Acer Aspire E1-531 Acer Aspire E1-531 and E1-571 Notebook Service Guide - Page 35

Audio Codec and Amplifier Item Audio Controller Specification Audio codec: Realtek ALC271X-GR Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Realtek ALC271X-GR On board Stereo Support 16/24bit PCM HD audio Interface Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) Yes Yes/(2W speakers x2) Wireless Module 802.11b/g/n Item Chipset Data throughput Protocol Interface Specification Qualcomm Broadcom Realtek 11~54 Mbps, up to 270 Mbps for Draft-N 802.11 b+g+n 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 Li-ion 4400 mAh 6 3S2P Specification SIMPLO AS10D71/73 Li-ion 4400 mAh 6 3S2P Hardware Specifications and Configurations 1-28