Dell PowerEdge 1950: Installing System Components

Cooling Fan Modules

This system contains four cooling fan modules, each comprised of two dual-rotor fans, for a total of eight fans

that are connected directly to the system board.

Removing a Cooling Fan Module

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

NOTE: The procedure for removing each individual fan module is the same.

1

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and

peripherals.

2

Open the system. See "Opening and Closing the System" on page 46.

NOTE: You can remove the fan modules without removing the memory cooling shroud; however, Dell

recommends that you remove this shroud before removing a fan module. Do not remove the system board cooling

shroud.

See "Removing the Memory Cooling Shroud" on page 52.

3

Raise the fan handle, disconnect the module wire harness from the system board, and pull the fan straight

up to clear the chassis. See Figure 3-4.

4

Unplug the fan module connector.

48 Installing System Components

Figure 3-4. Removing and Installing a Cooling Fan

2

3

1

4

5

1 cooling fan modules (4) 2 fan module handles 3 module wire harness

4 cooling fan module connector 5 system board cooling shroud

Replacing a Cooling Fan Module

NOTE: The procedure for installing each individual fan is the same.

1

Ensure that the fan handle is upright and lower the fan into its retention base until the fan is fully seated.

Then lower the fan handle until it snaps into place. See Figure 3-4.

2

Attach the fan module connectors.

3

If you removed the memory cooling shroud to access the fan modules, replace the shroud. See "Replacing

the Memory Cooling Shroud" on page 53.

4

Close the system. See "Opening and Closing the System" on page 46.

Installing System Components 49

Removing the Plastic Fan Guide

NOTE: The plastic fan guide is mounted to the chassis between the fans.

NOTE: You may need to remove the system from the rack.

1

Remove the cooling fan modules. See "Removing a Cooling Fan Module" on page 48.

2

Remove the system from the rack. See the Rack Installation Guide for your system.

3

Place the system upside-down on a flat surface.

4

Using a #2 Phillips screwdriver, remove the two screws from the bottom of the chassis that secure the fan

bracket.

5

Turn the system right-side up, place it on a flat surface, and then remove the fan bracket.

Replacing the Plastic Fan Guide

1

While the system is out of the rack, and with the top cover removed, place the system on its side on a flat

surface.

2

Place the fan bracket into its location inside the chassis.

3

Holding the fan bracket in place, use a #2 Phillips screwdriver to replace the two screws on the bottom of

the chassis.

4

Place the system right-side up on a flat surface.

5

Replace the cooling fan modules. See "Replacing a Cooling Fan Module" on page 49.

6

Replace the system in the rack. See the Rack Installation Guide for your system.

Cooling Shrouds

Your system contains two cooling shrouds.

• System board cooling shroud

• Memory cooling shroud

System Board Cooling Shroud

The

system board cooling shroud directs airflow over the system memory modules, channeling the air from the

four fan modules. See Figure 3-5.

50 Installing System Components

Figure 3-5. System Board Cooling Shroud

1

1 system board cooling shroud

Removing the System Board Cooling Shroud

1

If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

2

Turn off the system and attached peripherals, and then disconnect the system from the electrical outlet.

3

Open the system. See "Opening the System" on page 46.

4

Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.

5

Remove both the center and left risers from the system board. See "Removing an Expansion-Card Riser"

on page 82.

6

Press the tabs on the front side of the shroud (nearest to the processors), and then lift the shroud up and

away from the system.

Installing the System Board Cooling Shroud

1

Align the back of the shroud to the front of the posts of the center and rear card risers on the motherboard.

2

Press down gently on the front of the shroud until it engages with the plastic tabs on the motherboard.

3

Place the center and left risers. See "Installing an Expansion-Card Riser" on page 83.

4

Replace the memory cooling shroud. See "Replacing the Memory Cooling Shroud" on page 53.

5

Close the system. See "Closing the System" on page 47.

Installing System Components 51

6

If applicable, replace the bezel. See "Removing and Replacing the Front Bezel" on page 45.

7

Attach any peripherals, connect the system to the electrical source, and then turn on the system.

Memory Cooling Shroud

The memory cooling shroud covers both the memory modules (DIMMs) and the processors. This shroud can be

removed and installed. See Figure 3-6 and "System Board Removal" on page 91.

Removing the Memory Cooling Shroud

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

CAUTION: The memory modules are hot to the touch for some time after the system has been powered down.

Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges

and avoid touching the components on the memory module.

NOTICE: Never operate your system with the memory cooling shroud removed. Overheating of the system can

develop quickly resulting in a shutdown of the system and the loss of data.

1

To remove the cooling shroud, locate the release tab on the shroud edge that is nearest to the adjacent

system board shroud. See Figure 3-6.

2

Pull up on the release tab to release the memory cooling shroud.

3

Unseat the shroud from the securing tabs located on the periphery of the shroud.

4

Carefully lift the shroud straight up to disengage it from the system board, and then lift the shroud away

from the system.

52 Installing System Components

Figure 3-6. Memory Cooling Shroud

1

2

3

4

1 memory cooling shroud 2 memory shroud release tab 3 memory modules (8)

4 system processors (2)

Replacing the Memory Cooling Shroud

1

To install the memory cooling shroud, align the shroud directly over the memory modules and the

processors.

2

Using the interior system board cooling shroud as a guide, slowly lower the shroud straight down onto the

system, directly over the processors and memory modules.

3

Gently press around the periphery of the shroud until it engages with the external tabs and snaps into

place.

Power Supplies

Your system supports one or two power supplies rated at an output of 670 W. If only one power supply is

installed, it must be installed in the left power supply bay (bay 1). If two power supplies are installed, the

second power supply serves as a redundant, hot-plug power source.

NOTICE: In a non-redundant configuration, the power supply blank must be installed in the unoccupied power

supply bay to ensure proper system cooling. See "Installing the Power Supply Blank" on page 56.

Installing System Components 53

Removing a Power Supply

NOTICE: The system requires one power supply for the system to operate normally. The system is in the

redundant mode when two power supplies are installed and both power supplies are connected to an AC power

source. Remove and replace only one power supply at a time in a system that is powered on. Operating the system

with only one power supply installed and without a power supply blank installed for extended periods of time can

cause the system to overheat.

NOTICE: If only one power supply is installed, it must be installed in the left power supply bay (1).

NOTICE: If you connect the system to a power source in the range of 120 to 220 VAC, and if two power supplies

are installed, the second power supply serves as a redundant, hot-plug power source.

NOTE: On your rack system, you may have to unlatch and lift the cable management arm if it interferes with

power supply removal. For information about the cable management arm, see the system’s Rack Installation

Guide.

1

If your system has a single power supply, turn off the system and all attached peripherals. For a redundant

system, you can leave the system running and proceed to the next step.

2

Disconnect the power cable from the power source.

3

Disconnect the power cable from the power supply and remove the cable from the cable retention bracket.

NOTICE: On a rack system, you may need to temporarily unlatch and lift the cable management arm. For

information about the cable management arm, see the system’s Rack Installation Guide.

4

Release the locking tab on the left side of the power supply by pressing in toward the right until the power

supply is released from the chassis. See Figure 3-7.

5

Holding the power-supply handle, pull the power supply straight out to clear the chassis.

54 Installing System Components

Figure 3-7. Removing and Installing a Power Supply

3

1

2

4

5

6

7

1 power-supply 2 power-supply handle 3 cable retention bracket

4 power supply blank 5 power-supply bay 2 (optional) 6 redundant power supply bay 1

7 locking tab

Replacing a Power Supply

1

If you are adding a second power supply, remove the power supply blank. See "Removing a Power

Supply" on page 54.

2

Holding the power-supply handle, slide the new power supply into the chassis until it is fully seated and

contacts the system chassis. See Figure 3-7.

NOTICE: On a rack system, you may need to temporarily unlatch and lift the cable management arm. For

information about the cable management arm, see the system’s Rack Installation Guide.

3

Insert the power cable through the cable retention bracket, connect the power cable to the power supply,

and plug the cable into a power outlet.

NOTICE: For more information about the power cable retention bracket, see the Getting Started With Your

System guide.

NOTE: After installing a new power supply in a system with two power supplies, allow several seconds for the

system to recognize the power supply and determine its status. The power-supply status indicator turns green to

signify that the power supply is functioning properly (see Figure 1-4).

Installing System Components 55

Removing the Power Supply Blank

Press the latch on the left side to release and remove the blank, rotating the blank slightly to clear the bay,

and remove from the chassis.

