OSSupport:Windows Size:17 *AC97*.5 MB Compatible with ALC-101/201/202/203/250/650/655/658/850 chipsetsAC97 Rev 2 *Driver*.3 Audio CODECGeneral DescriptionFeaturing four 16-bit two-channel DACs and a stereo 16-bit ADC, the ALC850 is an AC97 Rev 2 *Audio*.3 compatible multi-channel AudioCodec designed for PC multimedia systems *Realtek*.The ALC850 incorporates proprietary converter technology and fully meets performance requirements for PC99/2001 systems *Codec*.Four 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 *AC97*.The digital interface circuitry of the ALC850 operates from a low-power consumption 3 *Driver*.3V power supply *Audio*.Two integrated 50mW/20ohm headphone audio amplifiers provide high-quality personal audio listening *Realtek*.Utilizing Universal Audio Jack® technology, Line-In and Mic-In can also serve as Headphone-Out with an amplifier advantage *Codec*.The ALC850 integrates an on-board dual PLL clock generator (14 *AC97*.318MHz and 24 *Driver*.576MHz), saving the cost of a 24 *Audio*.576MHz crystal *Realtek*.A PCBEEP generator is built-in and can be programmed by the BIOS to generate POST beeps without a buzzer *Codec*.S/PDIF input and output functions are also supported, offering easy connection of PCs to consumer electronic products such as AC3 decoders/speakers, and mini disk devices *AC97*.The ALC850 supports host/soft audio from Intel ICHx chipsets, as well as audio controller-based VIA/SiS/ALi/AMD/nVIDIA/ATI chipsets *Driver*.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 *Audio*.In addition, the ALC850 is embedded with an impedance sensing capability to detect when a device has been connected to input or output jacks *Realtek*.Features* Meets performance requirements for audio on PC99/2001 systems* Meets Microsoft WHQL/WLP 2 *Codec*.0 audio requirements* Eight-channel DA converter (48KHz)* Stereo AD converter (48KHz)* Complies with AC97 Rev 2 *AC97*.3 Realtek AC97 Audio Codec Driver A3.97 Specifications:o Jack sensing on Front-Out, Surround-Out, Cen/LFE-Out, Surround-Back-Out, Mic-In, Line-In, and Front-Mic-Ino Clock input support options:+ 14 *Driver*.318MHz PLL (may be set to 24 *Audio*.576MHz) to eliminate crystal+ 12 *Realtek*.288MHz BITCLK input o Integrated PCBEEP generatoro Interrupt capabilityo Page and analog Plug & Play registers * Three analog line-level stereo inputs with 5-bit volume control: Line-In, CD, Aux* High-quality differential CD input* Two analog line-level mono inputs: PCBEEP, Phone-In* A dedicated stereo Front-Mic input for front panel applications* Line-In, Aux, and Mic-In can be shared with Surround-Out, Surround-Back-Out, and Cen/LFE-Out *Codec*.(FlexJack®)* +20dB boost preamplifier for Mic input* Both Front-Out and Surround-Out integrate 50mW/20ohm amplifiers* External Amplifier Power Down (EAPD)* Power management and enhanced power saving features* Stereo Mic record for AEC/BF application* Supports Power-Off CD operation* Adjustable VREFOUT control* Supports 48KHz S/PDIF output* Supports 32K/44 *AC97*.1K/48KHz S/PDIF input* Three Universal Audio Jacks (UAJ®): Front-Out, Line-In, and Mic-In* Six Jack Detect pins for automatic jack sensing* Power support: Digital: 3 *Driver*.3V; Analog: 3 *Audio*.3V/5V* Standard 48-pin LQFP package* EAX™ 1 *Realtek*.0 & 2 *Codec*.0 compatible* Direct Sound 3D™ compatible* A3D™ compatible* I3DL2 compatible* HRTF 3D positional audio* Sensaura™ 3D Enhancement (optional)* 10-band Software Equalizer* Voice cancellation and key shifting in Karaoke mode* AVRack® Media Player* Configuration Panel for enhanced user experience Supports Windows 98Gold/98se/Me/2000/XP/2003(32/64 bits) *AC97*.For Windows 98 SE, DirectX(R)8 is required to enable advanced features *Driver*.Realtek AC97 Audio Codec Driver A3.97 is highly recommended to always use the most recent Driver version available *Audio*.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games *Realtek*.Try to set a system restore point before installing a device Driver *Codec*.Realtek AC97 Audio Codec Driver A3.97 will help if you installed a wrong Driver *AC97*.Problems can arise when your hardware device is too old or not supported any longer *Driver*.