Asus M2N-LR/SATA - Manual (Page 80)

ASUS M2N-LR Series -2
4.4.5 MPS Configuration
The items in this menu allows you to configure the Multi-Processor Table. Select
an item then press <Enter> to display the configuration options.
MPS Revision [1.4]
Allows you to select the multi-processor system revision.
Configuration options: [1.1] [1.4]
4.4.6 USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the configuration options.
IRQ-xx assigned to [PCI Device]
When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices.
When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration
options: [PCI Device] [Reserved]
MPS Configuration
MPS Revision [1.4]
Select MPS Revision.
USB Configuration
Module Version - 2.24.0-11.4
USB Devices Enabled: None
USB 1.1 Controller [Enabled]
USB 2.0 Controller [Enabled]
Legacy USB Support [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Enables USB host
controllers.