HP 454176-001 - Audio and infrared (IR) circuit board - Contains the IR receiver, microphone, line-in, and headphone jacks Retail
HP 463975-001 - Audio circuit board - Includes audio connectors, infrared (IR) lens, and audio board cables Retail
HP 449453-001 - Audio and infrared (IR) circuit board - Contains the IR receiver, microphone, line-in, and headphone jacks Retail
HP 830801-001 - Connector board - Includes audio jack and USB port - For use in models without WWAN capability Retail