Motherboard Cpus; Figure 36: Cpu, Socket, And Cooling Assembly - EFI E-85 Installation And Service Manual

Motherboard CPUs

The CPUs are installed in Zero Insertion Force (ZIF) sockets on the motherboard. Before removing a CPU from its socket,
you must disconnect the CPU fan cable from the motherboard and remove the CPU cooling assembly from the
motherboard. The CPU cooling assembly consists of a fan and a heatsink.

Figure 36: CPU, socket, and cooling assembly

1
2
1 CPU
2 CPU socket in motherboard
3 CPU fan
Caution: Follow standard ESD precautions when handling the motherboard and all components (see
Important: To avoid flexing and possibly damaging the motherboard, always service the CPU cooling assemblies
one at a time. If you must service both CPU cooling assemblies, observe the following guidelines: remove, service,
and replace the first cooling assembly; then remove, service, and replace the second cooling assembly.
An exception is allowed if you are removing the CPU cooling assemblies to service the motherboard. In this case, remove
Installation and Service Guide: Color Controller E-85
3
4
5
6
4 Mounting screw (1 of 4)
5 Heatsink
6 Mounting hole in motherboard (1 of 4)
69
Replacing parts
page 11).