Asus RS926-E7 RS8 User Guide - Page 103

5.4.8 USB Configuration Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc. Advanced USB Configuration USB Devices: 3Drivers, 1Keyboard, 1 Mouse, 3 Hubs Legacy USB Support USB3.0 Support XHCI Hand-off EHCI Hand-off [Enabled] [Enabled] [Enabled] [Disabled] 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 hardware delays and time-outs USB transfer time-out [20 sec] Device reset time-out [20 sec] USB Ports Configuration →←: Select Screen ↑↓: Select Item Enter: Select Item +/-: Change Opt. F1: General Help F2: Previous Values F5: Optimized Defaults F10: Save & Exit ESC: Exit Version 2.15.1219. Copyright (C) 2011 American Megatrends, Inc. Legacy USB Support [Enabled] Allows you to enable or disable Legacy USB device support. Configuration options: [Enabled] [Disabled] [Auto] USB3.0 Support [Enabled] This item enables or disables USB3.0 (XHCI) Controller support. Configuration options: [Disabled] [Enabled] XHCI Hand-off [Enabled] This is a workaround for OSes without XHCI ownership change should be claimed by XHCI driver. Configuration options: [Disabled] [Enabled] EHCI Hand-off [Disabled] This is a workaround for 0ses without EHCI. Ownership change should be claimed by EHCI driver. Configuration options: [Disabled] [Enabled] USB hardware delays and time-outs USB transfer time-out [20 sec] The time-out value for control, bulk, and interrupt transfer. Configuration options: [1 sec] [5 sec] [10 sec] [20 sec] Device reset time-out [20 sec] USB mass storage device start unit command time-out. Configuration options: [10 sec] [20 sec] [30 sec] [40 sec] ASUS RS920-E7/RS8; RS926-E7/RS8 5-27