Dell Complete the Operating System Setup, Supported Operating Systems

Getting Started With Your System 7
Complete the Operating System Setup
If you purchased a preinstalled operating system, see the operating system
documentation that ships with your system. To install an operating system
for the first time, see the installation and configuration documentation
for your operating system. Be sure the operating system is installed before
installing hardware or software not purchased with the system.
Supported Operating Systems
Operating System M710HD M910 M905 M805 M710 M610 M610x M605
Citrix® XenServer 5.5  
Citrix® XenServer 5.6   
Microsoft® Windows
Server®2008 Hyper-V Server 
Microsoft Windows® Essential
Business Server 2008 Standard
and Premium Editions
 
Microsoft Windows HPC
Server 2008 (x64) 
Microsoft Windows
Server 2008 Standard and
Enterprise (x86) Editions
  
Microsoft Windows Web
Server 2008 (x86) Edition  
Microsoft Windows Web
Server 2008 (x86) Edition
with SP2

Microsoft Windows
Server 2008 Standard and
Enterprise (x86)
Editions with SP2
 
Microsoft Windows
Server 2008 Standard,
Enterprise, and
Datacenter (x64) Editions

Microsoft Windows Web
Server 2008 (x64) Edition  