4-10 CRU Replacement and Server Upgrades
Replacing CPU Modules
Your system contains two redundant CPU modules that are accessible from the
front of the server unit.
The following subsections provide the procedures for removing and installing
CPU modules.
Removing a CPU Module
1. Observe the safety and ESD precautions listed at the beginning of this
chapter.
2. Unlock and open the front door on the tower cabinet or front covers on the
rack-mount system. See Opening and Closing the Front Door of the Tower
Cabinet earlier in this chapter or Removing and Installing the Front Covers
of the Rack-Mount System earlier in this chapter.
3. Ensure that the CPU module is off-line by viewing its status LED indicators
(See Figure 4-5). The state of the status LEDs should be as follows:
Fail lamp: Red
State lamp: Off
Figure 4-5. CPU Module Status LED Indicators
4. Unscrew and remove the knurled screw securing the locking handle to the
CPU module. See Figure 4-6.
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