Technical data

   Page 49
Intel(R) Speed Step (tm)
Disable: Disable.
Enable: Enable. (Default)
Hyper Threading Technology
“Enabled” for Windows XP and Linux (OS optimized for Hyper-Threading Technology) and “Disabled” for other OS (OS
not optimized for Hyper-Threading Technology).
The choice: Enabled (Default), Disabled.
Execute-Disable Bit capability
XD can prevent classes of malicious buffer overflow attacks when combined with a supporting OS.
The choice: Enabled (Default), Disabled.
C-States
CPU idle is set to Enhanced C-States.
The choice: Enabled (Default), Disabled.
USB Configuration
Legacy USB Support
Enables Legacy USB support. AUTO option disables legacy support if no USB device is connected. Disable option will
keep USB devices available only for EFI application.
The choice: Disabled, Enabled, Auto.
EHCI Hand-Off
This is a workaround for OS without EHCI hand-off support. The EHCI ownership change should claim by EHCI driver.
The choice: Disabled, Enabled.
USB 2.0 Controller port
Port 0~5
The choice: Disabled, Enabled.