Dell PowerEdge MX740c EMC PowerEdge MX740c Installation and Service Manual - Page 33

System Security, Viewing System Security, System Security Settings details

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Option Description NOTE: This option can be disabled only if the C States option in the Custom mode is set to disabled. NOTE: When C States is set to Enabled in the Custom mode, changing the Monitor/Mwait setting does not impact the system power or performance. CPU Interconnect Bus Link Power Management Enables or disables the CPU Interconnect Bus Link Power Management. This option is set to Enabled by default. PCI ASPM L1 Link Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default. Power Management Intel Persistent Memory CR QoS Controls the tuning function 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. Intel Persistent Memory Performance Setting 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. Turn 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 Sets 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. Pre-operating system management applications 33

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Option
Description
NOTE:
This option can be disabled only if the
C States
option in the
Custom
mode is set to
disabled
.
NOTE:
When
C States
is set to
Enabled
in the
Custom
mode, changing the Monitor/Mwait setting
does not impact the system power or performance.
CPU
Interconnect Bus
Link Power
Management
Enables or disables the CPU Interconnect Bus Link Power Management. This option is set to
Enabled
by
default.
PCI ASPM L1 Link
Power
Management
Enables or disables the PCI ASPM L1 Link Power Management. This option is set to
Enabled
by default.
Intel Persistent
Memory CR QoS
Controls the tuning function 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.
Intel Persistent
Memory
Performance
Setting
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.
Turn 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
Sets 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.
Pre-operating system management applications
33