_N
+12V
19 20 +12V
+12V
21 22 +12V
+12V
23 24 +12V
+12V 25
26
+12V
+12V 27
28
+12V
+12V
29 30 Ground
Ground
31 32
Ground
