Setup and Specifications
Advanced conguration
Table 32. Advanced conguration
Option Description
ASPM Allows you to set the ASPM level.
• Auto (default) - There is handshaking between the device and PCI Express hub to determine the
best ASPM mode supported by the device
• Disabled - ASPM power management is turned o at all time
• L1 Only - ASPM power management is set to use L1
Updating the BIOS in Windows
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available. For laptops, ensure
that your computer battery is fully charged and connected to a power outlet
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.
1 Restart the computer.
2 Go to Dell.com/support.
• Enter the Service Tag or Express Service Code and click Submit.
• Click Detect Product and follow the instructions on screen.
3 If you are unable to detect or nd the Service Tag, click Choose from all products.
4 Choose the Products category from the list.
NOTE
: Choose the appropriate category to reach the product page
5 Select your computer model and the Product Support page of your computer appears.
6 Click Get drivers and click Drivers and Downloads.
The Drivers and Downloads section opens.
7 Click Find it myself.
8 Click BIOS to view the BIOS versions.
9 Identify the latest BIOS le and click Download.
10 Select your preferred download method in the Please select your download method below window, click Download File.
The File Download window appears.
11 Click Save to save the le on your computer.
12 Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
NOTE
: It is recommended not to update the BIOS version for more than three revisions. For example: If you want to update the
BIOS from 1.0 to 7.0, then install version 4.0 rst and then install version 7.0.
Updating BIOS on systems with bitlocker enabled
CAUTION
: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it will not recognize the
BitLocker key. You will then be prompted to enter the recovery key to progress and the system will ask for this on each reboot. If
the recovery key is not known this can result in data loss or an unnecessary operating system re-install. For more information on
this subject, see Knowledge Article: http://www.dell.com/support/article/us/en/19/SLN153694/updating-bios-on-systems-
with-bitlocker-enabled
26 System setup