Dell PowerEdge T40 EMC Installation and Service Manual - Page 23

Updating the BIOS

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Option Description • Trusted Execution - This option is disabled by Default setting. Table 13. Maintenance Option Service Tag Asset Tag SERR Messages BIOS Downgrade Data Wipe BIOS Recovery First Power On Date Table 14. System Logs Option BIOS events Description Displays the service tag of your system. Allows you to create a system asset tag if an asset tag is not already set. This option is disabled by Default setting. Allows you to control the SERR message mechanism. This option is enabled by Default setting. Some graphics cards require that the SERR message mechanism be disabled. Allows you to control the flashing of the system firmware to previous revisions. This option is disabled by Default setting. Allows you to securely erase data from all internal storage devices. This option is disabled by Default setting. Allows you to recover from certain corrupted BIOS conditions using a recovery file. This option is enabled by Default setting. This option is not set by Default setting. Description Displays the system event log and allows you to clear the log. • Clear Log Table 15. Advanced Configurations Option ASPM Description Allows you to set the Active State Power Management level: • Auto (Default setting) • Disabled • L1 Only PCIe Linkspeed Allows you to select the max PCIe link speed attainable by devices within the system. • Auto (Default setting) • Gen1 • Gen2 Updating the BIOS Prerequisites It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available. About this task NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. Steps 1. Restart the system. 2. Go to Dell.com/support. 3. Enter the Service Tag or Express Service Code and click Submit. Pre-operating system management applications 23

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Option
Description
•
Trusted Execution
- This option is disabled by Default setting.
Table 13. Maintenance
Option
Description
Service Tag
Displays the service tag of your system.
Asset Tag
Allows you to create a system asset tag if an asset tag is not already set. This option is disabled by
Default setting.
SERR Messages
Allows you to control the SERR message mechanism. This option is enabled by Default setting.
Some graphics cards require that the SERR message mechanism be disabled.
BIOS Downgrade
Allows you to control the flashing of the system firmware to previous revisions. This option is
disabled by Default setting.
Data Wipe
Allows you to securely erase data from all internal storage devices. This option is disabled by
Default setting.
BIOS Recovery
Allows you to recover from certain corrupted BIOS conditions using a recovery file. This option is
enabled by Default setting.
First Power On Date
This option is not set by Default setting.
Table 14. System Logs
Option
Description
BIOS events
Displays the system event log and allows you to clear the log.
•
Clear Log
Table 15. Advanced Configurations
Option
Description
ASPM
Allows you to set the Active State Power Management level:
•
Auto
(Default setting)
•
Disabled
•
L1 Only
PCIe Linkspeed
Allows you to select the max PCIe link speed attainable by devices within the system.
•
Auto
(Default setting)
•
Gen1
•
Gen2
Updating the BIOS
Prerequisites
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available.
About this task
NOTE:
If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the
BIOS update is completed.
Steps
1.
Restart the system.
2.
Go to
Dell.com/support
.
3.
Enter the
Service Tag
or
Express Service Code
and click
Submit
.
Pre-operating system management applications
23