Driver Details

Dell Latitude E6420 System BIOS

This package provides the Dell System BIOS update and is supported on Latitude E6420 / E6420 ATG model running the following Operating Systems: Windows and DOS.

Version

  • Version A08, A08

Compatibility

Supported Operating Systems
  • BIOS

Applies to

Dell Latitude E6420/E6420;

Date

Release date
05 Dec 2011
Last Updated
03 Apr 2014

Importance

Recommended. 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).

Available formats

File Format:Windows/DOS
File Name:E6420A08.exe
Download Type:HTTP
File Size: 5MB
Format DescriptionThis file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from Windows 8, Windows 7, Windows XP, Windows 2000, NT, Windows 9X, Windows ME or a MS DOS environment.
Added to download list
Go to [{0}]
To ensure the integrity of your download, please verify the checksum value.
MD5:
17192d4f8b4e2c57c239264851cac55d
SHA1:
Not available
SHA-256:
Not available

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


Important Information

Note:
1. Please note that if the A04 or before A04 BIOS is currently installed on your system
you must first update to A05 BIOS and then flash to the latest A-rev BIOS.

Fixes & Enhancements

Fixes/Enhancements
------------------
1. Fixed issue where Intel Turbo boost non-functional.
2. Fixed issue where TDM PBA SSO doesn't work when both FP and TDM PBA SSO are set for single user.
3. Addressed some keyboard with USB Hub not accessible during POST.
4. Updated to the 1.4.0 version of Intel PPM Reference Code.
5. Updated to the MOB_P_13 version of the Intel microcode patch.
6. Intel Trusted Execution Technology updates
7. Updated to the 1.05 version of Dell GPE.
8. Added new key for Signed Firmware Updates.

Note:
1. Please note that if the A04 or before A04 BIOS is currently installed on your system,
you must first update to A05 BIOS and then flash to the latest A-rev BIOS.

Installation instructions

BIOS Update Executable for Windows/DOS

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

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Run the BIOS update utility from DOS environment (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

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