How to put Lenovo Thinkpad T400 into Safe Mode?

From what i was told by a lenovo laptop owner is to wait a second after the lenovo logo screen appear and keep pressing f8 to get to the windows boot advantage screen in which has the safe mode on it, also i was told there's a security chip option in the bios that needs to be disable in which stopping from booting in the safemode

Ok but i just did something and it loaded i don't know what and it wasn't F8 either