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: E5520A13.exe
File size: 2.9 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 5d3d1afff4b10c545e88e8355bef4bee
SHA1: dbb155e6f431e3e0a6607630900f7501bc5faef6
SHA-256: 10b44d9bd518c7a4e18d3de33e336165301a134265f8fcab7a533fa5e4d1c468
Fixes & Enhancements
Fixes
- Addressed Trusted Execution issue with CCTK on non-TPM configuration.
- Addressed external USB keyboard LED abnormal issue.
- Addressed UEFI OS fail boot with HDD password present issue.
Enhancements
- Updated to the 1.5.33 version of the Intel PXE OROM.
Important Information
1. Please note that if the A00 or A01 BIOS is currently installed on your system, you must first update to A02 BIOS and then flash to the latest A-rev 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 (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: If you are using the DOS method to install this BIOS, 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.
Reboot will be required