Replacing or Adding Processors

The following subsections provide the procedures for removing and installing the Xeon processor. Use these procedures when replacing or adding processors to your system. When adding a second processor to a CPU module an identical processor must be added to the other CPU module to provide total system redundancy and mirroring. Each processor includes a thermal cool sheet (heat radiation sheet) and a heat sink. Each processor installs in a processor socket on a CPU board located in the CPU module.

Note: Your system may have up to two processors on a CPU board. All installed processors must be matched for speed. If replacing a processor, the replacement processor must match the speed of all installed processors. If upgrading a processor, all processors must be upgraded to match.

!CAUTION

Electrostatic discharge (ESD) can damage components; place them on an antistatic surface. Update the CPU board using an antistatic wrist strap attached to chassis ground.

!WARNING

If the system was running, any processor and heat sink installed is hot. To avoid the possibility of a burn, let the components cool for 10 minutes before continuing with these procedures.

Installing a Processor

1.Remove the appropriate CPU module from the server chassis. See Removing a CPU Module earlier in this chapter.

2.Remove the three screws from the top and rear of the CPU module securing its top cover. See Figure 4-7.

3.Remove the top cover of the CPU module by sliding it slightly towards the rear of the module until it stops and its hooks disengage from the tab slots in the module chassis and then pull it straight up. See Figure 4-7.

CRU Replacement and Server Upgrades 4-11

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NEC 320Lb-R manual Replacing or Adding Processors, Installing a Processor