For computers that shipped originally with Microsoft® Windows Vista®, this file is intended to provide basic system functionality under Microsoft Windows XP operating system.

WARNING!: For computers optimized for use with Windows Vista operating system, some functionality will be lost under Windows XP operating system. Please click here for more information.

This driver also resolves the yellow exclamation point error that may appear in Device Manager next to "Network Controller" which indicates that a driver is not installed for that device.