Acer Aspire 5742 Service Guide - Page 35

Audio Codec and Amplifier Item Specification Audio Controller Realtek ALC272X-GR Features • Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) • Two stereo ADC supports 16/20/24-bit PCM format for two independent recording • All DACs support independent 44.1k/48k/96k/192kHz sample rate • Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate • Supports line level mono output • Supports analog PCBEEP input, and features an integrated digital BEEP generator • Support two stereo digital microphone input for microphone array AEC/BF application • Supports legacy analog mixer architecture • Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) • Supports EAPD (External Amplifier Power Down) control for external amplifier • Supports anti-pop mode when analog power AVDD is on and digital power is off • Supports 1.5V~3.3V scalable I/O for HD Audio link • 48-pin LQFP 'Green' package Wireless Module 802.11b/g/n Item Specification Chipset Atheros HB93/ HB97, Broadcom BCM943225/ BCM43225, Realtek RTL8192, Data throughput 11~54 Mbps, up to 270 Mbps for Draft-N Protocol 802.11 b+g, Draft-N Interface PCI bus (mini PCI socket for wireless module) Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell Package configuration Sanyo AS10D, Simplo AS10D, Sony AS10D, Samsung AS10D, Panasonic AS10D Li-ion 2200 mAh 6 3S2P Specification Chapter 1 25