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: O790-A22.exe
File size: 5.58 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 3d4ae526e756a3bc7cecb31de83cdcac
SHA1: d41e1a6fcc00c7feb984136487423bce94aa4a5e
SHA-256: 588d81e6467cf348a836f9b734d8e31c7eb82cb34f11dc3284678fff07335ca1
Fixes & Enhancements
Fixes:
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
Enhancements:
- Not applicable.
Important Information
If BIOS version A04 or earlier is currently installed on your system, you must first update to BIOS version A05 and then update to the latest BIOS. If BIOS version A05 or later and BIOS versions before A10 is currently installed on your system, you must first update to BIOS version A10 and then update to the latest BIOS.
Supported Operating Systems
Installation instructions
Updating the BIOS through Windows
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.
3. Browse to the location where you downloaded the file and double-click the new file.
Windows System will restart automatically and update BIOS at the system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.
Updating the BIOS from a DOS environment with 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.
DOS System will restart automatically and update BIOS at system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.
Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option Disabled)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 key and go to General > Boot Sequence > Boot > Boot List Option.
3. Change UEFI to Legacy of Boot List Option.
4. Go to 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.
DOS System will restart automatically and update BIOS at system startup screen.
After the BIOS update is finished, system will reboot automatically.
7. Go to BIOS Setup by pressing F2 key and go to General > Boot Sequence > Boot > Boot List Option.
8. Change Legacy to UEFI Boot Option.
9. Go to Exit > Save Changes and reboot system.
Note 1: You must provide a bootable DOS USB drive. This executable file does not create the DOS system files.
Note 2: Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If you do not enable BitLocker on your system, you can ignore this step.