what am doing wrong

Hello all, read various threads aobut the promise fastrak378 controllers as i have two disks set up on Xp on a raid 0.
I have the 64bit version of vista and have tried the following
1.created boot disk using jst the files in the xp folder in the root directory
2.created boot disk using jst the files in the 2003 folder in the root directory
3.created boot disk using files in root and putting xp files in root directory
none of these appear to work, says its the wrong one and cant load it!!
Anybody got any suggenstions? alex