System Security Screen - Dell DR4100 Owner's Manual

Menu Item Description
Memory Patrol Scrub Allows you to set the memory patrol scrub frequency. By default, the Memory Patrol Scrub
option is set to Standard.
Memory Refresh Rate Allows you to set the memory refresh rate. By default, the Memory Refresh Rate option is set to
1x.
Memory Operating Allows you to set the DIMM voltage selection. When set to Auto, the system automatically sets
Voltage 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.
Collaborative CPU When set to enabled, the CPU power management is controlled by the OS DBPM and the
Performance Control System DBPM (DAPC). By default, the option is set to Disabled

System Security Screen

Menu Item Description
Intel AES-NI The Intel AES-NI option improves the speed of applications by performing encryption and
decryption using the Advanced Encryption Standard Instruction Set and is set to Enabled by
default.
System Password Allows you to set the system password. This option is set to Enabled by default and 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: This option can be disabled only if the C States option in Custom mode is disabled.
NOTE: 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.