Toshiba satellite pro a120, tecra a8 Service Manual

Toshiba Personal Computer

TECRA A8 series / Satellite Pro A120 series

Maintenance Manual

TOSHIBA CORPORATION

File Number 960-573

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Copyright

© 2006 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein.

Toshiba Personal Computer TECRA A8 series / Satellite Pro A120 series Maintenance Manual

First edition June 2006

Disclaimer

The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the TECRA A8 series / Satellite Pro A120 series at the time of this manual’s production. However, succeeding computers and manuals are subject to change without notice. Therefore, Toshiba assumes no liability for damages incurred directly or indirectly from errors, omissions, or discrepancies between any succeeding product and this manual.

Trademarks

IBM is a registered trademark and IBM PC is a trademark of International Business Machines Corporation.

Intel, Intel SpeedStep, Intel Core, Celeron and Centrino are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries/regions.

Windows and Microsoft are registered trademarks of Microsoft Corporation. Photo CD is a trademark of Eastman Kodak.

Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license. i.LINK is a trademark of Sony Corporation.

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Preface

This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer TECRA A8 series / Satellite Pro A120 series.

The procedures described in this manual are intended to help service technicians isolate faulty Field Replaceable Units (FRUs) and replace them in the field.

SAFETY PRECAUTIONS

Four types of messages are used in this manual to bring important information to your attention. Each of these messages will be italicized and identified as shown below.

DANGER: “Danger” indicates the existence of a hazard that could result in death or serious bodily injury, if the safety instruction is not observed.

WARNING: “Warning” indicates the existence of a hazard that could result in bodily injury, if the safety instruction is not observed.

CAUTION: “Caution” indicates the existence of a hazard that could result in property damage, if the safety instruction is not observed.

NOTE: “Note” contains general information that relates to your safe maintenance service.

Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly.

Be sure to fasten screws securely with the right screwdriver. If a screw is not fully fastened, it could come loose, creating a danger of a short circuit, which could cause overheating, smoke or fire.

If you replace the battery pack or RTC battery, be sure to use only the same model battery or an equivalent battery recommended by Toshiba. Installation of the wrong battery can cause the battery to explode.

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The manual is divided into the following parts:

Chapter 1 Hardware Overview describes the TECRA A8 series / Satellite Pro A120 series system unit and each FRU.

Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems.

Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service.

Chapter 4 Replacement Procedures describes the removal and replacement of the FRUs.

Appendices The appendices describe the following:

Handling the LCD module

Board layout

Pin assignments

Keyboard scan/character codes

Key layout

Wiring diagrams

BIOS rewrite procedures

EC/KBC rewrite procedures

Reliability

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Conventions

This manual uses the following formats to describe, identify, and highlight terms and operating procedures.

Acronyms

On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition. For example:

Read Only Memory (ROM)

Keys

Keys are used in the text to describe many operations. The key top symbol as it appears on the keyboard is printed in boldface type.

Key operation

Some operations require you to simultaneously use two or more keys. We identify such operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means you must hold down Ctrl and at the same time press Pause (Break). If three keys are used, hold down the first two and at the same time press the third.

User input

Text that you are instructed to type in is shown in the boldface type below:

DISKCOPY A: B:

The display

Text generated by the computer that appears on its display is presented in the type face below:

Format complete

System transferred

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Table of Contents

Chapter 1 Hardware Overview
1.1	Features ......................................................................................................................	1-1
1.2	2.5-inch Hard Disk Drive.........................................................................................	1-14
1.3	Keyboard..................................................................................................................	1-16
1.4	Optical Drive............................................................................................................	1-17
1.5	TFT Color Display...................................................................................................	1-21
1.6	Power Supply ...........................................................................................................	1-24
1.7	Batteries ...................................................................................................................	1-28
1.8	AC Adaptor..............................................................................................................	1-30