NOTICE: To ensure proper system cooling, the power supply blank must be installed on the unoccupied power

supply bay in a non-redundant configuration. Remove the power supply blank only if you are installing a second

power supply.

Installing the Power Supply Blank

To install the power supply blank, insert the tab on the right edge of the blank into the slot in the power

supply bay wall. Rotate the blank into the power supply bay until it is fully seated.

SAS Controller Daughter Card

Your system includes a dedicated slot on the sideplane for an optional SAS controller daughter card. The

SAS controller daughter card provides the SAS storage subsystem for your system’s two optional internal

hard drives. The optional SAS RAID controller daughter card allows you to set up any internal hard drives

in a RAID configuration.

Removing a SAS Controller Daughter Card

1

If you are removing a SAS RAID controller daughter card, disconnect the battery cable from the card by

releasing the tab on the cable connector on the daughter card. See Figure 3-26.

2

Pull on the release latch on the daughter card (see Figure 3-8) and slide the daughter card tray towards the

hard drives.

3

Continue to hold the guide rails outward as you pull the SAS controller daughter card upward from the

rails.

Installing a SAS Controller Daughter Card or SAS RAID Controller Daughter Card

NOTICE: If you are installing a SAS RAID daughter card, be careful not to press on the memory module on the

card (see Figure ). to avoid damaging the memory module or its socket.

NOTICE: If you are installing a new or replacement SAS RAID daughter card, do not remove the card’s plastic

cover until you have completed installing the card.

1

Hold the metal daughter card tray by its edges with the release latch and edge connector facing the

sideplane board. See Figure 3-8.

2

Align the two slots in the daughter card tray and the corresponding tabs on the chassis, then lower the card

tray onto the chassis.

3

Slide the daughter card tray towards the sideplane until the edge connector on the daughter card fits into

the socket on the sideplane board and the release latch engages. See Figure 3-8.

56 Installing System Components

Figure 3-8. Installing a SAS Controller Daughter Card

4

3

2

5

1

6

7

8

1 SAS controller daughter card

2 sideplane 3 daughter card socket

and tray assembly

4 release latch 5 RAID battery connector (SAS

6 RAID memory module

RAID controller daughter card

(DIMM) (SAS RAID

only)

controller daughter card only)

7 SAS RAID connector 0 (to

8 alignment slots in card tray (2)

backplane SAS A)

4

Attach any cables from the internal storage daughter card to the backplane, referring to Figure 3-9 and

Figure 3-10 for the cabling guidelines for your system’s card and backplane configuration.

NOTICE: You must follow the cabling diagrams for connecting the hard drives to either of the internal storage

daughter cards that are illustrated in the following figures to ensure proper connection. Figure 3-9 illustrates the

cable routing for the SAS controller daughter card and Figure 3-10 illustrates the cable routing for the SAS RAID

controller daughter card.

Installing System Components 57

Each channel consists of two memory module sockets:

• Channel 0 contains DIMM_1, DIMM_5.

• Channel 1 contains DIMM _2, DIMM_6.

• Channel 2 contains DIMM_3, DIMM_7.

• Channel 3 contains DIMM _4, DIMM _8.

The first DIMM socket of each channel has white release tabs.

General Memory Module Installation Guidelines

To ensure optimal performance of your system, observe the following guidelines when configuring your

system memory.

• Use only qualified FBDs. FBDs can be either s

ingle-ranked

or d

ual-ranked

. FBDs m

arked with a 1R are

single

-r

anked and modules marked with a 2R are dual

-r

anked.

• A minimum of two identical FBDs must be installed.

• DIMM sockets must be populated by lowest number first.

• Memory modules m

ust be installed in pairs of matched memory size, speed, and technology

, and the

total number of memory modules in the configuration must total two, four, or eight. For best system

performance, all four, or eight memory modules should be identical in size, speed, and technology.

•Memory sp

aring and

memory m

irroring require

e

ight memory, and all memory modules must be of

identical memory size, speed, and technology.

• Memory sparing and memory mirroring cannot be implemented at the same time.

Non-Optimal Memory Configurations

System performance can be affected if your memory configuration does not conform to the preceding

installation guidelines. Your system may issue an error message during startup stating that your memory

configuration is non-optimal.

Memory Sparing Support

The system supports memory sparing if eight identical memory modules are installed in the system. The

memory sparing feature must be enabled in the System Setup program and can be used only if memory

mirroring is not enabled.(See "Using the System Setup Program" on page 31.)

