Asus RS320Q-E7/RS12 - Manual (Page 56)

4-8 Chapter 4: Motherboard information
3. Thermal sensor cable connectors (3-pin TR1/TR2)
This connector is for temperature monitoring. Connect the thermal sensor cable
to this connector and place the other end to the device, which you want to monitor
temperature.
4. Front fan connectors (FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, FRNT_FAN4)
The fan connectors support cooling fans of 350 mA–740 mA (8.88 W max.) or a total of
3.15 A–6.66 A (53.28 W max.) at +12V. 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 fans feature the ASUS Smart Fan technology.