1-8 Reviewing System FeaturesAudio ConnectorsYour system unit has the following audio connectors: Microphone-in jackUse this jack to connect a microphone for recording audio informationin your data files. Line-in jackUse this jack to connect a stereo audio device such as a stereoamplifier or a cassette for playback or recording. Headphone jackUse this jack to connect an optional headphone set. Plugging in theheadphone set disables the built-in system speakers.Universal Serial Bus PortsThe system unit comes with two USB ports. The ports allow you to easilyand conveniently add Plug and Play USB devices without opening up thesystem. You simply plug the USB device into a port. You can connect upto 127 USB devices including a keyboard, mouse, monitor, printer,scanner, or speaker set.Hard DriveThe system comes with an enhanced intelligent device electronics (EIDE)hard drive. The drive features ultra direct memory access (DMA) 66technology for fast data transfer. The drive also features Self-Monitoring,Analysis and Reporting (SMART®) technology.The drive is located inside the system unit, behind the hard drive accesspanel on the right side.Hard disk activity is indicated by a flashing green lamp on the front of thesystem unit.Anti-theft BracketYour system comes with an anti-theft bracket installed on the right side ofthe system unit, below the hard drive access panel. Secure your mouseand keyboard cables within the anti-theft bracket to make it difficult toremove the cables from the system.