Initializing the System and Downloading Software
Page 68 7210 SAS-D Installation Guide
A:SN12# file copy ftp://<user>:<passwd>@10.10.170.22/./images/both.tim 
cf1:/both.tim
Copying file ftp://<user>:<passwd>@10.10.170.22/./images/both.tim...
1 file copied.
A:SN12#
Configure the BOF to pick up the image from internal flash:
A:SN12# bof primary-image cf1:/both.tim
*A:SN12# bof save
Writing BOF to cf1:/bof.cfg
Saving BOF .... Completed.
A:SN12#
Reboot the SAS-D. The device will pick up both the image and the configuration from 
the internal flash.