Acer Aspire M5-481PT Acer Aspire M5-481T, PT, and TG Notebook Service Guide - Page 45

Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Compatibility Sampling rate Internal microphone Internal speaker/quantity Specification Realtek ALC271-VB On board Stereo 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 Atheros WB222 11-54 Mbps, up to 300 Mbps for Draft-N b, g, n PCI-E Battery Item Vendor & Model name SANYO AP12A3i Battery Type Li-Ion Pack capacity 4850mAh Number of battery cell 3 Package configuration 2S1P Specification VRAM Item Chipset Memory size Interface Elpida 4Gb Standard define Specification Hynix 4Gb Standard define Hardware Specifications and Configurations 1-35