Table 16. System setup options—Pre-Boot Behavior menu (continued)
Pre-Boot Behavior
By default, 0 seconds is selected.
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.
By default, System Unique MAC Address is selected.
Sign of Life
Early Logo Display Displays Logo Sign of Life.
Default: ON
Early Keyboard Backlight Displays Keyboard Backlight Sign of Life.
Default: ON
Table 17. System setup options—Virtualization menu
Virtualization
Intel Virtualization Technology
Enable Intel Virtualization Technology
(VT)
Enables or disables the computer to run a virtual machine monitor (VMM).
Default: ON
VT for Direct I/O
Enable Intel VT for Direct I/O Enables or disables 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)
Enable Intel Trusted Execution
Technology (TXT)
Controls whether a Measured Virtual Machine Monitor (MVMM) can use the
additional hardware capabilities provided by Intel Trusted Execution Technology.
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 18. System setup options—Performance menu
Performance
Multi-Core Support
Active Cores Changes the number of CPU cores available to the operating system. The
default value is set to the maximum number of cores.
By default, All Cores is selected.
Intel SpeedStep
58 System setup
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