Hardware Right Side Right Side 1 Antenna (available on select models and not visible from outside the notebook) * Sends and receives wireless device signals. 2 Infrared port Provides wireless communication between the notebook and an optional IrDA-compliant device. 3 Power connector Connects an AC adapter cable. 4 Security cable slot Attaches an optional security cable to the notebook. *The notebook has 2 antennas. The second is on the right side of the notebook. For optimal transmissions, keep the areas immediately over the antennas free from obstructions. 2–12 Startup and Reference Guide—Part 2