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2-7 Other Connectors Configuration
• This section lists out all connectors configurations for users' reference.
2-7.1 On Board FAN Connectors (FAN1,FAN2, FAN3)
mPGA478B
Clock
Generator
Intel RG82845
AGP4X
1
3
JP14
PCI 1
CD1
1
4
1
3
FAN1
CD2
1
4
PCI 2
AC'97
Codec
PCI 3
PCI 4
PCI 5
PCI 6
3
1
WOL1
ON
DIP
SW1
CNR
1 2 3 4 5
These fan connectors support CPU/System/chassis cooling fan with +12V.
When connecting wire to FAN connectors, users should pay attention
that the red wire is for the positive current and should be connected to
pin +12V, and the black wire is Ground and should be connected to pin
GND. If your mainboard has Hardware Monitor chipset on-board, you
must use a specially designed fan with speed sensor to take advantage
of this function.
For fans with speed sensors, each rotation of the fan blades will send out
2 electric pulses, by which System Hardware Monitor will work out the
fan rotation speed by counting the pulses.
NOTE :
We use 3 "Yellow" fan connectors to mark that they support fan
speed sensor function.
1
Intel RG82845
FDC1
FAN1, FAN2, FAN3: On-Board FAN Connectors
1
1
IDE2
1
IDE1
82801BA
FWH
FAN3
16
1
3
USB1
1
25
Chapter 2 Hardware Setup
GND
+12V
SENSOR
CPU FAN
SYSTEM FAN
CHASSIS FAN
FAN2
FAN1
FAN3
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