Chapter 2 Troubleshooting Procedures
2.1	Troubleshooting .........................................................................................................	2-1
2.2	Troubleshooting Flowchart........................................................................................	2-3
2.3	Power Supply Troubleshooting..................................................................................	2-7
2.4	System Board Troubleshooting................................................................................	2-21
2.5	USB FDD Troubleshooting .....................................................................................	2-45
2.6	HDD Troubleshooting .............................................................................................	2-48
2.7	Keyboard and Touch pad Troubleshooting..............................................................	2-53
2.8	Display Troubleshooting..........................................................................................	2-56
2.9	Optical Drive Troubleshooting ................................................................................	2-58
2.10	Modem Troubleshooting..........................................................................................	2-60
2.11	LAN Troubleshooting..............................................................................................	2-62
2.12	Bluetooth Troubleshooting ......................................................................................	2-63
2.13	Wireless LAN Troubleshooting...............................................................................	2-65
2.14	Sound Troubleshooting............................................................................................	2-67
2.15	SD card Slot Troubleshooting..................................................................................	2-70
2.16	Fingerprint sensor Troubleshooting.........................................................................	2-71

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Chapter 3 Tests and Diagnostics
3.1	The Diagnostic Test ...................................................................................................	3-1
3.2	Executing the Diagnostic Test ...................................................................................	3-4
3.3	Setting of the hardware configuration .......................................................................	3-9
3.4	Heatrun Test.............................................................................................................	3-11
3.5	Subtest Names..........................................................................................................	3-12
3.6	System Test..............................................................................................................	3-14
3.7	Memory Test............................................................................................................	3-16
3.8	Keyboard Test..........................................................................................................	3-17
3.9	Display Test .............................................................................................................	3-18
3.10	Floppy Disk Test......................................................................................................	3-21
3.11	Printer Test...............................................................................................................	3-23
3.12	Async Test ...............................................................................................................	3-25
3.13	Hard Disk Test .........................................................................................................	3-26
3.14	Real Timer Test........................................................................................................	3-29
3.15	NDP Test..................................................................................................................	3-31
3.16	Expansion Test.........................................................................................................	3-32
3.17	CD-ROM/DVD-ROM Test .....................................................................................	3-34
3.18	Error Code and Error Status Names.........................................................................	3-35
3.19	Hard Disk Test Detail Status ...................................................................................	3-38
3.20	ONLY ONE TEST...................................................................................................	3-40
3.21	Head Cleaning..........................................................................................................	3-47
3.22	Log Utilities .............................................................................................................	3-48
3.23	Running Test............................................................................................................	3-50
3.24	Floppy Disk Drive Utilities......................................................................................	3-51
3.25	System Configuration ..............................................................................................	3-56
3.26	Wireless LAN Test Program (Atheros) ...................................................................	3-58
3.27	Wireless LAN Test Program (Intel-made b/g, a/b/g)...............................................	3-65
3.28	LAN/Modem/Bluetooth/IEEE1394 Test Program ..................................................	3-69
3.29	Sound Test program.................................................................................................	3-84
3.30	SETUP .....................................................................................................................	3-90

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Chapter 4 Replacement Procedures
4.1	General.......................................................................................................................	4-1
4.2	Battery pack ...............................................................................................................	4-8
4.3	PC card.....................................................................................................................	4-10
4.4	SD card.....................................................................................................................	4-11
4.5	HDD.........................................................................................................................	4-12
4.6	MDC/Memory module.............................................................................................	4-16
4.7	Keyboard..................................................................................................................	4-19
4.8	Optical drive.............................................................................................................	4-22
4.9	Wireless LAN card ..................................................................................................	4-25
4.10	Cover assembly........................................................................................................	4-27
4.11	SW membrane..........................................................................................................	4-31
4.12	Fingerprint sensor board ..........................................................................................	4-33
4.13	Touch pad.................................................................................................................	4-35
4.14	SD card slot..............................................................................................................	4-38
4.15	Bluetooth module.....................................................................................................	4-39
4.16	Serial/S-Video board................................................................................................	4-41
4.17	RTC battery .............................................................................................................	4-42
4.18	Modem jack .............................................................................................................	4-44
4.19	Fan............................................................................................................................	4-45
4.20	System board............................................................................................................	4-47
4.21	Battery lock..............................................................................................................	4-49
4.22	HDD cable ...............................................................................................................	4-51
4.23	Heat sink/CPU .........................................................................................................	4-52
4.24	PC card slot ..............................................................................................................	4-56
4.25	LCD unit/FL inverter ...............................................................................................	4-57
4.26	Cover latch...............................................................................................................	4-62
4.27	Display rear cover....................................................................................................	4-63
4.28	Wireless LAN antenna/Bluetooth antenna...............................................................	4-65
4.29	Hinge........................................................................................................................	4-71
4.30	Speaker.....................................................................................................................	4-73
4.31	Fluorescent Lamp.....................................................................................................	4-77

