Power support: Digital: 3.3V Analog: 3.3V/5V.Six Jack Detect pins for automatic jack sensing.Three Universal Audio Jacks (UAJ): Front-Out, Line-In, and Mic-In.Stereo Mic record for AEC/BF application.Power management and enhanced power saving features.Both Front-Out and Surround-Out integrate 50mW/20ohm amplifiers.Line-In, Aux, and Mic-In can be shared with Surround-Out, Surround-Back-Out, and Cen/LFE-Out.
A dedicated stereo Front-Mic input for front panel applications. Two analog line-level mono inputs: PCBEEP, Phone-In. Three analog line-level stereo inputs with 5-bit volume control: Line-In, CD, Aux. Jack sensing on Front-Out, Surround-Out, Cen/LFE-Out, Surround-Back-Out, Mic-In, Line-In, and Front-Mic-In. Page and analog Plug and Play registers. Complies with AC’97 Rev 2.3 specifications:. Meets Microsoft WHQL/WLP 2.0 audio requirements. Meets performance requirements for audio on PC99/2001 systems. In addition, the ALC850 is embedded with an impedance sensing capability to detect when a device has been connected to input or output jacks. Bundled Windows series (98/ME/NT/2000/XP) and Linux drivers, EAX/Direct Sound 3D/I3DL2/A3D compatible sound effect utilities (supporting Karaoke, 26 types of environment sound emulation, 10-band equalizer), HRTF 3D positional audio, and Sensaura 3D (optional), providing an excellent entertainment package and game experience for PC users. The ALC850 supports host/soft audio from Intel ICHx chipsets, as well as audio controller-based VIA/SiS/ALi/AMD/nVIDIA/ATI chipsets. The ALC850 incorporates proprietary converter technology and fully meets performance requirements for PC99/2001 systems.įour pairs of stereo outputs, with 5-bit volume control and multiple stereo and mono inputs, along with flexible mixing, and gain and mute functions, provide a complete integrated audio solution for PCs. Featuring four 16-bit two-channel DACs and a stereo 16-bit ADC, the ALC850 is an AC’97 Rev 2.3 compatible multi-channel audio CODEC designed for PC multimedia systems. It is highly recommended to always use the most recent driver version available. 
It is used as onboard sound on many motherboards. Realtek AC’97 Audio Driver for Windows 7 and Vista supports all ALC series audio chipsets from ALC101 up to ALC861.
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