the following intel network adapters are compatible with the drivers in this release:

to verify your intel adapter is supported, find the board id number on the adapter. look for a label that has a barcode and a number in the format of 123456-001 (six digits hyphen three digits). match this to the list of numbers above.
for more information on how to identify your adapter, go to the adapter & driver id guide at:
http://support.intel.com/support/network/adapter/pro100/21397.htm
for the latest intel network drivers for freebsd, see:
http://appsr.intel.com/scripts-df/support_intel.asp