Dell 8 Manual de usuario

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Information Update

Processor Installation

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use

of your computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of data

if instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal

injury, or death.

____________________

Information in this document is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.

is strictly forbidden.

Trademarks used in this text: Dell, and the DELL logo are trademarks of Dell Inc.

Other trademarks and trade names may be used in this document to refer to either the entities claiming

the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and

trade names other than its own.

April 2009 Rev. A00

Processor Installation 3

Information Update on Processor Installation

Removing a Processor

WARNING: Only trained service technicians are authorized to remove the system

cover and access any of the components inside the system. Before you begin this

procedure, review the safety instructions that came with the system.

Prior to upgrading your system,

download the latest system BIOS version

from support.dell.com and follow the instructions included in the

compressed download file to install the update on your system

Turn off the system, including any attached peripherals, and disconnect

the system from the electrical outlet. When disconnected from AC power,

press and hold the power button for 3 seconds to fully drain the system of

stored power prior to removing the cover.

NOTE: It is recommended that you always use a static mat and static strap while

working on components in the interior of the system.

Open the system. See "Opening the System" in the

Hardware Owner’s

Manual

Remove the cooling shroud. See "Removing the Cooling Shroud" in

the

Hardware Owner’s Manual

WARNING: The heat sink and processor are hot to the touch for some time after

the system has been powered down. Allow the heat sink and processor to cool

before handling them.

CAUTION: Never remove the heat sink from a processor unless you intend to

remove the processor. The heat sink is necessary to maintain proper thermal

conditions.

Release one of the heat-sink release levers or remove the screws from

the corners of the heat sink. See your

Hardware Owner’s Manual

for a

system-specific illustration. See Figure 1-1.

Wait 30 seconds for the heat sink to loosen from the processor.

Release the other heat-sink release lever.

Gently lift the heat sink off of the processor and set the heat sink aside

upside down (thermal grease side facing up).

4Processor Installation

Figure 1-1. Installing and Removing the Heat Sink

CAUTION: The processor is held in its socket under strong pressure. Be aware

that the release lever can spring up suddenly if not firmly grasped.

Position your thumb firmly over the processor socket-release lever and

release the lever from the locked position by pushing down and pulling out

from under the tab. Rotate the lever 90 degrees upward until the processor

is released from the socket. See Figure 1-2.

Use the tab on the processor shield to rotate shield upward and out of

the way. See Figure 1-2.

1 heat sink 2 release lever (2)

NOTE: Your heat sink may appear differently than the one shown above. See your

Hardware Owner’s Manual for a system-specific illustration.

Processor Installation 5

Figure 1-2. Removing a Processor

CAUTION: Be careful not to bend any of the pins on the ZIF socket when removing

the processor. Bending the pins can permanently damage the system board.

Carefully, lift the processor out of the socket and leave the release lever up

so that the socket is ready for the new processor.

After removing the processor, place it in an antistatic container for reuse,

return, or temporary storage. Do not touch the bottom of the processor.

Touch only the side edges of the processor.

If you are permanently removing the processor, you must install a

processor blank and a heat-sink blank in the CPU2 socket to ensure proper

system cooling. Adding the blank is similar to installing a processor.

See "Installing a Processor".

1 socket-release lever 2 processor

3 processor shield 4 ZIF socket

6Processor Installation

Installing a Processor

WARNING: Only trained service technicians are authorized to remove the system

cover and access any of the components inside the system. Before you begin this

procedure, review the safety instructions that came with the system.

NOTE: In a single-processor configuration, the CPU1 socket must be used.

If you are adding a second processor for the first time, remove the heat-

sink blank and the processor blank from the vacant processor socket.

Removing the blank is similar to removing a processor. See "Removing a

Processor".

Remove the processor from the packing material by the processor’s edges

only. Do not touch the bottom of the processor. Handle the processor

carefully with your fingers on the side edges. Place your hand beneath the

processor when you are moving it to the system.

Locate the pin 1 indicator on the system board socket.

Locate the pin 1 indicator on the top of the processor. The pin 1 indicator

is shown as a triangle on the top of the processor. See Figure 1-4.

CAUTION: Positioning the processor incorrectly can permanently damage

the system board or the processor. Be careful not to bend the pins in the socket.

Place the processor over the socket with each pin 1 aligned and level.

See Figure 1-3 and Figure 1-4.

CAUTION: Do not use force to seat the processor. When the processor is

positioned correctly, it engages easily into the socket.

6Align the notches in the

rocessor with the

socket keys on t

he ZIF

socket. See

Figure 1-4.

nstall the processor in the socket. Keep the processor level

(see Figure 1-3) and insert it straight down into the socket.

Allow the

processor to float on the pins, allowing the processor shield to hold it

in place.

Processor Installation 7

Figure 1-3. Keeping the Processor Parallel to the Socket

Figure 1-4. Aligning the Processor with the Socket Keys

1 socket-release lever 2 processor

3 processor shield 4 notch in processor (2)

5 socket key (2) 6 ZIF socket

7 pin 1 indicators (2)

8Processor Installation

Verify that the processor is properly aligned and seated.

Close the processor shield. See Figure 1-5.

otate the socket-release lever down until it snaps into place.

See Figure 1-5.

Figure 1-5. Installing a Processor

Install the heat sink.

NOTE: Your kit may contain a replacement heat sink if you are installing a

processor that consumes additional power. The new heat sink may not appear

different than the original one; however, it has improved thermal dissipation

specifications and must be used.

Using a clean lint-free cloth, remove the thermal grease from the heat

sink.

CAUTION: Applying too much thermal grease can result in excess grease coming

in contact with and contaminating the processor socket.

1 socket-release lever 2 processor

3 processor shield

Processor Installation 9

Open the grease applicator included with your processor kit and apply

all of the thermal grease in the applicator to the center of the topside

of the new processor.

cPlace the heat sink on the processor. See

Figure 1-1

dClose the heat-sink release levers

or replace the screws at the corners

of the heat sink. See your

Hardware Owner’s Manual

for a system-

specific illustration. See Figure 1-1.

Replace the cooling shroud. See "Installing the Cooling Shroud" in the

Hardware Owner’s Manual

Close the system. See "Closing the System" in the

Hardware Owner’s

Manual

Reconnect your system and peripherals to their electrical outlets, and turn

on the system.

Press <F2> to enter the System Setup program, and check that the processor

information

matches the new system configuration. See "Entering the

System Setup Program" in the

Hardware Owner’s Manual

Run the system diagnostics to verify that the new processor operates

correctly.

See "Running the System Diagnostics" in the

Hardware Owner’s Manual

for information about running the diagnostics.

10 Processor Installation

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