Dell Precision WorkStation 420 Memory Upgrade Procedure page 5

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This document provides instructions for upgrading the Rambus inline memory mod-

ules (RIMMs) on the Dell Precision WorkStation 420.

NOTES: Dell recommends that only a technically knowledgeable person perform this

procedure.

Dell recommends that you read the entire procedure before you begin. You must also

be familiar with removing the system cover and locating the RIMMs.

Dell recommends that you print the contents of the system User's Guide for

referencing important information that may not be available during critical procedures.

This document is available on your Dell Precision ResourceCD and can also be

accessed from the User's Guides icon on your desktop if you have not reinstalled the

operating system.

You must upgrade the basic input/output system (BIOS) before you upgrade the

RIMMs. Otherwise, the existing BIOS may not recognize the new RIMMs, and the

system will not operate.

To upgrade the BIOS:

Download the BIOS update utility for the computer to be updated from the Dell

support website.

Go to http://support.dell.com.

If this is your first time to use this website, complete the one-time

registration.

Click Downloads for Your Dell.

Enter your Service Tag Number for the computer to be updated or select the

appropriate Dell

Select the appropriate operating system (OS) and language for the computer

to be updated.

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system.

System Memory Upgrade

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