18English Right viewRear view# Item Description1 Optical drive Internal optical drive; accepts CDs or DVDs2 Optical diskaccess indicatorLights up when the optical drive is active.3 Optical driveeject buttonEjects the optical disk from the drive.4 Emergency ejectholeEjects the optical drive tray when the computer isturned off.# Icon Item Description1 Three USB 2.0portsConnect to USB 2.0 devices (e.g., USBmouse, USB camera).2 Modem (RJ-11)portConnects to a phone line.3 DC-in jack Connects to an AC adapter.4 Ventilation slots Enable the computer to stay cool, even afterprolonged use.5 Kensington lockslotConnects to a Kensington-compatiblecomputer security lock.5