Introducing the OmniBook OmniBook Features OmniBook—Side View 12. PS/2 keyboard or PS/2 mouse port (supports Y adapter). 15. Audio connectors (left to right): line-in, microphone-in, headphones-out. 13. System-off button. 16. Hard disk drive. 14. Infrared port. Windows NT 4.0 does not support infrared communication. Use this port for wireless data transmission between the OmniBook and another computer or a printer with an infrared port. You must install infrared drivers. 17. Power status lights (left to right): power state, drive activity, charging status. 18. Built-in speaker. (Use headphones for stereo sound.) 19. Lithium ion battery. 14 Reference Guide