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34 ASUS A7V266-C User’s Manual
3. HARDWARE SETUP
Connectors
3. H/W SETUP
11) CPU Fan, Power Fan, and Chassis Fan Connectors
(Three 3 pin CPU_, PWR_, CHA_FAN)
The three fan connectors support cooling fans of 350mA (4.2 Watts) or less.
Orient the fans so that the heat sink fins allow airflow to go across the onboard
heat sinks instead of the expansion slots. The fan wiring and plug may vary
depending on the fan manufacturer. Connect the fan cable to the connector making
sure that the black wire matches the ground pin. (NOTE: 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).
R
A7V266-C
A7V266-C 12-Volt Cooling Fan Power
PWR_FAN
CPU_FAN
CHA_FAN
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!