Acer Aspire S3-391 Acer Aspire S3-391 Notebook Service Guide - Page 33

Item Compatibility Sampling rate Internal microphone Internal speaker/quantity Webcam Specification High Definition Audio Specification 1 Hz resolution VSR (Variable Sampling Rate) Yes Yes, two speakers Item Vendor and models Resolution Specification  Lite-On HD_S LT_119_SP  Primax PM_S119_SP  Suyin SY_S119_SP 1.3 MP HD Wireless LAN Item Module Frequency band Protocols and data rates supported Interface Form factor Antennae Specification  Broadcom 4313iPA+20702  Foxconn Atheros WB225  Lite-On Atheros WB225 2.4 GHz  802.11b - 1-11 Mbps  802.11g - 6-54 Mbps  802.11n - 6.5-300 Mbps PCI Express Compact Half-Mini Card Yes, two routed in the display assembly USB Interface Item Controller Number and location of USB port EHCI Output current Specification USB 2.0 - Integrated in the Mobile Intel® HM65/HM67/QM67 Express Chipset USB 2.0 - Two (Back) 2 1.0A for each connector HDMI Port Item Compliance level HDMI 1.4a Specification Hardware Specifications and Configurations 1-25