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.

Dell Latitude E6220 System BIOS, A02

Dell Latitude System BIOS A02

Fixes & Enhancements

BIOS Release Notes

Systems: Dell Latitude E6220 Series
Version: A02
Release Date: 15 JUL 2011

1. Fix Forced Boot to CD support for Sandybridge UMA Platforms
2. Correct INT13 handler for ATA mode when system is under virtual x86 mode
3. Fixed All 250GB drives show as 249GB in the BIOS.
4. Fixed HDD slow performance with POINTSEC software installed
5. Fixed DellGPE Blinking Cursor Issue.
6. Fixed USB handoff sequence broken issue
7. Fixed easily hang if write data and save on Hitachi HDD under DOS w/ AHCI mode.
8. Fixed Auto reboot when booting to USB unbootable ODD from Boot Menu
9. Fixed MEBx still can be entered by pressing Ctrl-P during POST after ME disabled
10. Fixed USB Key can't boot to DRMK with SAS HDD attached
11. Fixed After disable NIC in BIOS menu, the BIOS menu will show wrong MAC address
12. Fixed TPM function "Clear" can't clear owner info.
13. Fixed GrassLake-Non-persistent cannot change boot order after remotely reboot
14. Fixed AMT_SetBIOS command cant Change 10 BIOS attributes one by one
15. Create and Define SMBIOS Token to manage Control WLAN/WWAN Radio
16. Update Gpe Orom 1.02.
17. Update to latest Intel microcode patch (MOB_P_11)
18. Support KillTPM feature and token.
19. Added Flash Updated Improvement: Signed Firmware Update Transition BIOS.
20. DellGPE: System set to ATA or AHCI mode prompts message on every boot
21. DellGPE: Cato board SSVID and SSID values are zero
22. Updated Intel System Agent reference code to 1.2.0
23. Updated Intel PCH Reference Code to 1.2
24. Updated Intel PPM Reference Code to v1.2.1.1
25. Updated Vida EC to Disable ITP_ENABLE option
26. Added DA token to enable Signed FW update.
27. Updated EC to support DellGPE.

The BIOS release has been validated on the following operating systems:
1. Microsoft Windows 7
2. Microsoft Windows Vista Service Pack 2
3. Microsoft Windows XP Service Pack 3



Version A02, A02



Release date

18 Apr 2013

Last Updated

29 Apr 2013


Available formats

File Format: Windows/DOS
File Name: E6220A02.exe
Download Type: HTTP
File Size: 5.52 MB
Format Description:
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
Not available
Not available

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

Dell Latitude E6220
Installation Instructions for the Universal (Windows/ DOS) format

1. Download file to Desktop

2. Use one of the methods below to flash the Bios.

Run the BIOS update utility from Windows environment

Run the BIOS update utility from DOS environment (Non-Windows users)

Download file to Desktop

The file E6220A02.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.

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.

NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.

Run the BIOS update utility from Windows environment

1. Double click the Icon on your desktop labeled E6220A02.exe.The Dell BIOS Flash window appears

2. Click the Continue button.The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.

3. Click the OK button.The system will restart and the BIOS Flash will be completed.

Run the BIOS update utility from DOS environment (Non-Windows users)
NOTE: You will need to provide a bootable DOS DOS USB key. This executable file does not create the DOS system files.

1. Copy the file E6220A02.exe to a bootable DOS USB key.

2. Boot from the floppy to the DOS prompt.

3. Run the file by typing Y:\E6220A02.exe (where y is the drive letter where the executable is located).

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