Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Server System BIOS, A05

AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
PowerEdge 1855, BIOS, A05
Recommended

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Fixes & Enhancements

* Fixed the Unreported I/O failure in HCT 12.1 with Microsoft(R) Windows Server(TM) 2003 SP1.
* Fixed slow download of WinPE ISO via RIS when USB keyboard/mouse is attached.
* Added progress indicator for BIOS Flash Utility.
* Fixed the system booting security issue in the BIOS Setup.
* Changed BIOS copyright dates to 2006.
* Fixed the CD-ROM INT13h function 48 device parameter reporting issue.
* Fixed the CD-ROM INT13h function 8 device parameter reporting issue.
Read More

Version

A05, A05

Release date

14 Jun 2006

Download Type

System BIOS

Category

BIOS

Importance

Urgent
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats

File Format: Update Package for MS Windows 32-Bit
File Name: PE1855_BIOS_WIN_A05_1.EXE
File Size: 5.28 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.
MD5:
142936F9D136223AEEF36057742EECB9
SHA1:
Not available
SHA-256:
Not available

File Format: One or more self extracting disk images inside of a self extracting zip
File Name: BR127316.exe
File Size: 710.23 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, then 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.
MD5:
12fc60a8ff0136960c72dfd92e218289
SHA1:
Not available
SHA-256:
Not available

File Format: A GnuPG file which contains a cryptographic signature
File Name: PE1855_BIOS_LX_A05_1.BIN.sign
File Size: 194 Bytes
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
The GnuPG signature for Red Hat Linux Update Package can be used to authenticate Dell's identity in the correlated Red Hat Linux Update Package.
To ensure the integrity of your download, please verify the checksum value.
MD5:
C59F89B3C1B1DD7F6D194F528FF1CF58
SHA1:
Not available
SHA-256:
Not available

File Format: Flash BIOS executable
File Name: PE1855-BIOSA05c.EXE
File Size: 454.04 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
aa1bd5c0ae6d6c623b707e71411099a5
SHA1:
Not available
SHA-256:
Not available

File Format: Update Package for Red Hat Linux
File Name: PE1855_BIOS_LX_A05_1.BIN
File Size: 3.83 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
To ensure the integrity of your download, please verify the checksum value.
MD5:
8EBC8BD10026A6837E82536E8AE47983
SHA1:
Not available
SHA-256:
Not available

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

Additional details

Show All | Hide All
Instructions for BR127316.exe


NOTE: In order to create this diskette, this file must be downloaded to and executed on a system running Microsoft Windows.

Download

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.

Installation

1. Browse to the location where you downloaded the file.
2. Run the executable file by double-clicking on the icon.
3. Click the Setup button.
4. Follow the directions to create the FlashBIOS update diskette.
5. Insert the created FlashBIOS update diskette in the target system.
6. Reboot the system.
7. When prompted, press the Y key to execute the FlashBIOS update.
8. Remove the diskette and reboot system.


Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.

Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.





Dell Update Package Instructions for PE1855_BIOS_LX_A05_1.BIN:

Download
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.

Installation
1. Read over the release information presented by executing the "./PE1855_BIOS_LX_A05_1.BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./PE1855_BIOS_LX_A05_1.BIN" from the shell.
5. Follow the remaining prompts to perform the update.


GnuPG Signature of Dell Update Package Instructions for PE1855_BIOS_LX_A05_1.BIN.sign:

Download
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.

Installation
1. Import the Dell public key. (You only need to do once on your system.)
2. Verify the Dell Update Package by using its signature file, PE1855_BIOS_LX_A05_1.BIN.sign

Dell Update Package Instructions for PE1855_BIOS_WIN_A05_1.EXE:

Download
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.

Installation
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. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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