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2.2
FAN H
EADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different according to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
CPU_FAN1: CPU Fan Header
SYS_FAN1: NorthBridge Fan Header
SYS_FAN2: System Fan Header
Note:
The CPU_FAN1, SYS_FAN1/2 support 4-pin and 3-pin head connectors. When
connecting with wires onto connectors, please note that the red wire is the positive and
should be connected to pin#2, and the black wire is Ground and should be connected to
GND.
TA770E3/TA770XE3/TA790XE3
4
1
SYS_ FAN 1
3
1
SYS_ FAN 2
1
3
Pin
Assignment
1
Ground
2
+12V
3
FAN RPM rate
sense
4
Smart Fan
Control (By Fan)
Pin
Assignment
1
Ground
2
+12V
3
FAN RPM
rate sense
7
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