By default Windows XP allows maximum 10 simultaneous half-open (incomplete) outbound TCP connection attempts per second. This limitation was enforced to prevent rapid spreading of malicious internet-worms incase user machine gets infected.

Many are still confused between these two Windows XP power saving modes. These power saving schemes can be useful, off course to save power and to keep your pc healthy. Which power saving mode should i use? To understand this, you should understand the difference between the two.