ASRock Vision 3D 137D User Manual - Page 46

9.4.5 USB Configuration BIOS SETUP UTILITY Advanced USB Configuration Legacy USB Support USB 2.0 Rate Matching hub [Enabled] [Enabled] Front Onboard USB3 Back Onboard USB3 [Enabled] [Enabled] USB Keyboard/Remote Power On [Disabled] USB Mouse Power On [Disabled] To enable or disable the onboard USB controllers. +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit v02.54 (C) Copyright 1985-2005, American Megatrends, Inc. Legacy USB Support Use this option to select legacy support for USB devices. There are four configuration options: [Enabled], [Auto], [Disabled] and [BIOS Setup Only]. The default value is [Enabled]. Please refer to below descriptions for the details of these four options: [Enabled] - Enables support for legacy USB. [Auto] - Enables legacy support if USB devices are connected. [Disabled] - USB devices are not allowed to use under legacy OS and BIOS setup when [Disabled] is selected. If you have USB compatibility issue, it is recommended to select [Disabled] to enter OS. [BIOS Setup Only] - USB devices are allowed to use only under BIOS setup and Windows / Linux OS. USB 2.0 Rate Matching hub Use this item to enable or disable the USB 2.0 Rate Matching hub. Due to WinXP and PCH chipset (HM55) limitations, if you use WinXP, please disable the BIOS option "USB2.0 Rate Matching Hub" to make USB devices work properly. (For example, in the process of installing WinXP or using USB3.0 devices.) Front Onboard USB3 Use this item to enable or disable the use of front USB3 controller. Back Onboard USB3 Use this item to enable or disable the use of rear USB3 controller. USB Keyboard/Remote Power On Use this item to enable or disable USB Keyboard/Remote Power On on the system. USB Mouse Power On Use this item to enable or disable USB Mouse Power On on the system. 46