Asus P5GD2-X P5GD2-X User's Manual for English Edition - Page 16

8-channel high definition audio Onboard is the C-Media CMI9880L 7.1-channel audio CODEC. This CODEC is fully-compliant with Intel® High Definition Audio standard (192 KHz, 24-bit audio). With the CODEC, 8-channel audio ports, and S/PDIF interfaces, you can connect your computer to home theater decoders to produce crystal-clear digital audio. The CMI9880L CODEC comes with a software application that features jack detection to monitor the plugging status of each jack, impedance sensing to determine audio device classes, and pre-defined equalization for various audio devices. See page 1-26 and 1-27 for details. S/PDIF digital sound ready The motherboard supports the S/PDIF Out function through the midboard S/PDIF interface. The S/PDIF technology turns your computer into a high-end entertainment system with digital connectivity to powerful audio and speaker systems. See page 1-27 for details. USB 2.0 technology The motherboard implements the Universal Serial Bus (USB) 2.0 specification, dramatically increasing the connection speed from the 12 Mbps bandwidth on USB 1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1. See pages 1-27, 1-31, and 2-22 for details. Temperature, fan, and voltage monitoring The CPU temperature is monitored by the Winbond Super I/O to prevent overheating and damage. The system fan rotation per minute (RPM) is monitored for timely failure detection. The Winbond Super I/O monitors the voltage levels to ensure stable supply of current for critical components. 1.3.2 ASUS Proactive features AI NOS™ (Non-Delay Overclocking System) ASUS Non-delay Overclocking System™ (NOS) is a technology that auto-detects the CPU loading and dynamically overclocks the CPU speed only when needed. See page 2-21 for details. 1-4 Chapter 1: Product introduction