open command prompt...
then do the steps mentioned below
1)Now u have to change the attributes of boot.ini file to do so type "attrib -s -h -r boot.ini" .
"edit boot.ini".
3) Now u can change the timeout=any value
4) Then SAVE and EXIT and again change the attributes of boot.ini file to previous state like "attrib +s +h +r boot.ini "
5)Then to see changes REBOOT ur system and ENJOY........BY CHR!$