Dell PowerApp 220 Kurulum Kılavuzu - Sayfa 3

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Upgrading the Microprocessor or Installing a

Secondary Microprocessor

To take advantage of future options in speed and functionality, you can add secondary

microprocessors or replace either the primary or secondary microprocessors in your Dell ™

system.

NOTICE: The secondary microprocessors must be of the same type and speed as the primary

microprocessor.

Each microprocessor and its associated level 2 (L2) cache memory are contained in a Pin

Grid Array (PGA) package that is installed in a zero insertion force (ZIF) socket on the

system board. The following subsection describes how to install or replace the

microprocessor in either the primary or secondary microprocessor connectors.

Adding or Replacing a Microprocessor

In addition to the ZIF socket for the primary microprocessor on the system board, there

may be other ZIF sockets to accommodate secondary microprocessors. The secondary

microprocessors must have the same operating frequency as the primary microprocessor.

The following items are included in the microprocessor upgrade kit:

• A microprocessor chip

• A heat sink

• A retention clip

• A voltage regulator module (VRM), used if adding a second processor

Turn off the system, including any peripherals, and disconnect the power cable from

the electrical outlet.

Open the system doors. For instructions, see "Checking Inside the System" in your

system's Installation and Troubleshooting Guide.

NOTICE: See "Protecting Against Electrostatic Discharge" in the safety instructions in the

System Information document.

If you are upgrading an existing microprocessor, remove the heat sink retention clip

that secures the heat sink to the microprocessor, press down firmly on the tab on the

retention clip, and then remove the clip from the heat sink.

Refer to your system information label on the system cover for heat sink retention clip

information.

M ic ro p r o ce s so r Up g r a d e I n s ta ll a tio n Gu i d e

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