# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Deploying UEFI-Aware Operating Systems on Dell PowerEdge Servers User Guide and Specifications

Summary

This white paper discusses deploying UEFI-aware operating systems on Dell PowerEdge servers. It covers UEFI fundamentals, differences between BIOS and UEFI boot modes, boot options, automatic deployment methods, and Dell's UEFI implementation benefits including enhanced security and faster boot times. Target users are system administrators planning UEFI-based OS deployments on Dell servers.

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Deploying UEFI‐Aware Operating  Systems on Dell™ Power Edge™  Servers 

By Anand Joshi, Bill Munger, Mark Shutt,  Thomas Cantwell, and John Sieber 

Page Summary Contents For Deploying UEFI-Aware Operating Systems on Dell PowerEdge Servers User Guide and Specifications

Page 1 Deploying UEFI‐Aware Operating  Systems on Dell™ Power Edge™  Servers  By Anand Joshi, Bill Munger, Mark Shutt,  Thomas Cantwell, and John Sieber 
Page 2 THIS WHITE PAPER IS FOR INFORMATIONAL PURPOSES ONLY, AND MAY CONTAIN TYPOGRAPHICAL ERRORS AND  TECHNICAL INACCURACIES. THE CONTENT IS PROVIDED AS IS, WITHOUT EXPRESS OR IMPLIED WARRANTIES OF  ANY KIND...
Page 3 Table of Contents  History ................................................................................................................................................................... 2  What i...
Page 4 History  In the mid‐1990s during the development of Intel’s Itanium‐based system, PC BIOS limitations (for example, 16‐bit  processor mode, 1 MB addressable space, PC AT hardware dependencies, etc.) h...
Page 5 What UEFI has to Offer  The primary goal of UEFI is to define an architecture that can scale with time and to offer structured coding  environment allowing easy enablement of new technology. The main ...
Page 6 Differences between BIOS and UEFI Boot Modes  The following table highlights the differences between the boot modes. Boot Mode  Feature  BIOS  UEFI  Operating System Support  Compatible with operating...
Page 7 Booting to a Removable Media Device  To make a removable device bootable, the UEFI application simply needs to be renamed to BOOTx64.EFI (case  insensitive) and placed in the \EFI\BOOT directory.   Wh...
Page 8 Option  this menu.  Change Boot Order  Allows the boot priority of the boot options to be modified.  One‐Time Boot From File  Provides a menu similar to that of Add Boot Option, but does not add the  ...
Page 9 Deploying a UEFI‐Aware Operating System  Once the hardware and firmware support UEFI, the operating system needs to be redesigned to support UEFI.   UEFI is still an emerging technology and standard, ...
Page 10 expected.  Dell recommends that you contact your application vendors for all mission‐critical applications to  ensure they work in the UEFI environment.  Limitations  This section explains potential p...

Manual Details

Brand Dell
Pages 10
File Size 187.31 KB
Published June 29, 2026
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Frequently Asked Questions

What are the benefits of using UEFI over traditional BIOS?

UEFI eliminates inherent GPT partition redundancy and allows data partitions to exceed 2TB.

How must imaging utilities handle disks for compatibility?

Utilities need to recreate the GUID (Globally Unique Identifier) using a GPT partitioning scheme when copying from one disk to another.

What needs to be done if hard drives with OS are transferred?

When transferring a hard disk, Dell keeps a copy of the OS boot option on the drive itself so the new system can use it automatically.