In the 21st century, the scroll lock key toggles the LED for scroll lock.<br><br>I actually use the scroll lock LED - it flashes 5 times when I receive a message on AIM/ICQ/MSN/Y!. This is useful when ...

Do-it-yourselfer Kipkay doesn't have a backlit keyboard, so he repurposed the pointless Scroll Lock LED on an old school keyboard to light up all the keys instead. The end result does indeed make ...