Asus A7V333 A7V333 User Manual - Page 46

Hardware information, CPU Fan, Power Fan, and Chassis Fan Connectors, 3x3 pin CPU_, PWR_

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10) CPU Fan, Power Fan, and Chassis Fan Connectors (3x3 pin CPU_, PWR_, CHA_FAN) Three fan connectors support cooling fans of 350mA (4.2 Watts) or less. Orient the fans so that airflow flows across the onboard heat sinks instead of expansion slots. The fan wiring and plug vary depending on the type employed. Connect the fan cable to the connector, ensuring that the black wire matches the ground pin. (Use the "Rotation" signal only with a specially designed fan with a rotation signal. You can monitor the Rotations Per Minute (RPM) using ASUS PC Probe (see 6. SOFTWARE REFERENCE). WARNING! Make sure to connect the fan cables to the fan connectors. Lack of sufficient airflow within the system could cause damage to the motherboard. These are not jumpers, do not place jumper caps over these connectors! CPU_FAN PWR_FAN Rotation +12V GND Rotation +12V GND A7V333 ® CHA_FAN Rotation +12V GND A7V333 12-Volt Fan Connectors 34 Chapter 2: Hardware information

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34
Chapter 2: Hardware information
10)
CPU Fan, Power Fan, and Chassis Fan Connectors
(3x3 pin CPU_, PWR_, CHA_FAN)
Three fan connectors support cooling fans of 350mA (4.2 Watts) or less.
Orient the fans so that airflow flows across the onboard heat sinks instead of
expansion slots.
The fan wiring and plug vary depending on the type
employed.
Connect the fan cable to the connector, ensuring that the black
wire matches the ground pin. (Use the “Rotation” signal only with a specially
designed fan with a rotation signal. You can monitor the Rotations Per Minute
(RPM) using ASUS PC Probe (see
6. SOFTWARE REFERENCE
).
A7V333
A7V333 12-Volt Fan Connectors
CPU_FAN
PWR_FAN
CHA_FAN
GND
Rotation
+12V
GND
Rotation
+12V
GND
Rotation
+12V
WARNING!
Make sure to connect the fan cables to the fan connectors.
Lack of sufficient airflow within the system could cause damage to the
motherboard.
These are not jumpers, do not place jumper caps over
these connectors!