it's Asus A7N8X-E Deluxe
used to be a flagship motherboard..
it says "USB Integrated 6 USB2.0 ports "
http://www.asus.com/product.aspx?P_I...specifications
if the port is not usb2.0 or not enough power, it will have a stable USB2.0 icon at the taskbar.
I have never seen a flashing usb2.0 =/