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ASUS MEL-M User’s Manual 27
III. HARDWARE SETUP
Connectors
III. H/W SETUP
11. Chassis, CPU , & Power Supply Fan Connectors (3-pin CHA_, CPU_, PWR_FAN)
These connectors support cooling fans of 500mA (6 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 consideration
the polarity of the this connector. NOTE: The “Rotation” signal is to be used
only by a specially designed fan with rotation signal.
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.
MEL-M 12-Volt Cooling Fan Power
Chassis Fan Power
GND
Rotation
+12V
010101
R
MEL-M
GND
Rotation
+12V
Power Supply Fan
CPU Fan Power
12. Wake-On-LAN Connector (3-pin WOL_CON)
These connector connects to LAN cards with a Wake-On-LAN output, such as the
ASUS PCI-L101 (see APPENDIX). The connector powers up the system when a
wakeup packet or signal is received through the LAN card.
IMPORTANT: This feature requires that the WAKE On LAN Power Up Control is
set to Enabled (see Power Management Setup under BIOS SETUP) and that your
system has an ATX power supply with at least 720mA +5V standby power.
MEL-M Wake-On-LAN Connector
IMPORTANT: Requires an ATX power
supply with at least 720mA +5-volt
standby power
010101
R
MEL-M
+5 Volt Standby
PME
Ground