Replacing The Heatsink And Cpu; Removing The Heatsink And Cpu - Sun Microsystems Ultra 20 M2 Service Manual

5.16

Replacing the Heatsink and CPU

This section describes how to remove or replace a CPU and heatsink.
Note – The CPU is not a customer replaceable unit (CRU) and should be replaced
only by trained field service technicians.
5.16.1

Removing the Heatsink and CPU

Perform this procedure to remove the heatsink and CPU.
Note – Before removing the CPU from the motherboard, create a backup file to
preserve all important data.
1. Follow the steps in
Side Access Panel" on page
2. Gently lay the system on its right side on a stable, nonslip surface.
Caution – The heatsink can become extremely hot. Allow a few minutes for the
heatsink to cool before attempting this procedure.
3. Disconnect the CPU fan cable from its connector on the motherboard.
5-46 Sun Ultra 20 M2 Workstation Service Manual • January 2007
Section 5.2.2, "Powering Off the System and Removing the Left
5-3.