System Board Major Chips

Item

Controller

 

 

System core logic

Intel 852GM and ICH4-M

 

 

Super I/O controller

SMC LP47N217

 

 

Audio controller

Realtek ALC202 Codec

 

 

Video controller

Intel 852GM

 

 

Hard disk drive controller

ICH4-M

 

 

Keyboard controller

ENE KB910

 

 

RTC

ICH4-M

 

 

Keyboard

Item

Specification

 

 

Keyboard controller

ENE KB910

 

 

Keyboard vendor & model name

Standard keyboard w/o launch button embeded

 

 

Total number of keypads

85/US, 86/UK keys with 101/102 key emulation

 

 

Windows logo key

Yes

 

 

Internal & external keyboard work simultaneously

Yes

 

 

Battery

Item

Specification

 

 

Vendor & model name

Sony/Samsung

 

 

Battery Type

Li-ion

 

 

Pack capacity

31Wh / 63Wh

 

 

Cell voltage

3.7V/cell

 

 

Number of battery cell

4 / 8

 

 

Package configuration

Pin 1: BATT+: Battery positive power pin

 

 

 

Pin 2: 6C/8C

 

 

 

Pin 3: B/I: Enable Li-ion battery output, connect to 1k resistor to

 

GND in system.

 

 

 

Pin 4: TS: connect 10K ohm Thermistor to GND

 

 

 

Pin 5: EC_SMD1: SMbus DATA

 

 

 

Pin 6: EC_SMC1: SMbus CLOCK

 

 

 

Pin 7: GND: battery ground power pin

 

 

Package voltag

14.8V

 

 

LCD Inverter Specification

This inverter is designed to light up the CCFL of LCD for TravelMate 290E series notebook. It should be supported the following LCD panels.

 

 

No.

Supplier

Model

Type

 

 

 

 

 

 

 

 

 

 

1

AU

B141XN04

TFT, 14.1” XGA

 

 

 

 

 

 

 

 

 

2

CMO

N141X6-L01

TFT, 14.1” XGA

 

 

 

 

 

 

 

 

 

3

CPT

CLAA141XF01

TFT, 14.1” XGA

 

 

 

 

 

 

 

 

 

4

Toppoly

TD141TGCB1

TFT, 14.1” XGA

 

 

 

 

 

 

 

 

 

5

AU

B150XG02-V1

TFT 15.0” XGA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

 

 

 

 

Chapter 1

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Image 34
Acer 290E manual System Board Major Chips, Keyboard, Battery, LCD Inverter Specification