Dell PowerEdge 1850 Manual

www.dell.com | support.dell.com

Dell™ PowerEdge™ 1850

and 2850 Systems

Upgrading Your System Board

and Riser Board

D8781bk0.book Page 1 Wednesday, October 6, 2004 3:43 PM

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and PowerEdge 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.

September 2004 P/N D8781 Rev. A00

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Upgrading Your System Board and Riser Board 3

This document describes how to upgrade your system to support PCI-e expansion cards. Your

upgrade kit includes a new system board and riser 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.

NOTE: See your Installation and Troubleshooting Guide for detailed instructions on removing or

replacing components.

Removing and Replacing the System Board and Riser Board

In A Dell™ PowerEdge™ 1850 System

Removing the System Board and Riser Board

If applicable, remove the bezel.

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

outlet and peripherals.

Remove the system from the rack and place it on a work surface.

Remove the system cover.

Remove the SCSI backplane board. See "SCSI Backplane Board" in the

Service-Only Parts

Replacement Procedures

guide on

support.dell.com

Disconnect the fan power cables.

Remove the expansion cards. See "Expansion Cards" in "Installing System Options" in your

Installation and Troubleshooting Guide

Remove the riser board:

Lift the two plastic rivets that secure the riser board insulator, then remove the insulator.

See Figure 1-1.

If a SCSI data cable is connected to the riser board, disconnect the SCSI data cable from

the SCSI data connector on the riser board. See Figure 1-1.

Unlock the riser board cam lever, then lift the riser board from the chassis. See Figure 1-1.

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4Upgrading Your System Board and Riser Board

www.dell.com | support.dell.com

Figure 1-1. Installing and Removing the Riser Board

Remove the memory modules. See "System Memory" in "Installing System Options" in your

Installation and Troubleshooting Guide

NOTE: While removing the memory modules, record the memory module socket locations to ensure

proper installation.

If applicable, remove the RAC card. See "Installing a RAC Card" in "Installing System

Options" in your

Installation and Troubleshooting Guide

If applicable, remove the RAID key.

Remove the power supply(s). See "Power Supplies" in "Installing System Options" in your

Installation and Troubleshooting Guide

Remove the processor(s). See "Processor" in "Installing System Options" in your

Installation

and Troubleshooting Guide

plastic rivet

riser board

SCSI data connector

riser board insulator

riser board cam lever

plastic rivet

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Upgrading Your System Board and Riser Board 5

To remove the system board:

Lift up the blue retention pin and slide the system board towards the front of the system

to disengage the board from the retention tabs on the chassis. See Figure 1-2.

Raise the back edge of the board slightly to clear the chassis, then lift the system board

out of the system.

Figure 1-2. Removing the System Board

Installing the New System Board and Riser Board

Unpack the new system board.

Carefully lower the system board into the chassis until the tabs on the chassis fit through the

corresponding slots in the system board. See Figure 1-2.

Slide the system board towards the back of the chassis until the retention pin engages.

Replace the memory modules in their original locations.

system board

tabs

slots

retention pin

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6Upgrading Your System Board and Riser Board

www.dell.com | support.dell.com

Replace the processor(s).

If applicable, replace the RAC card.

If applicable, replace the RAID key.

Replace the power supply(s).

Install the new riser board provided in your upgrade kit.

Raise the riser board cam lever to a vertical position. See Figure 1-1.

Lower the riser board into position

• The cam lever fits through the opening near the outer edge of the riser board.

• Align the connector on the underside of the riser board with the corresponding

connector on the system board.

When you are certain the riser board is correctly aligned with the system board, carefully

close the cam lever to lock the riser board into place.

If you disconnected the SCSI data cable while removing the riser board, reconnect the

cable to the riser board.

Place the plastic riser board insulator over the riser board and press down on the two plastic

rivets to secure the insulator.

Reconnect the fan power cables.

Replace the SCSI backplane board and reinstall the SCSI hard drives. See "SCSI Backplane

Board" in the

Service-Only Parts Replacement Procedures

guide on

support.dell.com

Reinstall the cover.

If applicable, reattach the bezel.

D8781bk0.book Page 6 Wednesday, October 6, 2004 3:43 PM

Upgrading Your System Board and Riser Board 7

Removing and Replacing the System Board and Riser Board

In A Dell PowerEdge 2850 System

Removing the System Board

If applicable, remove the bezel.

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

outlet and peripherals.

Remove the system from the rack and place it on a work surface.

