For those who are still trying to get this working you need the "NetXtreme II monolithic "RIS" driver" for Windows Server 2003 - RIS from Broadcom available from here http://www.broadcom.com/support/ethernet_nic/netxtremeii.php it's close to the bottom of the page in the "Windows Remote Installation Service (RIS) Drivers" Section. Then just follow this KB article http://support.microsoft.com/kb/923834.