1-4 Introducing Your Computer System power lampLights when the system is turned on. Disk lampLights when the hard disk drive is active, reading orwriting data.! CAUTIONDo not turn off the system, unless absolutelynecessary, while the disk lamp is lit. To do so candamage your hard disk or data.Diskette Drive AYour diskette drive has the following features: Diskette drive busy lampLights when the diskette drive is active, reading orwriting data on a diskette.! CAUTIONTo prevent damage to your diskette drive and data,do not turn off the system or remove a diskettewhile the diskette drive busy lamp is lit. Diskette drive eject buttonLets you remove a diskette from the diskette drive.