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Hardware setup – Asus A7V133-C User Manual

Page 39

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ASUS A7V133 User’s Manual

39

3. HARDWARE SETUP

Connectors

3. H/W SETUP

14) Power Supply, CPU, Chassis Fan Connectors

(3-pin PWR_FAN, CHA_FAN, F_FAN, CPU_FAN)
These connectors support cooling fans of 350mA (4.2 Watts) or less. Orientate
the fans so that the heat sink fins allow airflow to go across the onboard heat
sink(s) instead of the expansion slots. Depending on the fan manufacturer, the
wiring and plug may be different. The red wire should be positive, while the
black should be ground. Connect the fan’s plug to the board taking into consid-
eration the polarity of the connector.

NOTE: The “Rotation” signal is to be used only by a specially designed fan with
rotation signal. The Rotations per Minute (RPM) can be monitored using ASUS PC
Probe (see 6. SOFTWARE REFERENCE). The Rotation signal is not supported
by F-FAN.

WARNING!

The CPU and/or motherboard will overheat if there is no airflow

across the CPU and onboard heatsinks. Damage may occur to the motherboard
and/or the CPU fan if these pins are incorrectly used. These are not jumpers,
do not place jumper caps over these pins.

01

01

01

A7V133

A7V133 12-Volt Cooling Fan Power

CHA_FAN

GND

Rotation

+12V

CPU_FAN

GND

Rotation

+12V

F_FAN

GND

Rotation

+12V

PWR_FAN

GND

Rotation

+12V

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