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Chapter 1 19
LAN Interface
Keyboard
Media Card Reader
Item Specification
LAN Chipset Atheros AR8131L
Package 48pin QFN
Features • It is an ultra-high performance, ultralow cost, and ultra-
low power fully integrated 10/100/1000 Mbps NIC/LOM
Ethernet.
• 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, lowering CPU utilization
and optimizing network performance.
Item Specification
Keyboard Controller Winbond WPCE775LA0DG
Total number of keypads US: 86
UK: 86
UI: 86
GERMAN: 86
Windows logo key Yes
Internal & external keyboard work
simultaneously
Plug USB keyboard to the USB port directly: Yes
Features • Plug USB keyboard to the USB port directly: Yes
Item Specification
Chipset Alcor AU6433
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
• 48-pin LQFP