Schematic lenovo e520 llg-1 10292-1 schematic

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lenovo e520 llg-1 10292-1 schematic

lenovo e520=1=llg-1 10292-1.pdf

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Technical Specifications

Parameter	Value
Brand	Wistron Corporation
Model	LLW-1 / LGG-1
Motherboard Manufacturer	Wistron Corporation
Project Code	LLW-1 / LGG-1
Board Number	10282
Document Number	A3194
Revision	A3
Date	Tuesday, November 09, 2010
CPU Platform	Sandy Bridge
PCH / Southbridge	Cougar Point
GPU Type	Whistler-LP 1G/2G / Seymour-XT 1G 2GB/1GB
Graphics Architecture	AMD GPU
EC / KBC	Nuvoton NPCE795
Audio Codec	CX20671
BIOS / SPI Flash	SPI FLASH
Charging IC	BQ24745
Power IC(s)	TPS51218, RT8208B, RT8015, BD95280, NCP6131, RT9025, RT9026
RAM Type	DDR3
RAM Architecture	DDR3 1333MHz
RAM Quantity / Slots	2
Thermal Sensor	EMC2103
Card Reader IC	Media Card Reader
LAN IC	RTL8111E
WiFi / WLAN IC	WLAN Card

Technical Summary

The Wistron LLW-1 / LGG-1 motherboard, document number A3194 revision A3 dated November 09, 2010, is built on the Sandy Bridge CPU platform with a Cougar Point PCH. The board number is 10282. Graphics are handled by an AMD GPU, with discrete SKU options including Whistler-LP 1G/2G or Seymour-XT 1G 2GB/1GB. The embedded controller is a Nuvoton NPCE795, and the audio codec is a CX20671. System memory consists of two unbuffered DDR3 SODIMM slots supporting DDR3 1333MHz. Power management is handled by a BQ24745 battery charger and multiple DC/DC converters including TPS51218, RT8208B, RT8015, BD95280, NCP6131, RT9025, and RT9026. The board features a SPI flash for BIOS, an RTL8111E LAN IC, an EMC2103 thermal sensor, and a media card reader.

Technician FAQ

Q: What EC/KBC is used on this motherboard?

A: The embedded controller is a Nuvoton NPCE795.

Q: What is the charging IC on this motherboard?

A: The battery charger IC is a BQ24745.

Q: What discrete GPU options are supported?

A: The board supports Whistler-LP 1G/2G or Seymour-XT 1G 2GB/1GB AMD GPUs.

Q: What is the memory configuration?

A: The board uses two unbuffered DDR3 SODIMM slots supporting DDR3 1333MHz.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.

Indexed motherboard components

Open a component to see every indexed schematic that uses the same part.

LGG-1 Project Code LLW-1 Project Code 10282 Board Number Sandy Bridge CPU Platform Whistler-LP 1G/2G / Seymour-XT 1G 2GB/1GB Graphics AMD GPU Graphics NPCE795 EC / KBC CX20671 Audio Codec BQ24745 Charging / PD IC BD95280 Power IC NCP6131 Power IC RT8015 Power IC RT8208B Power IC RT9025 Power IC RT9026 Power IC TPS51218 Power IC DDR3 RAM Type EMC2103 Thermal / Fan Control RTL8111E LAN Controller WLAN Card WiFi / WLAN