Table 4. System Configuration (continued)
Option Description
Keyboard Backlight tiemout value is only in effect when the
backlight is enabled.
● 5 seconds
● 10 seconds—Default
● 15 seconds
● 30 seconds
● 1 minute
● 5 minutes
● 15 minutes
● Never
Touchscreen This field controls whether the touchscreen is enabled or
disabled.
Unobtrusive Mode Allows you to turn off all light and sound emissions in the
system when you press Fn+F7. This option is disabled by
default.
Miscellaneous devices
Allows you to enable or disable various on board devices.
● Enable Camera—Default
● Enable Hard Drive Free Fall Protection—Default
● Enable Secure Digital (SD) Card—Default
● Secure Digital (SD) Card Boot
● Secure Digital Card (SD) Read-Only Mode
MAC Address Pass-Through
This feature replaces the external NIC MAC address (in a
supported dock or dongle) with the selected MAC address
from the system. The default option is to use the Passthrough
MAC Address.
When the Integrated NIC option is selected, we recommend
one of the following:
● Disable the integrated NIC in the BIOS to prevent any
issues from multiple NICs on the network with identical
MAC addresses.
● If the Integrated NIC cannot be disabled, do not connect it
to the same network as your dock or USB Ethernet dongle.
Video screen options
Table 5. Video
Option Description
LCD Brightness
Allows you to set the display brightness depending upon the
power source. On Battery (50% is default) and On AC (100%
default).
Switchable Graphics
This option enables or disables switchable graphics
technologies such as NVIDIA Optimus and SMD
PowerExpress.
It should only be enabled for Windows 7 and later versions of
Windows or the Ubuntu OS. This feature is not applicable to
other operating systems.
104 BIOS setup
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