Download Files
File Format: 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.
File Name: O3020A03.exe
File size: 4.57 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 728f90438a1236d59b57eaacdb7b4688
SHA1: e73157a3336031b37c4978de4c01f8fea4d787a1
SHA-256: 4fff2ff774480d219650b62a91d47b11e1c0e6d68a29e4b224c8b7c696d4d811
Fixes & Enhancements
Fixes
- Addressed RAID token issue.
- Fixed Serial/Parallel card is detected as an unclassified card.
- Fixed system might be hang up when running DBRA (Dell Backup and Recovery Application).
Enhancements
- Updated Intel RC to 1.7.1.0
- Updated Intel MEFW to 9.1.0.1120
- Updated Intel CPU microcode.
- Supported One Time Boot Order for ePSA
- Changed the default to enable for Multi-Display feature in BIOS menu.
- Added help descriptions for enable UEFI network stack in BIOS menu.
Important Information
We do not allow you to downgrade to A02 BIOS.
Supported Operating Systems
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 if Legacy Boot Mode(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.
Run the BIOS update utility from DOS environment if UEFI boot mode with Load Legacy Option disabled (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General-Boot Sequence - Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply","Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. DOS system will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit Save Changes" and reboot system.
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Note 1: You will need to provide a bootable DOS USB key. This executable file does not createthe 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.
Reboot will be required