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Appendices
Appendix A	Handling the LCD Module ...........................................................................	A-1
Appendix B	Board Layout ................................................................................................	B-1
Appendix C	Pin Assignments............................................................................................	C-1
Appendix D	Keyboard Scan/Character Codes ..................................................................	D-1
Appendix E	Key Layout.....................................................................................................	E-1
Appendix F	Wiring Diagrams............................................................................................	F-1
Appendix G	BIOS rewrite Procedures ..............................................................................	G-1
Appendix H	EC/KBC rewrite Procedures .........................................................................	H-1
Appendix I	Reliability........................................................................................................	I-1

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Chapter 1

Hardware Overview

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1 Hardware Overview

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			1 Hardware Overview
Chapter 1		Contents
1.1	Features.......................................................................................................................		1-1
1.2	2.5-inch Hard Disk Drive .........................................................................................		1-14
1.3	Keyboard ..................................................................................................................		1-16
1.4	Optical Drive ............................................................................................................		1-17
	1.4.1	CD-ROM Drive ..................................................................................	1-17
	1.4.2	DVD-ROM Drive ...............................................................................	1-18
	1.4.3 DVD-ROM & CD-R/RW Drive .........................................................		1-19
	1.4.4	DVD-Super Multi Drive .....................................................................	1-20
1.5	TFT Color Display ...................................................................................................		1-21
	1.5.1	LCD Module .......................................................................................	1-21
	1.5.2	FL Inverter Board ...............................................................................	1-23
1.6	Power Supply............................................................................................................		1-24
1.7	Batteries....................................................................................................................		1-28
	1.7.1	Main Battery .......................................................................................	1-28
	1.7.2	RTC battery.........................................................................................	1-29
1.8	AC Adaptor ..............................................................................................................		1-30

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1 Hardware Overview

Figures
Figure 1-1	Front of the computer .....................................................................................	1-5
Figure 1-2	System unit configuration...............................................................................	1-6
Figure 1-3-1 System unit block diagram (Intel chipset model)...........................................		1-7
Figure 1-3-2 System unit block diagram (ATI chipset model) ...........................................		1-7
Figure 1-4	2.5-inch HDD ...............................................................................................	1-14
Figure 1-5	Keyboard ......................................................................................................	1-16
Figure 1-6	LCD module .................................................................................................	1-21

Tables
Table 1-1	2.5-inch HDD specifications ........................................................................	1-14
Table 1-2	CD-ROM drive specifications......................................................................	1-17
Table 1-3	DVD-ROM drive specifications...................................................................	1-18
Table 1-4	DVD-ROM & CD-R/RW drive specifications.............................................	1-19
Table 1-5	DVD Super Multi drive specifications.........................................................	1-20
Table 1-6	LCD module specifications ..........................................................................	1-21
Table 1-7	FL inverter board specifications...................................................................	1-23
Table 1-8-1	Power supply output rating (Intel chipset model) ........................................	1-25
Table 1-8-2	Power supply output rating (ATI chipset model) .........................................	1-26
Table 1-9	Battery specifications ...................................................................................	1-28
Table 1-10	Time required for charges ............................................................................	1-28
Table 1-11	Data preservation time..................................................................................	1-29
Table 1-12	RTC battery charging/data preservation time...............................................	1-29
Table 1-13	AC adapter specifications.............................................................................	1-30

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1.1 Features

1 Hardware Overview

1.1Features

The Toshiba TECRA A8 series / Satellite Pro A120 series Personal Computer uses advanced Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact size, minimum weight, low power usage and high reliability. This computer incorporates the following features.

