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PEG - ASPM [Disabled]
Allows you to control ASPM support for the PEG Device. The setting takes no effect if
PEG is not the active device at present. Configuration options: [Disabled] [Auto] [ASPM
L0s] [ASPM L1] [ASPM L0sL1]
Memory Configuration
Memory Scrambler [Enabled]
Allows you to enable or disable Memory Scrambler support. Configuration options:
[Enabled] [Disabled]
Memory Remap [Enabled]
Allows you to enable or disable remapping the memory above 4GB. Configuration
options: [Enabled] [Disabled]
2.6.5
USB Configuration
The items in this menu allow you to change the USB‑related features.
The USB Devices item shows the auto‑detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled]
[Disabled]
[Auto]
Intel
xHCI Mode [Smart Auto]
®
[Auto]
[Smart Auto]
[Enabled]
[Disabled]
EHCI Hand-off [Disabled]
[Enabled]
[Disabled]
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section 1.2.3 Motherboard layout for the location of the USB ports.
2-26
Enables the support for USB devices on legacy operating systems (OS).
The USB devices can be used only for the BIOS setup program.
Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Keeps the last operation of xHCI controller in OS during bootup.
Enables the operation of xHCI controller.
Enables the function.
Disables the function.
Enables the support for operating systems without an EHCI hand‑off
feature.
Disables the function.
Chapter 2: Getting started
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