Memory sparing allocates four ranks of DIMM memory to the spare bank. These four ranks consist of the

first rank of memory in DIMM sockets 1 through 4. For single-rank DIMMs, the entire capacity of the four

DIMMs is allocated to sparing whereas for dual-rank DIMMs, only half of the four-DIMM capacity is

allocated to sparing. Table 3-1 shows how memory sparing splits the available and spared memory in each

of the single- and dual-ranked memory module combinations.

64 Installing System Components

Table 3-1. Memory Sparing Configurations

DIMMs Size/Type Total Memory Available Spare

8 256-MB single-rank 2 GB 1 GB 1 GB

512-MB single-rank 4 GB 2 GB 2 GB

1-GB single-rank 8 GB 4 GB 4 GB

2-GB single-rank 16 GB 8 GB 8 GB

2-GB dual-rank 16 GB 12 GB 4 GB

4-GB dual-rank 32 GB 24 GB 8 GB

Memory Mirroring Support

The system supports memory mirroring if eight identical memory modules are installed in the system.

Mirroring must be enabled in the System Setup program and can be used only if memory sparing is not enabled.

(See "Using the System Setup Program" on page 31.) In a mirrored configuration, the total available system

memory is one-half of the total installed memory.

Installing Memory Modules

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

CAUTION: The memory modules are hot to the touch for some time after the system has been powered down.

Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges

and avoid touching the components on the memory module.

1

Open the system. See "Opening and Closing the System" on page 46.

2

Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.

3

Locate the memory module sockets. See Figure 6-2.

4

Press the ejectors on the memory module socket down and out, as shown in Figure 3-13, to allow the

memory module to be inserted into the socket.

5

Handle each memory module only on either card edge, ensuring not to touch the middle of the memory

module.

Installing System Components 65

Figure 3-13. Installing and Removing a Memory Module

1

2

3

1 memory module 2 memory module socket

3 alignment key

ejectors (2)

6

Align the memory module's edge connector with the alignment key of the memory module socket, and

insert the memory module in the socket.

NOTE: The memory module socket has an alignment key that allows you to install the memory module in

the socket in only one way.

7

Press down on the memory module with your thumbs while pulling up on the ejectors with your index

fingers to lock the memory module into the socket.

When the memory module is properly seated in the socket, the ejectors on the memory module socket

align with the ejectors on the other sockets that have memory modules installed.

8

Repeat step 3 through step 7 of this procedure to install the remaining memory modules. See Table 3-1.

9

Replace the memory cooling shroud. See "Replacing the Memory Cooling Shroud" on page 53.

10

Close the system. See "Opening and Closing the System" on page 46.

11

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

System Memory

setting on the main

System Setup

screen.

The system should have already changed the value to reflect the newly installed memory.

12

If the value is incorrect, one or more of the memory modules may not be installed properly. Repeat step 1

through step 11 of this procedure, checking to ensure that the memory modules are firmly seated in their

sockets.

13

Run the system memory test in the system diagnostics. See "Running the System Diagnostics" on

page 111.

66 Installing System Components

Removing Memory Modules

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

CAUTION: The memory modules are hot to the touch for some time after the system has been powered down.

Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges

and avoid touching the components on the memory module.

1

Open the system. See "Opening and Closing the System" on page 46.

2

Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.

3

Locate the memory module sockets. See Figure 6-2.

4

Press down and out on the ejectors on each end of the socket until the memory module pops out of the

socket. See Figure 3-13.

Handle each memory module only on either card edge, ensuring not to touch the middle of the memory

module.

5

Replace the memory cooling shroud. See "Replacing the Memory Cooling Shroud" on page 53.

6

Close the system. See "Opening and Closing the System" on page 46.

Activating the Integrated NIC TOE

To add TCP/IP Offload Engine (TOE) or iSCSI TOE functionality to the system's integrated NIC, install the

appropriate TOE or iSCSI TOE NIC hardware key in the TOE_KEY socket on the system board. S

ee

Figure 6-2.

Processors

You can upgrade your processor(s) to take advantage of future options in speed and functionality. Each

processor and its associated internal cache memory are contained in a land grid array (LGA) package that is

installed in a ZIF socket on the system board.

