Asus P5SD1-FM2 User Manual page 40

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This Manual: http://www.manuallib.com/file/2595652
CPU and Chassis fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350 mA ~ 2000 mA (24 W
max.) or a total of 1 A ~ 3.48 A (41.76 W max.) at +12 V. Connect
the fan cables to the fan connectors on the motherboard, making sure
that the black wire of each cable matches the ground pin of the
connector.
Do not forget to connect the fan cables to the fan connectors.
Insufficient air flow inside the system may damage the motherboard
components. These are not jumpers! DO NOT place jumper caps on the
fan connectors.
P5SD1-FM2 Fan connectors
Speaker out connector (4-pin SPEAKER)
This connector is for the case-mounted speaker and allows you to
hear system beeps and warnings.
P5SD1-FM2 Speaker out connector
CHA_FAN
Rotation
+12V
GND
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
SPEAKER
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Chapter 1: Hardware information