Asus RS740-E7-RS24-EG - Manual (Page 32)

Chapter 2: Hardware setup 2-8
13. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN1 /
CPU_FAN2.
DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if
you fail to plug this connector.
The Thermal Interface Material is toxic and inedible. DO NOT eat it. If it gets into your eyes
or touches your skin, wash it off immediately, and seek professional medical help.
Some heatsinks come with pre-applied
thermal interface material. If so, skip
this step.
12. Apply some Thermal Interface Material
to the exposed area of the CPU that the
heatsink will be in contact with. Spread
the Thermal Interface Material evenly on
the CPU.