The following items are included in the processor upgrade kit:

• Processor

• Heat sink

Removing the Processor

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Prior to upgrading your system, download the latest system BIOS version on

support.dell.com

.

Installing System Components 67

2

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

outlet.

3

Open the system. See "Opening and Closing the System" on page 46.

4

Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.

NOTICE: When you remove the heat sink, the possibility exists that the processor might adhere to the heat sink

and be removed from the socket. It is recommended that you remove the heat sink while the processor is warm.

NOTICE: 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.

NOTICE: The processor and heat sink can become extremely hot. Be sure the processor has had sufficient time

to cool before handling.

5

Press the blue tab on the end of one of the heat-sink retention levers to disengage the lever, then lift the

lever 90 degrees. See Figure 3-14.

Figure 3-14. Installing and Removing the Heat Sink

1

2

3

1 heat sink 2 heat-sink retention lever (2) 3 retention lever latch

68 Installing System Components

6

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

7

Open the other heat sink retention lever.

8

If the heat sink has not separated from the processor, carefully rotate the heat sink in a clockwise, then

counterclockwise, direction until it releases from the processor. Do not pry the heat sink from the

processor.

9

Lift the heat sink off of the processor and set the heat sink upside down so as not to contaminate the

thermal grease.

10

Pull the socket-release lever 90 degrees upward until the processor is released from the socket. See

Figure 3-15.

11

Rotate the processor shield upward and out of the way.

Figure 3-15. Installing and Removing the Processor

3

4

5

2

1

6

1 socket key (2) 2 notch in processor 3 processor shield

4 processor 5 socket-release lever 6 ZIF socket

12

Lift the processor shield to release the processor, and then lift the processor out of the socket. Leave the

release lever up so that the socket is ready for the new processor.

NOTICE: Be careful not to bend any of the pins on the LGA socket when removing the processor. Bending the

pins can permanently damage the socket and system board.

Installing System Components 69

Installing a Processor

1

Unpack the new processor.

2 Align the

p

rocessor with the

socket keys on t

he ZIF socket

. See Figure 3-15.

3

I

nstall the processor in the socket.

NOTICE: Positioning the processor incorrectly can permanently damage the system board or the processor when

you turn the system on.

a If the release lever on the processor socket is not positioned all the way up, move it to that position.

b With the

p

rocessor and

the

socket

keys

aligned, set the processor lightly in the socket.

NOTICE: Do not use force to seat the processor. When the processor is positioned correctly, it engages easily

into the socket.

c

W

hen the processor is fully seated in the socket, rotate the socket release lever back down until it

snaps into place, securing the processor.

See Figure 3-15.

d

Close the processor shield. See Figure 3-15.

4

Install the heat sink.

NOTE: If you did not receive a replacement heat sink, use the heat sink that you removed in step 9.

a

If you receive a heat sink and pre-applied thermal grease with your processor kit, remove the

protective sheet from the thermal grease layer on top of the heat sink.

If you did not receive a replacement heat sink with your processor kit, do the following:

• Using a clean lint-free cloth, remove the existing thermal grease from the heat sink you removed

in step 9.

• Open the grease packet included with your processor kit and apply thermal grease evenly to the

top of the processor.

b Place the heat sink onto the processor. See

Figure 3-14

.

c Close one of the two heat sink retention levers until it locks. See

Figure 3-14

.

d

Repeat for the other heat sink retention lever.

5

Close the system. See "Closing the System" on page 47.

As the system boots, it detects the presence of the new processor and automatically changes the system

configuration information in the System Setup program.

6

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

matches the new

system configuration.

See "Using the System Setup Program" on page 31 for instructions about using the System Setup program.

7

Run the system diagnostics to verify that the new processor operates correctly.

See "Running the System Diagnostics" on page 111 for information about running the diagnostics.

70 Installing System Components

RAC Card

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

The optional Remote Access Controller (RAC) provides a set of advanced features for managing the server

remotely. The following procedure describes the steps for installing or removing the optional RAC card.

Installing a RAC Card

1

Turn off the system, including any attached peripherals, and then disconnect the system from the electrical

outlet.

2

Open the system. See "Opening the System" on page 46

3

If applicable, remove the plastic filler plug from the system back panel. See Figure 3-16.

4

Remove any PCI cards attached to the center riser. See "Removing an Expansion Card" on page 62.

5

Remove the center riser card from the system board. See "Expansion-Card Riser" on page 82.

