Asus Motherboard M2V-MX - Manual (Page 63)

ASUS M2V-MX 2-21
The following item appears only when you set the AI Overclocking item
to [Manual].
CPU Frequency [XXX]
Displays the frequency sent by the clock generator to the system
bus and PCI bus. The value of this item is auto-detected by the BIOS.
Use the <+> and <-> keys to adjust the CPU frequency. You can also
type the desired CPU frequency using the numeric keypad. The values
range from 200 to 240.
USB 1.1 Ports Configuration [Enable]
Allows you to configure the USB ports.
Configuration options: [Disabled] [Enable]
USB 2.0 Ports Enable [Enable]
Allows you to enable or disable the USB 2.0 ports.
Configuration options: [Disabled] [Enable]
Legacy USB Support [Enabled]
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]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows
None.
2.4.2 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 - 2.24.0-11.4
USB Devices Enabled: None
USB 1.1 Ports Configuration [Enable]
USB 2.0 Ports Enable [Enable]
Legacy USB Support [Enabled]
Port 64/60 Emulation [Disabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]