Nvrd32 is a used in addition with nvgts.sys. Add registry settings for nvgts http://www.ubcd4win.com/forum/index.php?showtopic=13254&view=findpost&p=74215
Sorry, I assumed XP at a 20G hard disk. Compare manufacturer FAQ: Q. I restored my boot drive, why does it not boot? http://www.runtime.org/driveimage_faq.htm#boot
Goto disk management and set partition active. And set a ntldr as boot loader: run bootsect http://technet.microsoft.com/en-us/library/cc749177(WS.10).aspx