Service Manual

Table 15. System setup options—Pre-boot Behavior menu (continued)
Pre-boot Behavior
Extend BIOS POST Time
Extend BIOS POST Time Configures the BIOS POST (Power-On Self-Test) load time.
Default: 0 seconds
MAC Address Pass-Through
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.
Mouse/Touchpad
Mouse/Touchpad Defines how the computer handles mouse and touchpad input.
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
Table 16. System setup options—Virtualization menu
Virtualization Support
Intel® Virtualization Technology
Enable Intel® Virtualization Technology
(VT)
Enables the computer to run a virtual machine monitor (VMM).
Default: ON
VT for Direct I/O
Enable Intel® 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
Intel® Trusted Execution Technology
(TXT)
Enables Intel® Trusted Execution Technology (TXT).
Default: OFF
DMA Protection
Enable Pre-Boot DMA Support Controls Pre-Boot DMA protection for both Internal and External ports.
Default: ON
Enable OS Kernel DMA Support Controls Kernel DMA protection for both Internal and External ports. This setting
does not directly enable DMA protection in the OS.
Default: ON
Table 17. System setup options—Performance menu
Performance
Multi-Core Support
Multiple Atom Cores Changes the number of Atom cores available to the operating system. The default
value is set to the maximum number of cores.
System setup 59