Acer Aspire 1420P Series Service Manual page 29

LAN Interface
Item
LAN Chipset
Package
Features
Keyboard
Item
Keyboard Controller
Total number of keypads
Windows logo key
Internal & external keyboard work
simultaneously
Features
Media Card Reader
Item
Chipset
Features
Chapter 1
Atheros AR8131L
48pin QFN
• 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.
Winbond WPCE775LA0DG
US: 86
UK: 86
UI: 86
GERMAN: 86
Yes
Plug USB keyboard to the USB port directly: Yes
• Plug USB keyboard to the USB port directly: Yes
Specification
Alcor AU6433
• 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
Specification
Specification
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