Dell PowerEdge R940 EMC Installation and Service Manual - Page 57
System Security, Viewing System Security, System Security Settings details
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Option Intel Persistent Memory CR QoS Intel Persistent Memory Performance Setting Description Controls the tuning recipe for Quality of Service (QoS) knobs. Disabled by default. Method 1 is recommended for 2-2-2 memory configurations in App-Direct. Method 2 is recommended for other memory configurations in App-Direct. Method 3 is recommended for 1 DIMM per channel configurations. Controls the thresholds that trigger switching between near (RDIMM/LRDIMM) and far (DCPMM) memory. BW Optimized, selected by default, optimizes for RDIMM/LRDIMM and DCPMM bandwidth. Latency Optimized offers better RDIMM/LRDIMM latency in the presence of DCPMM. Balanced Profile optimizes performance with Memory Mode configured DCPMM. System Security You can use the System Security screen to perform specific functions such as setting the system password, setup password and disabling the power button. Viewing System Security To view the System Security screen, perform the following steps: Steps 1. Power on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click System Security. System Security Settings details About this task The System Security Settings screen details are explained as follows: Option Description CPU AES-NI Improves the speed of applications by performing encryption and decryption by using the Advanced Encryption Standard Instruction Set (AES-NI). This option is set to Enabled by default. System Password Enables 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 Enables you to set the system setup password. This option is read-only if the password jumper is not installed in the system. Password Status Enables you to lock the system password. This option is set to Unlocked by default. TPM Security NOTE: The TPM menu is available only when the TPM module is installed. TPM Information TPM Status TPM Command Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by default. You can only modify the TPM Status TPM Activation, and the Intel TXT fields if the TPM Status field is set to either On with Pre-boot Measurements or On without Pre-boot Measurements. Enables you to change the operational state of the TPM. This option is set to No Change by default. Specifies the TPM status. Controls the Trusted Platform Module (TPM). When set to None, no command is sent to the TPM. When set to Activate, the TPM is enabled and activated. When set to Deactivate, the TPM is disabled and deactivated. When set to Clear, all the contents of the TPM are cleared. This option is set to None by default. Pre-operating system management applications 57
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