22 - Status Indicator Panel
Hard Drive/Optical Drive Access Indicator
The Hard Drive/Optical Drive Access indicator glows green when your internal hard drive is being
accessed. Note that flickering is normal.
The NumLk indicator states that the integral keyboard is set in ten-key numeric keypad mode.
The CapsLock indicator states that your keyboard is set to type in all capital letters.
The ScrLk indicator states that your scroll lock is active.