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ASUS P9D-E/4L
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7. CPU, front, and rear fan connectors
(4-pin CPU_FAN1, FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, REAR_FAN1)
The fan connectors support cooling fans. Connect the fan cables to the fan connectors
on the motherboard, ensuring that the black wire of each cable matches the ground pin
of the connector.
• DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow
inside the system may damage the motherboard components.
• These are not jumpers! DO NOT place jumper caps on the fan connectors!
• All connectors feature the ASUS Smart Fan technology.
6. Thermal sensor cable connectors (3-pin TR1)
This connector allows you to connect a Thermal sensor cable that is used for
monitoring temperature. Connect the Thermal sensor cable to the connector and place
its probe to the device that you want to monitor.