Duel Boot

[eacon]

Hello,
How to create duel boot of already installed Vista and win 7 in different hard disks

 

[totalknowledge]

https://www.google.com/#hl=en&tok=ohtJCQD7G32_4PNMf0l9yQ&cp=21&gs_id=nc&xhr=t&q=dual+boot+7+and+vista&pf=p&sclient=psy-ab&source=hp&pbx=1&oq=dual+boot+7+and+vista&aq=0&aqi=g1g-j1g-b2&aql=&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=2d40b136d9b4e30f&biw=1920&bih=893