See this as well
http://www.symantec.com/business/support/index?page=content&id=TECH204413
SSR uses the term "BIOS Based" for what we call an image made on a "MBR" or Non-UEFI based drive.
Also be aware that SSR 2013 does not support Windows 8.1 and is not expected to until February at the earliest.
Some people have reported that they can restore an image of 8.1 and then rebuild the BCD to get the system to work.
Personally I have not bothered trying it with 8.1 yet.
Dave