This is a general maintenance release utility for updating firmware for SAS and SATA drives. It is a re-release of the previous version with additional firmware updates.

This is for use on PowerEdge platforms that support UEFI boot mode for SAS and SATA drive updates. Please refer to DOS firmware update utility for older platforms. Current DOS release is A42.

Fixes & Enhancements

See attached release notes.


Version SAS, A05


SAS Drive

Release date

05 Feb 2013

Last Updated

28 Oct 2013


Available formats

File Format:Hard-Drive
File Name:NautilusA05UEFI_ZPE.exe
Download Type:HTTP
File Size: 30 MB
Format Description:This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
File Format:Rel-Notes-Text
File Name:readme.txt
Download Type:HTTP
File Size: 31 KB
Format Description:This file format contains plain text which can be viewed with a standard text editor.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Other versions
A19,A19 31 Jul 20178:57:24 PM
A13,A13 12 Jan 20159:40:51 PM
A12,A12 09 May 20145:11:54 PM
A11,A11 12 Dec 20135:55:10 PM
A10,A10 11 Sep 20131:58:49 PM
A08,A09 07 Aug 20132:18:45 PM
A07,A08 30 Jul 20135:29:23 PM
A07,A07 03 May 20139:15:38 PM
SAS,A06 15 Mar 20132:28:38 PM
SAS,A04 06 Dec 20127:10:39 PM
SAS,A03 16 Nov 20123:47:32 PM
SAS,A02 25 Oct 20127:03:22 PM
A01,A01 06 Aug 20128:34:14 PM
Applies to
Dell SAS/SATA Hard Drive EFI Firmware Utility
Installation instructions

1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.


1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.

1) Click Download now.
The File Download window appears.

2) Click the Save button.
The Save As window appears.

3) Select Desktop using the drop-down menu to the right of Save in.

4) Click the Save button.
A progress meter moves as the download is completed.

5) If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

6) Double click the Icon on your desktop for the newly saved file.

Reboot will be required
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).