Asus B85M-G PLUS USB 3.1 User Guide - Page 58

USB Configuration, Legacy USB Support [Enabled], Intel, xHCI Mode [Smart Auto]

Page 58 highlights

DMI Link ASPM Control [Auto] Allows you to enable or disable the control of Active State Power Management on SA side of the DMI Link. Configuration options: [Auto] [Disabled] [L0s] [L1] [L0sL1] 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] Enables the support for USB devices on legacy operating systems (OS). [Disabled] The USB devices can be used only for the BIOS setup program. [Auto] 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. Intel® xHCI Mode [Smart Auto] [Auto] Keeps the last operation of xHCI controller in OS during bootup. [Smart Auto] Enables the operation of xHCI controller. [Enabled] Enables the function. [Disabled] Disables the function. EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand‑off feature. [Disabled] Disables the function. 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 Chapter 2: Getting started

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2-26
Chapter 2: Getting started
DMI Link ASPM Control [Auto]
Allows you to enable or disable the control of Active State Power Management on SA
side of the DMI Link. Configuration options: [Auto] [Disabled] [L0s] [L1] [L0sL1]
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]
Enables the support for USB devices on legacy operating systems (OS).
[Disabled]
The USB devices can be used only for the BIOS setup program.
[Auto]
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.
Intel
®
xHCI Mode [Smart Auto]
[Auto]
Keeps the last operation of xHCI controller in OS during bootup.
[Smart Auto]
Enables the operation of xHCI controller.
[Enabled]
Enables the function.
[Disabled]
Disables the function.
EHCI Hand-off [Disabled]
[Enabled]
Enables the support for operating systems without an EHCI hand‑off
feature.
[Disabled]
Disables the function.
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.