Acer Aspire 5820T Series, Service Manual, Page: 31 / 268

Chapter 1 21
LAN Interface
Keyboard
Media Card Reader
Camera
Item Specification
LAN Chipset ATHEROS AR8131L
Package 48pin QFN
Features • The AR8131L is the third generation Gigabit Ethernet
(GbE) controller solution from Atheros. It is an ultra-high
performance, ultralow cost, and ultra-low power fully
integrated 10/100/1000 Mbps NIC/LOM Ethernet
controller perfectly suited for both PC and embedded
applications.
• The AR8131L combines a 10/100/1000BASE-T GbE
media access controller (MAC), a triplespeed Ethernet
physical layer transceiver (PHY), and a PCI Express bus
interface.
• The AR8131L is compliant with IEEE 802.3u
specification for 10/100 Mbps Ethernet and IEEE
802.3ab specification for 1000 Mbps Ethernet.
• The AR8131L device combines pulse shaping, Tx/Rx
PCS, echo canceller, NEXT canceller, equalizer,
decoder, and timing recovery functions to deliver robust
signal performance in noisy environments.
• The AR8131L GbE controller supports checksum off-load
features for IP, TCP, and UDP,
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
Focusing range 26.6cm ~ infinity
Dimensions (L x W x H
mm) 65.0±0.3 X 8.0±0.1 X 3.69+0.11/-0.2 mm