Dell XPS 15 9500 Service Manual - Page 57
Table 16. System setup options-Maintenance menu
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Table 14. System setup options-POST Behavior menu (continued) POST Behavior Default: Touchpad and PS/2 Mouse. Leave the integrated touchpad enabled when an external PS/2 mouse is present. Sign of Life Early Logo Display Display Logo Sign of Life. Default: ON Early Keyboard Backlight Keyboard Backlight Sign of Life. Default: ON MAC Address Pass-Through Replaces the external NIC MAC address (in a supported dock or dongle) with the selected MAC address from the computer. Default: System Unique MAC Address. Table 15. System setup options-Virtualization menu Virtualization Intel Virtualization Technology Enables the computer to run a virtual machine monitor (VMM). Default: ON 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 16. System setup options-Maintenance menu Maintenance Asset Tag 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 Allow BIOS Downgrade CAUTION: This Secure Wipe Operation deletes 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 Controls flashing of the system firmware to previous revisions. Default: ON System setup 57
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