Hi Hans,

yes, my answer was a little short, because this question was asked again and again and again and ...

Some right answers:

http://www.8052.com/forum/read.phtml?id=5386

http://www.8052.com/forum/read.phtml?id=3454

http://www.8052.com/forum/read.phtml?id=2455

http://www.8052.com/forum/read.phtml?id=9598


Whats bad on searching before asking ???



Peter