User's Manual

華碩 TS100-E7/PI4 用戶手冊
4-19
4.5.9 USB 設置（USB Configuration）
4.5.8 Intel TXT(LT) 設置（Intel TXT(LT) Configuration）
Intel TXT(LT) Support [Disabled]
本項目提供您啟用或關閉 Intel Trusted Execution Technology (TXT) 功
能。設置值有：[Disabled] [Enabled]
Intel TXT(LT) Support 項目需要在主板上安裝 Trusted Platform Module
(TPM) 模塊才能啟動。
USB Devices 項目會自動檢測數值。若無檢測到 USB 設備，則該項目會
顯示為 None。
Legacy USB Support [Enabled]
本項目用來啟動或關閉支持既有 USB 設備功能。當設置為默認值 [Auto]
時，系統可以在啟動時便自動檢測是否有 USB 設備存在，若是，則啟動
USB 控制器；反之則不會啟動。但是若您將本項目設置為 [Disabled] 時，
那麼無論是否存在 USB 設備，系統內的 USB 控制器都處於關閉狀態。設
置值有：[Disabled] [Enabled] [Auto]
EHCI Hand-off [Disabled]
本項目用來啟動或關閉支持 BIOS EHCI hand-off 功能。設置值：
[Disabled] [Enabled]
Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc.
Advanced
Enables Legacy USB support.
AUTO option disables legacy
support if no USB devices are
connected. DISABLE option will
keep USB devices available
only for EFI applications.
Intel Trusted Execution Technology Conguration
Intel TXT support only can be enabled/disabled if SMX
is enabled. VT and VT-d support must also be enabled
prior to TXT.
Secure Mode Extensions (SMX) Enabled
Intel TXT(LT) Support [Disabled]
Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc.
Advanced
Enables Legacy USB support.
AUTO option disables legacy
support if no USB devices are
connected. DISABLE option will
keep USB devices available
only for EFI applications.
USB Conguration
USB Devices
1 Mouse, 3 Hubs
Legacy USB Support [Enabled]
EHCI Hand-off [Disabled]
USB hardware delays and time-out:
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
Device power-up delay [Auto]