>If you change the computer's date/time (using the DATE/TIME DOS commands, >SetLocalTime() Win32 API function or in any other way), this is "forever". > >I never saw a computer that knows how to revert to a default time/date when >is rebooted. > >Vlad I've had a 386SX board a couple of years ago, which counted time backwards when it was turned off :), though at an unknown speed. So after every power on its clock was late - between couple of minutes to couple of days. Made backups a nightmare.