Owners Manual
Table Of Contents
- Dell EMC DSS8440 Installation and Service Manual
- Contents
- About this document
- DSS8440 system overview
- Technical specifications
- Chassis dimensions
- Chassis weight
- Processor specifications
- PSU specifications
- Cooling fans specifications
- System battery specifications
- Expansion card riser specifications
- GPU specifications
- Memory specifications
- Drive specifications
- Ports and connectors specifications
- Environmental specifications
- System diagnostics and indicator codes
- Initial system setup and configuration
- 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
- Boot Settings
- Viewing Boot Settings
- Choosing system boot mode
- Changing boot order
- Network Settings
- Viewing Network Settings
- Network Settings screen details
- UEFI iSCSI Settings
- Viewing UEFI iSCSI Settings
- UEFI iSCSI Settings 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
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- System cover
- Front bezel
- Air shroud
- Drives
- Drive backplane
- Power supply unit
- Expansion cards and expansion card risers
- Removing a GPU
- Installing a GPU
- Removing a GPU support bracket
- Installing a GPU support bracket
- Removing the PCIe switch board
- Installing the PCIe switch board
- Removing a GPU power interposer board
- Installing a GPU power interposer board
- Removing a butterfly module and riser 3 board
- Installing the riser 3 board and butterfly module
- Nvidia Tesla T4 GPU
- Nvidia A100 GPU and NVLink bridge
- Nvidia A40 GPU and NVLink bridge
- Processor and heat sink
- System memory
- Riser 2 module
- Riser 1 module
- Network daughter card
- System board tray module
- System board and power interposer board
- Backup battery
- Power distribution board
- PSB power interposer board
- Front control module
- Fan louvers
- Cooling fans
- Fan cage
- Handle
- Slide rail installation
- Cable Routing
- Dell EMC DSS8440 cable instruction
- 3M cable Installation-Config A left
- 3M cable Installation-Config A right
- Fan cable assembly to fan bracket
- Fan cable MB-PDB assembly to MB
- Fan cable MB-PDB assembly to PDB
- Front control cable assembly control board to MB
- GPU power cable assembly GPU card to PSB
- IDC cable MB-PDB assembly to PDB
- IDC cable MB-PDB assembly to MB
- IDC cable PDB-PIB assembly to PIB
- IDC cable PIB-PDB assembly to PDB
- IDC cable Riser1-PDB assembly to PDB
- IDC cable Riser1-PDB assembly to riser board1
- IDC cable PIB-PDB assembly to PDB
- IDC cable Riser 2- PDB assembly to riser board 2
- Mini SAS HD cable assembly PERC-HDBP
- Mini SAS HD cable assembly HDBP-MB
- Power cable BP-PDB assembly to BP
- Power cable BP-PDB assembly to PDB
- Power cable assembly to PDB
- Power cable assembly to PIB
- Power cable1 assembly to Riser1
- Power cable2 Riser-PDB assembly to PDB
- Power cable2 Riser-PDB assembly to Riser
- Jumpers and connectors
- Getting help
Option Description
Power Button Enables you to set the power button on the front of the system. This option is set to Enabled by default.
AC Power
Recovery
Sets how the system behaves after AC power is restored to the system. This option is set to Last by
default.
AC Power
Recovery Delay
Enables you to set the time that the system should take to power up after AC power is restored to the
system. This option is set to Immediate by default.
User Defined
Delay (60 s to
240 s)
Enables you to set the User Defined Delay option when the User Defined option for AC Power
Recovery Delay is selected.
UEFI Variable
Access
Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables
are accessible in the operating system per the UEFI specification. When set to Controlled, selected UEFI
variables are protected in the environment, and new UEFI boot entries are forced to be at the end of the
current boot order.
In-Band
Manageability
Interface
When set to Disabled, this setting will hide the Management Engine's (ME), HECI devices, and the
system's IPMI devices from the operating system. This prevents the operating system from changing the
ME power capping settings, and blocks access to all in-band management tools. All management should
be managed through out-of-band. This option is set to Enabled by default.
NOTE: BIOS update requires HECI devices to be operational and DUP updates require IPMI interface
to be operational. This setting needs to be set to Enabled to avoid updating errors.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image by using the certificates in the
Secure Boot Policy. Secure Boot is set to Disabled by default.
Secure Boot
Policy
When Secure Boot policy is set to Standard, the BIOS uses the system manufacturer key and certificates
to authenticate pre-boot images. When Secure Boot policy is set to Custom, the BIOS uses the user-
defined key and certificates. Secure Boot policy is set to Standard by default.
Secure Boot
Mode
Enables you to configure how the BIOS uses the Secure Boot Policy Objects (PK, KEK, db, dbx).
If the current mode is set to Deployed Mode, the available options are User Mode and Deployed
Mode. If the current mode is set to User Mode, the available options are User Mode, Audit Mode, and
Deployed Mode.
Options Description
User Mode
In User Mode, PK must be installed, and BIOS performs signature verification on
programmatic attempts to update policy objects.
The BIOS allows unauthenticated programmatic transitions between modes.
Audit Mode
In Audit mode, PK is not present. BIOS does not authenticate programmatic
updates to the policy objects, and transitions between modes.
Audit Mode is useful for programmatically determining a working set of policy
objects.
BIOS performs signature verification on pre-boot images and logs the results in the
image Execution Information Table, but approves the images whether they pass or
fail verification.
Deployed Mode
Deployed Mode is the most secure mode. In Deployed Mode, PK must be
installed and the BIOS performs signature verification on programmatic attempts
to update policy objects.
Deployed Mode restricts the programmatic mode transitions.
Secure Boot
Policy Summary
Specifies the list of certificates and hashes that secure boot uses to authenticate images.
Secure Boot
Custom Policy
Settings
Configures the Secure Boot Custom Policy. To enable this option, set the Secure Boot Policy to
Custom.
36 Pre-operating system management applications