User's Manual

第四章：BIOS 程序設置
4-30
Enabled 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 Keyboard, 1 Mouse, 2 Hubs
Legacy USB Support [Enabled]
USB3.0 Support [Enabled]
XHCI Hand-off [Enabled]
EHCI Hand-off [Disabled]
USB Hardware Delays and Time-outs
USB transfer time-out [20 sec]
Device reset time-out [20 sec]
USB Ports Conguration
→←: Select Screen
↑↓: Select Item
Enter: Select Item
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save & Exit
ESC: Exit
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Advanced
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
4.5.7 USB 設置（USB Configuration）
Legacy USB Support [Enabled]
啟用或關閉支持 Legacy USB 設備。設置值有：[Enabled] [Disabled]
[Auto]
USB3.0 Support [Enabled]
本項目為啟用或關閉支持 USB3.0 (XHCI) 控制器。設置值有：[Enabled]
[Disabled]
XHCI Hand-off [Enabled]
這是一個解決操作系統沒有 XCHI 所有權更改，為根據 XCHI 驅動程序
更改。設置值有：[Disabled] [Enabled]
EHCI Hand-off [Disabled]
這是一個解決操作系統沒有 ECHI 所有權更改，為根據 ECHI 驅動程序
更改。設置值有：[Disabled] [Enabled]
USB Hardware Delays and Time-outs
USB transfer time-out [20 sec]
本項目為設置暫停數值，提供控制、bulk 與中斷傳輸。設置值有：[1
sec] [5 sec] [10 sec] [20 sec]
Device reset time-out [20 sec]
USB 大量存儲設備起始單元命令暫停時間。設置值有：[10 sec] [20 sec]
[30 sec] [40 sec]