Usb Configuration - TYAN S5515 User Manual

3.3.8 USB Configuration

Aptio Setup Utility --- Copyright © 2011 American Megatrends, Inc.
Main
USB Configuration
USB Devices:
1 keyboard, 2 Hubs
Legacy USB Support
USB hardware delays and time-outs:
USB transfer time-out
Device reset time-out
Device power-up delay
Legacy USB Support
Enable USB legacy support. AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only for
EFI applications.
Enabled / Disabled / Auto
USB transfer time-out
The time-out value for Control, Bulk and Interrupt transfers.
20 sec / 10 sec / 30 sec / 40 sec
Device reset time-out
USB mass storage device Start Unit command time-out.
20 sec / 10 sec / 5 sec / 1 sec
Device power-up delay
Maximum time the device will take before it properly reports itself to the Host
Controller. AUTO uses default value: for a Root port it is 100 ms, for a Hub port the
delay is taken from Hub descriptor.
Auto / Manual
Advanced Chipset
[Enabled]
[20 sec]
[20 sec]
[Manual]
http://www.tyan.com
Boot Security
Enables USB legacy support.
AUTO option disables legacy
support if no USB devices
are connected. DISABLE
option will keep USB devices
available only for EFI
applications.
→←: Select screen
←↓: Select item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
52
Save & Exit