Asus Z87-K - Manual (Page 57)

2-30 Chapter 2: Getting started
DMI Gen 2 [Auto]
Allows you to enable or disable DMI Gen 2. Configuration options: [Auto] [Enabled]
[Disabled]
NB PCIe Configuration
Allows you to configure the NB PCI Express settings.
PCIEX16_1 Link Speed [Auto]
Allows you to configure the PCIEX16_1 speed.
Configuration options: [Auto] [Gen1] [Gen2] [Gen3]
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.
Memory Remap [Enabled]
Allows you to enable or disable remapping the memory above 4GB.
[Enabled] Enables the function.
[Disabled] Disables this function.
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]
[Disabled] The USB devices can be used only for the BIOS setup program.
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[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]
[Smart Auto] Enables the operation of xHCI controller.
[Auto] Keeps the last operation of xHCI controller in OS during bootup.
[Enabled] Enables the function.
[Disabled] Disables the function.