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: 1540A04.EXE
File size: 2.66 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: bf15c16d59db635cb15b8b1eb6cb9ed8
SHA1: 26cfb4ea33616b20bb2f2c9274f16f3ff7a2e007
SHA-256: 29e5e2e5808ba3887ce8dcb807e769c405d3c7219186360ea0c6433f5b59f01f
Fixes & Enhancements
Fixes
- Removed "resume bypass" item in BIOS setup menu.
Enhancements
- Enhanced Security for BIOS bypass function.
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 "Boot > Boot List Option"
3. Change "UEFI" to "Legacy" of Boot List Option
4. Go to "Exit > Exit 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 pressing F2 and go to "Boot > 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 create the DOS system files.
Note 2: Please makesure 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