HP OmniBook 2100 Reference Manual page 39

Drive Status Icons.
Keyboard Status Icons
Hard disk drive or plug-in drive. The OmniBook is accessing the
hard disk drive or one of the plug-in accessory drives.
Floppy disk drive. The OmniBook is accessing the floppy disk
drive.
PC Card. There is activity between the PC Card and the computer.
Caps Lock. Caps Lock is active.
Num Lock. Num Lock is active (Fn + F9).
Keypad Lock. The built-in embedded keypad is active (Fn + F8).
Num Lock must also be on for the numeric keys. Otherwise, cursor
keys are active.
Scroll Lock. Scroll Lock is active (Fn + F10).
Operating the OmniBook
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