Acer 521 Laptop User Manual


 
26 Chapter 1
Audio Codec and Amplifier
LAN Interface
Keyboard
Media Card Reader
Camera
Item Specification
Audio
Controller
CX20672-11Z
Package 40-QFN
Features Compliant with Intel High Definition Audio Specification Rev. 1.0
Internal Digital Microphone
Integrated 2 WRMS (per channel) class-D stereo speaker amplifier with
Spread Spectrum and 10-kV ESD withstand capability
Item Specification
LAN Chipset ATHEROS AR8152-AL1A-RL
Features Integrated PHY for 10/100 Mbps
IEEE 802.3 Auto-Negotiation support
IEEE 802.3 PHY compliance and compatibility
Supports automatic MDI/MDIX functions
Cable Diagnostic Test (CDT) for open, short cable, cable
length detection, and incorrect or mismatched
impedance
Cable length to 180 meters
Supports +/-100 ppm clock offset; Link stable with 3m +
180m + 3m test
Link Period <1.5s
Item Specification
Type ACER AC7T_A10B AC7T Internal 17
Total number of keypads 103/104/107
Windows logo key Yes
Internal & external keyboard work
simultaneously
Yes
Features Supports application keys for Windows 7 version
Item Specification
Chipset AU6437-GBL -GR
Package LQFP
Features Fully compatible with USB2.0 High Speed and backward
compatible with USB1.1 specifications
Supports multiple flash card interfaces, including SD/
MMC/xD/MS.
Supports single LUN
Supports both Windows and Mac OS
Item Specifications
Vendor and model SUYIN/ Chicony/ Liteon
Type CMOS image sensor with WXGA (resolution 1280X800)
Interface USB Port