Dell Inspiron 5391, Service Manual

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Virtualization
VT for Direct I/O Enables the computer to perform Virtualization Technology for Direct I/O (VT-d).
VT-d is an Intel method that provides virtualization for memory map I/O.
Default: ON.
Table 14. System setup options—Maintenance menu
Maintenance
Asset Tag Creates a system Asset Tag that can be used by an IT administrator to uniquely
identify a particular system. Once set in BIOS, the Asset Tag cannot be changed.
Service Tag Displays the Service Tag of the computer.
BIOS Recovery from Hard Drive Enables the computer to recover from a bad BIOS image, as long as the Boot Block
portion is intact and functioning.
Default: ON.
NOTE: BIOS recovery is designed to fix the main BIOS block and cannot
work if the Boot Block is damaged. In addition, this feature cannot work
in the event of EC corruption, ME corruption, or a hardware issue. The
recovery image must exist on an unencrypted partition on the drive.
BIOS Auto-Recovery Enables the computer to automatically recover the BIOS without user actions. This
feature requires BIOS Recovery from Hard Drive to be set to Enabled.
Default: OFF.
Start Data Wipe
CAUTION: This Secure Wipe Operation will delete information in a way
that it cannot be reconstructed.
If enabled, the BIOS will queue up a data wipe cycle for storage devices that are
connected to the motherboard on the next reboot.
Default: OFF.
Allow BIOS Downgrade Controls flashing of the system firmware to previous revisions.
Default: ON.
Table 15. System setup options—System Logs menu
System Logs
Power Event Log Displays Power events.
Default: Keep.
BIOS Event Log Displays BIOS events.
Default: Keep.
Thermal Event Log Displays Thermal events.
Default: Keep.
Table 16. System setup options—SupportAssist menu
SupportAssist
Dell Auto operating system Recovery
Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and
for Dell operating system Recovery tool.
Default: 2.
SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool
in the even of certain system errors.
Default: ON.
74 System setup