FIRST FILE (yeah, I know I screwed this one up while trying to get the other one working): 

[boot loader]

;timeout=30

default=multi(1)disk(0)rdisk(0)partition(2)\WINDOWS

[operating systems]

;multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Windows XP Professional x64 Edition" /noexecute=optin /fastdetect

multi(1)disk(0)rdisk(0)partition(2)\WINDOWS="Windows XP Professional x64 Edition REAL" /noexecute=optin /fastdetect


SECOND: 
NO BOOT.INI FILE.