Reference Guide
Attribute Name Description
Possible values: Integers ranging from 0 to 15
BrightnessBattery
Sets the panel brightness in effect when the system is using battery power only.
Possible values: Integers ranging from 0 to 15
DockDisplayPort1VideoSource
Configures the source for the High-Definition Multimedia Interface (HDMI) and displays port
1 on the dock.
Possible values:
• Enabled — Uses the integrated video controller as video source.
• Disabled — Uses the external video controller as video source.
MultiDisplay
Enables or disables MultiDisplay.
Possible values:
• Enabled
• Disabled
Optimus
Enables or disables the Optimus feature.
Possible values:
• Enabled — This feature automatically turns off the power of the Graphics Processing
Unit (GPU) when not required, and turns it on when required.
• Disabled — This feature does not automatically turn on or off the power of the GPU. In
mobile PCs, when the GPU power is off the driver redirects graphics commands to the
integrated graphics chip.
PrimaryVideoSlot
Selects which PCI Express slot contains the primary boot video device. A monitor connected
to the primary video device displays BIOS setup and initial operating system text and
graphics.
Possible values:
• Slot0 — Sets the onboard video device slot as the primary video device slot.
• Slot1 — Sets the 1st slot as the primary video device slot.
• Slot2 — Sets the 2ndslot as the primary video device slot.
• Slot3 — Sets the 2ndslot as the primary video device slot.
• Slot4 — Sets the 2ndslot as the primary video device slot.
• Slot5 — Sets the 2ndslot as the primary video device slot.
• Slot6 — Sets the 2ndslot as the primary video device slot.
• Slot7 — Sets the 2ndslot as the primary video device slot.
• Slot8 — Sets the 2ndslot as the primary video device slot.
• Slot9 — Sets the 2ndslot as the primary video device slot.
• Slot10 — Sets the 2ndslot as the primary video device slot.
• Slot11 — Sets the 14th slot as the primary video device slot.
• Slot12 — Sets the 2ndslot as the primary video device slot.
• Slot13 — Sets the 2ndslot as the primary video device slot.
• Slot14 — Sets the 2ndslot as the primary video device slot.
• Auto — Automatically scans the slots and selects the first video device slot found with
video card as a primary video device slot.
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