Remove the system cover.

Remove the front fans.

Remove the expansion cards. See "Expansion Cards" in "Installing System Options" in your

Installation and Troubleshooting Guide

If applicable, disconnect the RAID battery cable from the expansion-card riser board.

Remove the expansion-card cage. See "Removing the Expansion-Card Cage" in "Installing

System Options" in your

Installation and Troubleshooting Guide

Remove the memory module cover.

Remove the memory modules. See "System Memory" in "Installing System Options" in your

Installation and Troubleshooting Guide

NOTE: While removing the memory modules, record the memory module socket locations to ensure

proper installation on the new system board.

Remove the back fans and the back-fan tray.

If applicable, remove the RAC card. See "Installing a RAC Card" in "Installing System

Options" in your

Installation and Troubleshooting Guide

If applicable, remove the RAID key.

Remove the power supply(s). See "Power Supplies" in "Installing System Options" in your

Installation and Troubleshooting Guide

Remove the processor(s). See "Processor" in "Installing System Options" in your

Installation

and Troubleshooting Guide

Raise the drive-bay retraction bar and swing it toward the front of the chassis to disengage the

SCSI backplane from the system board. See Figure 1-3.

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8Upgrading Your System Board and Riser Board

www.dell.com | support.dell.com

Figure 1-3. Removing the System Board

Remove the front-fan tray:

Press and hold the front-fan tray release button.

Slide the front-fan tray to the right until it stops.

Lift the front-fan tray from its three securing posts.

To remove the system board:

Lift up the blue retention pin and slide the system board towards the front of the system

to disengage the board from the retention tabs on the chassis. See Figure 1-3.

Raise the back edge of the board slightly to clear the chassis, then lift the system board

out of the system.

tabs

slots

retention pin

system board

drive-bay

retraction bar

D8781bk0.book Page 8 Wednesday, October 6, 2004 3:43 PM

Upgrading Your System Board and Riser Board 9

Installing the New System Board and Riser Board

Unpack the new system board.

Carefully lower the system board into the chassis until the tabs on the chassis fit through the

corresponding slots in the system board.

Slide the system board towards the back of the chassis until the retention pin engages.

Replace the front-fan tray:

Place the front-fan tray over the three securing posts.

Slide the front-fan tray to the left until it locks into position.

Replace the front fans.

Raise the drive-bay retraction bar and rotate it toward the back of the chassis until it is

completely flush with the top of the drive cage. See Figure 1-3.

Replace the memory modules.

Replace the memory module cover.

Replace the processor(s).

If applicable, replace the RAC card.

If applicable, replace the RAID key.

Replace the back-fan tray and the back fans.

Replace the power supply(s).

Replace the riser board in the expansion-card cage with the new riser board. See "Upgrading

the Dell PowerEdge 2850 Expansion-Card Riser Board."

Reinstall the expansion-card-cage. See "Replacing the Expansion-Card Cage" in "Installing

System Options" in your

Installation and Troubleshooting Guide

If applicable, reconnect the RAID battery cable to the riser board. See Figure 1-4.

Reinstall the cover.

If applicable, reattach the bezel.

Upgrading the Dell PowerEdge 2850 Expansion-Card Riser Board

If applicable, remove the RAID memory module from the expansion-card riser board.

Press both release tabs on the expansion-card guide and swing open the guide. See Figure 1-4.

D8781bk0.book Page 9 Wednesday, October 6, 2004 3:43 PM

10 Upgrading Your System Board and Riser Board

www.dell.com | support.dell.com

Figure 1-4. Removing the Expansion-Card Riser Board From a Dell PowerEdge 2850 System

Remove the expansion-card riser board:

Pull the riser retention pin. See Figure 1-4.

While pulling the retention pin, slide the riser board away from the expansion card

openings.

Lift the expansion-card riser board from the six securing tabs.

Place the riser board in the expansion-card cage so that the tabs are fully inserted in the slots

on the riser board. See Figure 1-4.

Slide the riser board toward the expansion card openings until you feel the riser-board

retention pin snap into place.

Close the expansion-card guide.

If applicable, reinstall the RAID memory module onto the riser board.

retention pin

expansion-card

guide release

tabs (2)

expansion-card

guide

expansion-card riser board

expansion

card

openings

tabs

slots

RAID

memory

module

connector

RAID

battery

connector

D8781bk0.book Page 10 Wednesday, October 6, 2004 3:43 PM

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