Asus P5L-MX/IPAT - Manual (Page 62)

2-18 Chapter 2: BIOS setup
Legacy USB Support [Auto]
Allows you to enable or disable support for USB devices on legacy
operating systems (OS). Setting to Auto allows the system to detect the
presence of USB devices at startup. If detected, the USB controller legacy
mode is enabled. If no USB device is detected, the legacy USB support is
disabled. Configuration options: [Disabled] [Enabled] [Auto]
Device Reset timeout [20 sec]
Allows you to set the USB mass storage device start unit command
timeout. Configuration options: [10 sec] [20 sec] [30 sec] [40 sec]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows
None.
2.5.3 Legacy USB Configuration
The items in this menu allows you to change the USB-related features.
Select an item then press to display the configuration options.
USB Configuration
Module Version 08.06.05
USB Devices:
None
Legacy USB Support [Auto]
Device Reset timeout [20 sec]