Installation Guide
4. Setting Up Windows Server 2012
Express5800/T110g-S, R110g-1E, T110g-E Installation Guide (Windows)
131
Chapter 1 Installing Windows
34. Type the password and press Enter.
Windows Server 2012 starts.
35. The following screen appears according to the contents selected (or displayed) in Step 20.
Server with a GUI
Server Core Installation
Tips
Refer to Microsoft Website for more details.
Configure and Manage Server Core Installations
http://technet.microsoft.com/us-en/library/jj574091.aspx