System Security Screen - Dell PowerEdge M820 Owner's Manual

Menu Item Description
Memory Patrol Allows you to set the memory patrol scrub frequency. By default, the Memory
Scrub Patrol Scrub option is set to Standard.
Memory Refresh Allows you to set the memory refresh rate. By default, the Memory Refresh Rate
Rate option is set to 1x.
Memory Operating Allows you to set the DIMM voltage selection. When set to Auto, the system
Voltage automatically sets the system voltage to the optimal setting based on the DIMM
capacity and the numbers of DIMMs installed. By default, the Memory Operating
Voltage option is set to Auto.

System Security Screen

Menu Item Description
Intel AES-NI The Intel AES-In option improves the speed of applications by performing
encryption and decryption using the Advanced Encryption Standard set and is set
to Enabled by default.
System Password Allows you to set the system password. This option is read-only if the password
jumper is not installed in the system.
Setup Password Allows you to set the setup password. This option is read-only if the password
jumper is not installed in the system.
Password Status Allows you to lock the system password. By default, the Password Status option is
set to Unlocked.
TPM Security Allows you to control the reporting mode of the Trusted Platform Module (TPM).
By default, the TPM Security option is set to Off. You can only modify the TPM
Status, TPM Activation , and Intel TXT fields if the TPM Status field is set to either
On with Pre-boot Measurements or On without Pre-boot Measurements.
TPM Activation Allows you to change the operational state of the TPM. By default, the TPM
Activation option is set to No Change.
TPM Status Displays the TPM status.
TPM Clear
Allows you to clear all the contents of the TPM. By default, the TPM Clear option is
set to No.
Intel TXT Allows you enable or disable Intel Trusted Execution Technology. To enable Intel
TXT, Virtualization Technology must be enabled and TPM Security must be enabled
with Pre-boot measurements. By default, the Intel TXT option is set to Off.
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NOTE: When C state is enabled, the Monitor/Mwait sub-option must also be
enabled. This field allows you to enable Monitor/Mwait instructions. Disable
this option if you disable the C States option in the Custom mode. When C
States is enabled in Custom mode, changing the Monitor/Mwait setting does
not impact system power/performance.
CAUTION: Clearing the TPM results in loss of all keys in the TPM. The loss of
TPM keys may affect booting to the operating system.