I don't know what do you mean actually .....but I just need drivers for SCSI HDD for win server 2003 x64 this driver: https://my.vmware.com/web/vmware/details/scsi_dt_server_wkst_ace/dHdiQGh3YiVq worked properly with 2003 x32 but I don't know will it work with x64 or not???