Reference Guide

BIOS.SysSecurity.AcPwrRcvryUserDelay (Read or Write)
Description
Controls the duration for which the power-on process is delayed after the AC power supply is restored.
The value is only effective if AC Power Recovery Delay is set to User Defined. The valid range is between
60s and 240s.
Not supported on blades.
Legal Values
N/A
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.SysSecurity.AesNi (Read or Write)
Description
Indicates the status of the Intel Processor AES-NI feature. AES-NI improves the speed of applications by
performing encryption and decryption using the Advanced Encryption Standard Instruction Set.
Legal Values
Disabled
Enabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.SysSecurity.AuthorizeDeviceFirmware (Read or Write)
Description
When set to Enabled, this field adds the SHA-256 hash of each third-party device firmware to the Secure
Boot Authorized Signature Database. After the hashes are added, the field automatically reverts to
Disabled. Note: This field is read-only unless Secure Boot is Enabled and Secure Boot Policy is Custom.
This field is available only in secure system management consoles.
Legal Values
Enabled
Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.SysSecurity.BiosUpdateControl (Read or Write)
Description
When set to Unlocked, all BIOS update will be allowed. When set to Limited, local BIOS updates from DOS
or UEFI shell based flash utilities, or from Lifecycle Controller User Interface are prohibited. Limited is
recommended for environments that do not require local BIOS updates. These environments include
Remote Enablement Update or executing Update Package from the OS.
Legal Values
Unlocked
Limited
BIOS Attributes 347