Dmi Configuration; Memory Configuration; Usb Configuration - Asus Z97-A/USB 3.1 User Manual

DMI Configuration

This item allows you to control various DMI (direct media interface) to run at PCI-E 2.0 speed.
DMI Gen 2 [Auto]
Set this item to [Enabled] to run DMI at PCI-E 2.0 speed.
Configuration options: [Enabled] [Disabled]
NB PCI-E Configuration
This item allows you to configure the NB PCI Express settings.
PCIEx16_1/2 Link Speed [Auto]
This item allows you to configure the PCIEx16 speed for slots 1 and 2.
Configuration options: [Auto] [Gen1] [Gen2] [Gen3]

Memory Configuration

This item allows you to configure the memory configuration parameters.
Memory Scrambler [Enabled]
Set this item to [Enabled] to support high frequency DRAMs for a better stability.
Configuration options: [Enabled] [Disabled]
Memory Remap [Enabled]
Set this item to [Enabled] to support DRAM address remapping for 64-bit operating
systems.
Configuration options: [Enabled] [Disabled]
2.6.5

USB Configuration

The items in this menu allow you to change the USB-related features.
The Mass Storage 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]
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Your system supports the USB devices in legacy operating systems.
Your USB devices can be used for BIOS setup only and cannot be
recognized in the boot devices list.
Your system automatically detects the presence of USB devices at startup.
If any USB devices are detected, the legacy USB support is enabled.
The xHCI is automatically enabled and runs at USB 3.0 mode when the
xHCI driver is installed in the operating system.
Upon detection, the xHCI driver supports the USB 3.0 mode during both
POST and operating system.
Enables the xHCI controller.
Disables the xHCI controller.
Chapter 2: BIOS information