Asus PCI-L101 User Manual download pdf (Page 36)

36 ASUS P3V133 User’s Manual

3. HARDWARE SETUP

Connectors

3. H/W SETUP

10. Chassis/CPU/Power Supply Fan Connectors (3-pin CHA_,CPU_,PWR_FAN)

These connectors support cooling fans of 500mA (6W) 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.

NOTES: The “Rotation” signal is to be used only by a specially designed fan

with rotation signal. The fans have been designed to power off after entering

the sleep/soft-off mode. This is to reduce both energy consumption and system

noise.

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.

P3V133

P3V133 12Volt Cooling Fan Power

CPU Fan Power

GND

Rotation

+12V

Power Supply Fan

Chassis Fan Power

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Asus PCI-L101 User Manual Page 36