6

Angle the RAC card so that its NIC connector inserts through the back-panel RAC card opening, aligning

the card with the back standoff.

Figure 3-16. Installing and Removing a RAC Card

2

1

3

6

4

5

1 RAC card 2 RAC-card connectors (2) 3 filler plug location

4 back standoff 5 front standoffs (2) 6 RAC-card cable connectors

Installing System Components 71

7

Align the front edge of the RAC card with the front plastic retention standoffs, and then press down on the

front of the card until it is fully seated. See Figure 3-16.

When the front of the card is fully seated, the front plastic standoffs snap over the front edge of the card.

8

Connect the two small cables (44-pin cable and 50-pin cable), ensuring that connector labeled "Planar" is

attached to the appropriate system board connector and the connector labeled "DRAC" is attached to the

appropriate RAC card connector.

9

Replace the center riser card. See "Expansion-Card Riser" on page 82.

10

Replace any PCI cards that were removed from the center riser. See "Installing an Expansion Card" on

page 61.

11

Close the system. See "Closing the System" on page 47.

12

Reconnect the system and peripherals to their power sources, and then turn them on.

See the RAC card documentation for information on configuring and using the RAC card.

Removing the RAC Card and Cables

1

Turn off the system, including any attached peripherals, and then disconnect the system from the electrical

outlet.

2

Open the system. See "Opening the System" on page 46.

3

Remove any PCI cards attached to the center riser. See "Removing an Expansion Card" on page 62.

4

Remove the center riser card from the system board. See "Expansion-Card Riser" on page 82.

5

Remove the RAC card cables from the system board connectors by pressing the metal tabs inward and

then pulling up.

6

Remove the RAC card cables from the RAC connectors by pressing the metal tabs inward and then

pulling up.

7

Remove the RAC card by pressing outwardly on the front standoffs, and then lifting the RAC card up and

out of the system.

8

Replace the center riser card. See "Expansion-Card Riser" on page 82.

9

Replace any PCI cards that were removed from the center riser. See "Installing an Expansion Card" on

page 61.

10

Close the system. See "Closing the System" on page 47.

11

Reconnect the system and peripherals to their power sources, and then turn them on.

72 Installing System Components

Optical Drive

The optional slimline optical drive is mounted on a tray that slides into the front panel and connects to the

controllers on the system board through the sideplane board.

NOTE: DVD devices are data only.

Removing the Optical Drive Tray

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Turn off the system, including any attached peripherals, and then disconnect the system from its electrical

outlet.

2

Remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

3

Open the system. See "Opening and Closing the System" on page 46.

4

Remove the SAS controller daughter card. See "Removing a SAS Controller Daughter Card" on page 56.

5

Disconnect the optical-drive cable from the back of the drive. See Figure 3-17.

6

To remove the optical drive, press forward on the blue tray release tab, and then slide the drive tray out of

the system. See Figure 3-17.

Installing System Components 73

Figure 3-20. Installing a SATA Hard Drive Into a SATA Drive Carrier

2

1

3

1 screws (4) 2 SATA drive carrier 3 SATA hard drive

Installing a SATA Hard Drive and Interposer Card Into a SATAu Hard-Drive Carrier

NOTE: When you install a SATA hard drive into a SATAu drive carrier, you must install an interposer card onto

the back of the hard drive. The SATAu drive carrier is labeled "SATAu" and also has marks indicating the SAS and

SATA mounting screws.

1 Insert the SATA hard drive into the SATAu hard-drive carrier with the connector end of the drive at the

rear. See

Figure 3-21

.

2 Viewing the assembly as shown in

Figure 3-21, a

lign the bottom rear screw hole on the hard drive with

the hole labeled "SATAu" on the hard drive carrier.

When aligned correctly, the rear of the interposer will be flush with the rear of the hard-drive carrier.

3 Attach the four screws to secure the hard drive to the hard-drive carrier. See

Figure 3-21.

80 Installing System Components

4

Attach the interposer card to the rear of the SATA hard drive:

a

Angle the top of the interposer card into the inside top carrier rail so that the tabs on the interposer

card bracket attach to the slots on the inside of the carrier rail.

See

Figure 3-21.

b

Rotate the bottom end of the card toward the hard drive to seat the connector.

See

Figure 3-21.

c

Push the bottom end of the card towards the hard drive until the latch on the card bracket clicks into

place.

