Acer Aspire E700 Aspire E700 Service Guide - Page 30

Audio Interface Item Chip Feature Description Realtek ALC888 (high definition audio) • 48-pin LQFP green package • High performance DACs with 95dB SNR (A-Weighting), ADCs with 85dB SNR (A-Weighting) • Meets performance requirements for audio on PC2001 systems and Microsoft WLP 2.x • Ten DAC channels 16/20/24bit PCM format support for 7.1 sound playback, plus two channels of independent stereo sound output (multiple streaming) through the front panel output • Two stereo ADCs 16/20/24bit PCM format support, one for stereo microphone, one for legacy mixer recording • All DACs 44.1/48/96/192KHz sample rate support • 16/20/24bit S/PDIF out supports 44.1/48/96/192KHz sample rate. • 16/20/24bit S/PDIF in supports 44.1/48/96KHz sample rate. • Up to four channels of microphone array input are supported for AEC/BF application. • High-quality analog differential CD input • External PCBEEP input and built-in digital BEEP generator • Reserve analog mixer architecture for backward compatibility with AC'97 • Wide range (-80dB ~ +42dB) volume control with 1.5dB resolution of analog to analog mixer gain • Two GPIOs (General Purpose Input/Output) for customized applications • Digital power support: 3.3V • Analog power support: 3.5V ~ 5.25V • Enhanced S/PDIF in circuitry ensures compatibility with consumer DVD players. • Pin compatible with the ALC880 and ALC882 1394 Interface Item Chip Feature Description TSB43AB23PDTG • Compliant with the IEEE 1394-1995 Release 1.0 and support IEEE 1394a P2000 specifications with full 1394a P2000 • Compliant with the PCI V2.2 specification and card bus interfaces support • Three 1394a ports enable connections at 100/200/400Mbps • Equipped with an OHCI compliant programming interface and I2C EEPROMs or four-wire serial ROMs 22 Chapter 1