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: T5810A29.exe
File size: 9.46 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: b9586a390cad5b28e9527f5e239a347b
SHA1: ecc4507a16952d4808deef7832c63f7a5eb782d0
SHA-256: 70ba8cb5f0558a51c3a2eafd670bba5e46997cc4598316d5c3d25462f962a64f
Fixes & Enhancements
- Firmware updates to address the Intel security advisory INTEL-SA-00141 (CVE-2018-3616).
- Added a feature where the BIOS Master Password can be reset when locked out of the system.
- Fixed the issue where the system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS pre-boot password) prompt.
Important Information
The BIOS version A11 and all earlier releases are incompatible with Intel Xeon E5-16xx/26xx-v4 CPUs (Broadwell). To downgrade the BIOS from version A12 or later (minimum revision to support Broadwell) to versions earlier than A11, you must update the BIOS to version A11 first. It is due to some significant changes required to enable v4 (Broadwell) CPUs. This step also simultaneously enables Xeon E5-16XX/26XX v3 (Haswell) CPUs and v4 (Broadwell) CPUs BIOS to stay in one BIOS stream. All versions of the Broadwell CPU enabled BIOS (A12+) understand how to migrate the Haswell settings. There are no upgrade restrictions. It is the only v3 (Haswell) BIOS with v4 (Broadwell) downgrade logic in place.
Supported Operating Systems
Installation instructions
Updating the BIOS from Windows
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Download and Installation
1. Click Download File, to download the file.
2. 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.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Updating the BIOS from BIOS Boot Menu (independent of operating system)
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.
Applies to
Dell Precision Tower 5810 Bios
Dell Precision Tower 5810XL Bios