Figure 3-21. Installing a SATA Hard Drive and Interposer Card Into a SATAu Drive Carrier

1

2

3

4

5

1 screws (4) 2 SATAu drive carrier 3 interposer card (SATA only)

4 SATA hard-drive 5 hole labels

Installing System Components 81

Expansion-Card Riser

Removing an Expansion-Card Riser

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

2

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3

Open the system. See "Opening and Closing the System" on page 46.

Figure 3-22. Expansion-Card Riser Removal

3

2

1

4

8

7

6

5

1 left riser board 2 left riser board release

3 left riser board alignment

latches (2)

pins (2)

4 left riser board connectors (2) 5 center riser board connector 6 center riser board alignment

pins (2)

7 center riser board 8 center riser board release latch

82 Installing System Components

4

If applicable, remove the expansion card from the riser.

5

Press the release latch(es) on the riser board and lift the riser board straight up from the system board. See

Figure 3-22.

The left riser board has two release latches; the center riser board has one latch.

Installing an Expansion-Card Riser

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Align the riser board with the alignment pins on the system board, then lower the board onto the pins.

2

Press down on the riser board until the edge connector(s) on the board is (are) fully seated in the riser

board connector on the system board. See Figure 3-22.

3

If applicable, install the expansion card in the expansion-card slot.

4

Close the system. See "Opening and Closing the System" on page 46.

5

Replace the bezel. See "Removing and Replacing the Front Bezel" on page 45.

6

Reconnect your system and peripherals to their electrical outlets, and turn on the system.

Backplane Board

Removing the Backplane Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

The removal procedure varies slightly, depending on which backplane board you have in your system.

1

If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

2

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3

Open the system. See "Opening and Closing the System" on page 46.

4

Remove the hard drives.

NOTICE: To properly reinstall the hard drives, ensure that you record which hard drive you remove from

which bay.

5

Disconnect the SAS cable and power cable from the backplane.

– If you are removing a 3.5-inch hard drive (two-drive) backplane, see Figure 3-23.

– If you are removing a 2.5-inch hard drive (four-drive) backplane, see Figure 6-4.

Installing System Components 83

6

Remove the backplane board:

– If you are removing a 3.5-inch hard drive (two-drive) backplane, press the release latch at the left end

of the board, slide the board to its right, and lift the backplane off of the securing tabs. See

Figure 3-23.

– If you are removing a 2.5-inch hard drive (four-drive) backplane, press the release latch at each end of

the backplane and lift the backplane off of the securing tabs. See Figure 6-4.

Figure 3-23. 2.5-Inch Hard Drive Backplane Board Removal and Installation

1

2

6

3

5

4

1 backplane board release latch 2 backplane board 3 securing slots

4 securing tabs 5 SAS interface cable 6 power cable

84 Installing System Components

Installing the Backplane Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Replace the backplane board:

– If you are installing a 3.5-inch hard drive (two-drive) backplane, fit the board onto the securing tabs,

press the release latch at the left end of the board and slide the board to its left. See Figure 3-23.

– If you are installing a 2.5-inch hard drive (four-drive) backplane, fit the board onto the securing tabs

on the back of the drive cage and slide the board downwards until the release latch at each end of the

backplane clicks into place. See Figure 6-4.

2

Connect the SAS cable and power cable to the backplane connectors.

3

Reinstall the hard drives.

NOTE: Reinstall the hard drives in the same drive bays from which they were removed.

4

Close the system.

5

If applicable, replace the bezel.

Sideplane Board

Removing the Sideplane Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

2

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3

Open the system. See "Opening and Closing the System" on page 46.

4

Remove the SAS controller daughter card. See "Removing a SAS Controller Daughter Card" on page 56.

5

Disconnect the control panel cable and optical drive cable (if applicable) from the sideplane. See

Figure 6-8.

6

Press inward on the two sideplane release latches marked in blue and lift the sideplane up and away from

the system board.

Installing System Components 85

Installing the Sideplane Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Align the guide on the end of the sideplane board with the pins on the system board, and lower the

sideplane until that the sideplane connector is fully seated into the connector on the system board.

2

Connect the control panel cable and optical drive cable (if applicable) to the sideplane. See Figure 6-8.

3

Replace the SAS controller daughter card. See "Installing a SAS Controller Daughter Card or SAS RAID

Controller Daughter Card" on page 56.

