華碩 TS100-E7/PI4 使用手冊
4-19
4.5.9 USB 設定(USB Configuration)
4.5.8 Intel TXT(LT) 設定(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。
設定值有:[Disabled] [Enabled]
Intel TXT(LT) Support 項目需要在主機板上安裝 Trusted Platform Module
(TPM) 模組才能啟動。
USB Devices 項目會自動偵測數值。若無偵測到 USB 裝置,則該項目會
顯示為 None。
Legacy USB Support [Enabled]
本項目用來啟動或關閉支援既有 USB 裝置功能。當設定為預設值 [Auto]
時,系統可以在開機時便自動偵測是否有 USB 裝置存在,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定為 [Disabled] 時,那
麼無論是否存在 USB 裝置,系統內的 USB 控制器都處於關閉狀態。設定值
有:[Disabled] [Enabled] [Auto]
EHCI Hand-off [Disabled]
本項目用來啟動或關閉支援 BIOS EHCI hand-off 功能。設定值:[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 Conguration
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 Conguration
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]
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