F CHAP4W MEDION A440_Service_Manual.pdf

Hardware Functional Overview

4.1 Overview

The A440 is an IBM PC/AT compatible notebook PC which supports the Socket 370 processor family.

The following are the major features that A440 supports.

Microsoft PC99 and ACPI logo approves.

Offers 1024x768 high resolution LCD display with 12.1“ ,13.3”&14.1’’ panel.

Supports the powerful & flexible Power Management modes.

Support PCI 2.1

Support AGP 2.0

Support ACPI 1.0.

Support SMBios 2.3

Support 66/100 MHz CPU Front Side Bus.

Support a proprietary Port Replicator.

4.2 Summary of H/W Related Spec.

This section describes about the key component list that using on A440 machine and it's related marketing

specification.

FIC A440 Series Service Manual 4-1

Chapter

Hardware Functional Overview

Main components block diagram:

Single Socket 370

CPU

Host Bus

CRT

VIA

VT8601

ProMedia

SDRAM

SODIMM

LCD

PCMCIA BUS

Ti-1225

CardBus

SOCKET1

SOCKET0

AC97 CODEC

Card power

USB

VIA

VT82C686A

South Bridge

Super IO

Serial Port

Parallel Port

HDD

FDD

CDROM

ISA BUS

ROM

KBC

BIOS

M38867

GlidePad

EXT KB

PS/2

Mouse

INT KB

FIC A440 Series Service Manual 4-2

Hardware Functional Overview

System SMBUS block diagram:

SMBUS

VIA

VT82C686

DRAM SMBUS SELECT

2N7002

VCC SW

SMBUS

SELECT

Clock

SDRAM

SOCKET

Battery SMBUS block diagram:

M38867

VCCSW

SMBUS

2N7002

SMBUS

MAX1617

VCC Always

PIC

Battery

FIC A440 Series Service Manual 4-3

Hardware Functional Overview

4.2.1 H/W Key ChipSet List

Controller Chip

Vender

Description

Processor

Intel

Pentium III 650- 850 Mhz Celeron 500 – 667 Mhz

North Bridge

VIA

ProMedia VT8601

South Bridge

VIA

ProMedia VT82C686A

VGA Controller

Trident

Trident 8400 North Bridge Integrated

PCMCIA Controller

Ti –1225

Supper I/O Controller

VIA

South Bridge Integrated

Audio Codec

WM9701A(AC97 1.03) /WM9703(AC97 2.1)

Audio Amplifier

TPA0102

Keyboard Controller

Mitsubishi

M38867

PMU Controller

MicroChip

PIC-16C62 B ( SSOP )

ROM BIOS

Winbond

W29C040P

Clock Generator

IC Work

W156

Temperature Sensor

VIA

South Bridge embeded

LVDS

THC63LVDM63A

MODEM

Lucent

PCI bus S/W Modem Lucent Mars3

LAN

INTEL

Intel 82559

FIC A440 Series Service Manual 4-4

Hardware Functional Overview

4.3 Summary Of BIOS Spec.

Controller Chip

Description

BIOS Feature

Boot Block / Crisis Rescue

APM 1.2 Compliance

Support PCI 2.1 Spec

Support Win98,Win2000.

Support flash function for new BIOS update

Support 3 Mode FDD

Support DMI 2.0 spec. (SMBIOS 2.3)

Support ACPI 1.0 spec.

Support AGP 2.0.

Support maximal 4 different keyboards on same bios.

CPU

Auto detect the CPU type and speed for the Socket 370 or Slot 1based system

DRAM

Auto sizing and detection. Support PC-100 SDRAM.

Cache

Level 2 Sync/Async PBSRAM auto sizing and detection

Always enable CPU L1 and external L2 cache.

Shadow

Always enable VGA and System BIOS shadow

Display

System auto detects LCD or CRT presence on boot and lid closed.

Support Panning while LCD in a display resolution greater than supported

Support Microsoft Direct 3D

Hard Disk

Enhanced IDE spec.

Support auto IDE detection.

Support LBA mode for larger capacity HDD.

Support 32-bit PIO transfer.

Support Multi-sector transfer.

Support Fast PIO mode 1-4 transfer.

Support Ultra DMA 33.

Multi Boot

Allow the user to select boot from FDD, HDD, CD-ROM

Plug and Play

Support PnP Run Time Service and conflict-free allocation of resource during POST

Smart Battery

Support BIOS interface to pass battery information to the application via SMBus.

Keyboard Controller

Support Fn hot keys, two Windows hot keys, built-in Glide Pad and external PS/2

mouse/keyboard

PCMCIA

Compliant with PCMCIA 2.1 specification.

Port Replicator

I/O port replicator duplicates the following ports

Video port

Printer port

COM1 port

PS/2 Mouse & Standard Keyboard port

USB Port

DC In Jack

Pointing stick

The pointing stick device is the small red knob ( it looks lie a pencil eraser ) that sits

just below the [G] and [H] keys of your keyboard. This pressure-sensitive device

translates the pressure of your fingertip on the knob into movement of the cursor. Shift

the pressure of your fingertip slightly in the direction in which you want to move the

FIC A440 Series Service Manual 4-5

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