Removing and Installing Parts 67Back View of the Computer231541 power connector Insert the power cable.2 sound card connectors (5) • Line-in connector — Use the blue line-in connector to attach a record/playbackdevice such as a cassette player, CD player, or VCR.• Line-out connector — Use the green line-out connector to attach headphonesand most speakers with integrated amplifiers.• Microphone connector — Use the pink microphone connector to attach apersonal computer microphone for voice or musical input into a sound ortelephony program.• Surround connector — Use the black surround connector to attach multichannel-capable speakers.• Center/subwoofer (Center/LFE) connector — Use the yellow subwooferconnector to attach multiple speakers.