Asus H87-PLUS - Manual (Page 83)

ASUS H87-PLUS 3-31
Chapter 3
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the EHCI Hand-off support.
USB Single Port Control
Allows you to enable or disable the individual USB port.
Refer to section 1.2.2 Motherboard layout for the location of the USB ports.
3.6.6 Platform Misc Configuration
The items in this menu allow you to configure the platform-related features.
PCI Express Native Power Management [Disabled]
Allows you to enhance the power saving feature of PCI Express and perform ASPM
operations in the operating system. Configuration options: [Disabled] [Enabled]
The following item appears only when you set the PCI Express Native Power Management
to [Enabled].
Native ASPM [Disabled]
[Enabled]
Vista controls the ASPM support for the device.
[Disabled] BIOS controls the ASPM support for the device.