Dell R420 manual Overview, Before You Begin

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		Upgrade
System
	From	To
R520	Riser1_1P: One half-height,	Riser1_2P: One half-height,
	half-length x4 link	half-length x16 link
	Riser2_1P:	Riser2_2P:

•One full-height, full-length x8 link

•Two full-height, half-length x4 link

•One full-height, full-length x8 link

•Two full-height, half-length x8 link

R420	Riser1_1P: One half-height,	Riser1_2P: One half-height,
	half-length x4 link	half length x16 link
	Riser2_1P: One full-height,	Same as Riser2_1P
	half-length x16 link

For more information on replacing the riser cards, see "Expansion Cards and Expansion-Card Risers" and "Technical Specifications" in the Owner’s Manual at support.dell.com.

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.

Additonal Processor Installation

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