Back ViewBack Panel ConnectorsNOTICE: To avoid losing data, do not use the power button to turnoff the computer. Instead, perform an operating system shutdown.7 power light The power light illuminates and indicates different power states:¡ No light — The computer is turned off.¡ Steady green — The computer is in a normal operatingstate.¡ Blinking green — The computer is in a power-savingstate.¡ Blinking or solid amber — See Power Problems in yourcomputer Owner's Manual.8 front panel doorrelease buttonPress this button to access the front panel connectors.9 microphoneconnectorUse the pink microphone connector to attach a personal computermicrophone for voice or musical input into a sound or telephonyprogram.On computers with a sound card, use the microphone connector onthe card.10 headphoneconnectorUse the green headphone connector to attach headphones and mostkinds of speakers.11 FlexBay Use the Flexbay for an optional floppy drive or Media Card Reader.12 hard driveactivity lightThe hard drive activity light is on when the computer reads data from,or writes data to the hard drive. The light might also be on when adevice such as a CD player is operating.13 diagnostic lights For an explanation of the diagnostic light codes, see DiagnosticLights.14 front panel door This panel covers the CD/DVD drive, the Media Card Reader, and theoptional floppy drive.1 voltage selection switch (may not beavailable on all computers)See the safety instructions in the ProductInformation Guide for more information.2 power connector Insert the power cable.3 back panel connectors Plug IEEE 1394, USB and other devices into theappropriate connector.4 card slots Access connectors for any installed PCI Expresscards.