Reference Guide
Table Of Contents
- Dell EMC PowerEdge C6420 BIOS and UEFI Reference Guide
- Contents
- Pre-operating system management applications
- Options to manage the pre-operating system applications
- System Setup
- Viewing System Setup
- System Setup details
- System BIOS
- Viewing System BIOS
- System BIOS Settings details
- System Information
- Viewing System Information
- System Information details
- Memory Settings
- Viewing Memory Settings
- Memory Settings details
- Processor Settings
- Viewing Processor Settings
- Processor Settings details
- SATA Settings
- Viewing SATA Settings
- SATA Settings details
- NVMe Settings
- Viewing NVMe Settings
- NVMe Settings details
- Boot Settings
- Viewing Boot Settings
- Boot Settings details
- Choosing system boot mode
- Changing boot order
- Network Settings
- Viewing Network Settings
- Network Settings screen details
- Integrated Devices
- Viewing Integrated Devices
- Integrated Devices details
- Serial Communication
- Viewing Serial Communication
- Serial Communication details
- System Profile Settings
- Viewing System Profile Settings
- System Profile Settings details
- System Security
- Viewing System Security
- System Security Settings details
- Creating a system and setup password
- Using your system password to secure the system
- Deleting or changing system and setup password
- Operating with setup password enabled
- Redundant OS Control
- Viewing Redundant OS Control
- Redundant OS Control screen details
- Miscellaneous Settings
- Viewing Miscellaneous Settings
- Miscellaneous Settings details
- iDRAC Settings utility
- Device Settings
- Dell Lifecycle Controller
- Boot Manager
- PXE boot
Option Description
Link Power
Management
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
Enables you to select the tunning Method 1 for QoS knobs and is recommended for 2-2-2 memory
configuration in active directory, Method 2 for QoS knobs and is recommended for other memory
configuration in active directory or Method 3 for QoS knobs and is recommended for 1 DIMM per channel
configuration. This option is set to Disabled by default.
Intel Persistent
Memory
Performance
Setting
Enables you to select the NVMe performance settings depending on the workload behavior. If this option
is set to BW Optimized, the performance is optimized for DDR and DDRT bandwidth. If this option is set
to Latency Optimized, the performance is better DDR latency. This option is set to BW Optimized by
default.
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 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.
Pre-operating system management applications 19