I know there is a big deal made about using a DL-DVD but I've used CD-R for FW and the sd_to_hdd_fw.iso with no issues.
MediaFire - RNS-510_WE_V14-to-SD.zip
Torrent - RNS-510_WE_V14-to-SD.zip
Please share as much of the torrent as you've downloaded.
I know there is a big deal made about using a DL-DVD but I've used CD-R for FW and the sd_to_hdd_fw.iso with no issues.
MediaFire - RNS-510_WE_V14-to-SD.zip
Torrent - RNS-510_WE_V14-to-SD.zip
Please share as much of the torrent as you've downloaded.