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4
Chapter




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
Hardware Functional Overview
Main components block diagram:


Single Socket 370
CPU



Host Bus


CRT VIA
SDRAM
VT8601
SODIMM
LCD ProMedia
PCMCIA BUS




SOCKET1
Ti-1225
PCI BUS




CardBus
SOCKET0

AC97 CODEC Card power



VIA Super IO
USB VT82C686A Serial Port
South Bridge Parallel Port
HDD FDD
CDROM


ISA BUS



ROM KBC
BIOS M38867



GlidePad EXT KB

INT KB
PS/2
Mouse


FIC A440 Series Service Manual 4-2
Hardware Functional Overview
System SMBUS block diagram:

SMBUS VIA DRAM SMBUS SELECT

VT82C686
VCC SW
2N7002

SMBUS SELECT




SDRAM
Clock
SOCKET




Battery SMBUS block diagram:

VCCSW
M38867 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