Edgeport/8 Drivers fro Windows Server 2008 on HP Machine

Good Morning.
I bought a DigiPort Edge/8 (PN 301-1002-08) and tried to install it on Windows 2008 Server X64 but couldnt the Digi port is not registered. Please where can i get a edgeport driver for Windows 2008 Server.
I noticed that Edgeport/8 on the IonMultiportSerial was with a question Mark as in the attached document

Hi,

Refer the link below and see if it helps you. Select the operating system under Drivers you will find the drivers.

You can also find general drivers at digi website at the following link, http://www.digi.com/support/supporttype?type=drivers

adding the link,
http://www.digi.com/support/productdetail?pid=2643