4

Close the system. See "Opening and Closing the System" on page 46.

5

Replace the bezel. See "Removing and Replacing the Front Bezel" on page 45.

6

Reconnect your system and peripherals to their electrical outlets, and turn on the system.

System Battery

The system battery is a 3.0-volt (V), coin-cell battery.

Replacing the System Battery

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only

with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the

manufacturer's instructions. See your System Information Guide for additional information.

1

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

outlet.

2

Open the system. See "Opening and Closing the System" on page 46.

3

If an expansion card is installed in the left riser board, remove the card. See "Removing an Expansion

Card" on page 62.

4

Locate the battery socket. See Figure 3-24.

NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with

the object. Ensure that the object is inserted between the battery and the socket before you attempt to pry out the

battery. Otherwise, you may damage the system board by prying off the socket or by breaking circuit traces on the

system board.

NOTICE: To avoid damage to the battery connector, you must firmly support the connector while installing or

removing a battery.

86 Installing System Components

5

Remove the system battery.

a

Support the battery connector by pressing down firmly on the positive side of the connector.

b

While supporting the battery connector, press the battery toward the positive side of the connector and

pry it up out of the securing tabs at the negative side of the connector.

Figure 3-24. Replacing the System Battery

2

1

3

1 positive side of battery

2 system battery 3 negative side of battery

connector

connector

NOTICE: To avoid damage to the battery connector, you must firmly support the connector while installing or

removing a battery.

6

Install the new system battery.

a

Support the battery connector by pressing down firmly on the positive side of the connector.

b

Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the

connector.

c

Press the battery straight down into the connector until it snaps into place.

7

If you removed an expansion card in step 3, replace the card now. See "Installing an Expansion Card" on

page 61.

8

Close the system. See "Opening and Closing the System" on page 46.

9

Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

10

Enter the System Setup program to confirm that the battery is operating properly. See "Using the System

Setup Program" on page 31.

11

Enter the correct time and date in the System Setup program's

Time

and

Date

fields.

12

Exit the System Setup program.

13

To test the newly installed battery, turn off the system and disconnect it from the electrical outlet for at

least an hour.

Installing System Components 87

14

After an hour, reconnect the system to its electrical outlet and turn it on.

15

Enter the System Setup program and if the time and date are still incorrect, see "Getting Help" on

page 125 for instructions on obtaining technical assistance.

Control Panel Assembly

Removing the Control Panel

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

If applicable, remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.

2

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3

Open the system. See "Opening and Closing the System" on page 46.

4

Remove the SAS controller daughter card. See "Removing a SAS Controller Daughter Card" on page 56.

5

Disconnect the control panel cable at the back of the control panel board. See Figure 3-25.

NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.

a

Squeeze the metal tabs on the ends of the cable connector.

b

Gently work the connector out of the socket.

6

Disconnect the front panel cable from the control panel board. See Figure 3-25.

7

Lift the release tab at the back of the control panel carrier and slide the carrier towards the back of the

system, then lift the carrier out of the system. See Figure 3-25.

8

Remove the three screws that secure the control panel board to the carrier and remove the board. See

Figure 3-25.

9

Remove the display module:

a

Insert the end of a paper clip into the hole on the right side of the display module and gently pry the

label off.

b

Using a T10 Torx driver, remove the two screws that secure the display module to the system chassis.

See Figure 3-25.

c

Remove the display module from the chassis cutout.

88 Installing System Components

Figure 3-25. Control Panel Removal and Installation

4

1

2

3

5

6

9

8

7

1 display module 2 display module LCD cable 3 control panel circuit board

4 control panel cable 5 control-panel circuit board

6 control panel carrier release

securing screws (3)

tab

7 control panel carrier 8 display module label 9 display module securing

screws (2)

Installing the Control Panel

CAUTION: Many repairs may only be done by a certified service technician. You should only perform

troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or

telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your

warranty. Read and follow the safety instructions that came with the product.

1

Insert the display module into the chassis cutout and secure it with the two screws.

2

Affix the control panel label to the display module.

3

Install the control panel board on the carrier, and secure it with the three Phillips screws. See Figure 3-25.

4

Install the carrier in the system chassis.

5

Connect the display module ribbon cable to the control panel board.

6

Connect the control panel ribbon cable to the control panel board.

Installing System Components 89