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ASUS A7N266-E User’s Manual 37
3. HARDWARE SETUP
Connectors
3. H/W SETUP
12) CPU Fan, North Bridge Fan, and Chassis Fan Connectors
(CPU, NB, 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.
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. Monitor Rotations Per Minute (RPM) using ASUS PC
Probe (see section 6. SOFTWARE REFERENCE).
A7N266-E
010101
®
A7N266-E 12-Volt Cooling Fan Power
CHA_FAN
GND
Rotation
+12V
CPU_FAN
NB_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!