Intel SE7520BD2-D2 - Manual (Page 12)

Supported Operating Systems Intel® Server Board SE7520BD2/SE7520BD2-D2
Revision 2.0 4
Operating System Certification Listing Comments
Red Hat Enterprise*
Linux Advanced Server
3.0
Intel® SE7520BD2
/SE7520BD2 D2 Server
Red Hat checks Intel’s results, certifies (if appropriate),
and posts the certificate on their web site.
Customer can leverage the Intel certification, if customer
product meets the operating system vendor standard.
http://hardware.redhat.com/hcl/?pagename=hcl&view=ce
rtified&vendor=399&class=8#list