Dell POWEREDGE R520 User Manual

Dell PowerEdge R520 And

PowerEdge R420 Systems

Second Processor

Installation–Information

Update

Notes, Cautions, and Warnings

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

your computer.

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

data and tells you how to avoid the problem.

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

injury, or death.

__________________

Information in this document is subject to change without notice.
© 2012 Dell Inc. All rights reserved.

Reproduction of these materials 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 publication 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.

2012 - 05 Rev. A00

Overview

This document provides important information for installing the second
processor in Dell PowerEdge R520 and PowerEdge R420 systems.

Before You Begin

To install a second processor in your system, you must ensure that you have:

• Replaced the dummy fan in the FAN 6 slot with a cooling fan.

For more information on replacing the fan, see "Removing a Cooling Fan"
and "Installing a Cooling Fan" in the relevant Owner’s Manual on

support.dell.com

• Upgraded the riser cards as indicated in the table below:

Table 1-1. Riser Upgrade Information

.

PowerEdge
System

R520 Riser1_1P: One half-height,

half-length x4 link

Riser2_1P:

• One full-height, full-length x8
link

• Two full-height, half-length x4
link

R420 Riser1_1P: One half-height,

half-length x4 link

Riser2_1P: One full-height,
half-length x16 link

From To

Upgrade

Riser1_2P: One half-height,
half-length x16 link

Riser2_2P:

• One full-height, full-length x8
link

• Two full-height, half-length x8
link

Riser1_2P: One half-height,
half length x16 link

Same as Riser2_1P

For more information on replacing the riser cards, see "Expansion Cards
and Expansion-Card Risers"
Manual at

NOTE: When selecting or upgrading your system configuration, verify the system

power consumption with the Dell Energy Smart Solution Advisor at dell.com/ESSA
to ensure optimum power utilization.

support.dell.com

and "Technical Specifications" in the Owner’s

.

Additonal Processor Installation 3