There some models and options according to BTO system. Refer to the Parts List for the configuration of each model and options.

Microprocessor

The TECRA A8 series / Satellite Pro A120 series computer is equipped with one of the following processors.

Intel® CoreTM Duo

CoreTM Duo 1.66GHz (Processor Number : T2300E)

1.66GHz (Processor Number : T2300)

1.83GHz (Processor Number : T2400)

2.00GHz (Processor Number : T2500)

2.16GHz (Processor Number : T2600)

2.33GHz (Processor Number : T2700)

Intel® CoreTM Solo

CoreTM Solo 1.66GHz (Processor Number : T1300)

1.83GHz (Processor Number : T1400)

Intel® Celeron® M

Celeron® M 1.46GHz (Processor Number : 410)

1.60GHz (Processor Number : 420)

1.73GHz (Processor Number : 430)

Chipset

Equipped with ATI RC420MB or Intel 945GM as North Bridge, ATI SB450 or Intel ICH7-M as South Bridge and Texas Instrument PCI7412 as Card Controller.

VGA Controller

An internal Graphics Controller in North Bridge is used.

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1.1 Features

Memory

Two DDR2-533/DDR2-667 SDRAM slots. Memory modules can be installed to provide a maximum of 4GB (Intel Chipset model) or 2GB (ATI Chipset model). Memory modules are available in 256MB, 512MB, 1024MB and 2048MB sizes.

HDD

The computer has a 2.5-inch SATA HDD. The following capacities are available.

•40/60/80/100/120 GB

USB FDD

A 3.5-inch USB FDD accommodates 2HD (1.44MB) or 2DD (720KB) disks.

Optical Drive

CD-ROM drive, DVD-ROM drive, DVD-ROM & CD-R/RW drive or DVD Super Multi drive (double layer) can be installed.

Display

LCD : Built-in 15.4 inch, 16M colors, WXGA(1280×800dots) thin type low temperature poly-silicon TFT color display.

External monitor : Supported via an RGB connector.

TV-out : Supporting VIDEO-out. (Only for models S-VIDEO jack mounted)

Keyboard

An-easy-to-use 84(US)/85(UK)-key keyboard provides a numeric keypad overlay for fast

numeric data entry or for cursor and page control. The keyboard also includes two keys that have special functions in Microsoft® Windows® XP.

Touch pad

A Touch Pad and control buttons in the palm rest enable control of the on-screen pointer and scrolling of windows.

Batteries

The computer has two batteries: a rechargeable Lithium-Ion main battery pack and RTC battery (that backs up the Real Time Clock and CMOS memory).

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1.1 Features

1 Hardware Overview

Universal Serial Bus (USB2.0)

Three USB ports are provided. The ports comply with the USB2.0 standard.

IEEE 1394 port

The computer comes with one IEEE 1394 port. It enables high-speed data transfer directly from external devices such as digital video cameras.

External monitor (RGB) port

The port enables connection of an external monitor, which is recognized automatically by Video Electronics Standards Association (VESA) Display Data Channel (DDC) 2B compatible functions.

PC card slot

A PC card slot is provided. The PC card slot (PCMCIA) accommodates one Type II card.

SD card slot

The SD card slot can accommodate Secure Digital flash memory cards with various capacities.

Fingerprint sensor

The computer is equipped with a fingerprint sensor and fingerprint authentication utility. They enable only person who has registered his/her fingerprint to use the computer.

Sound system

The sound system is equipped with the following features:

•Stereo speakers

•Volume control

•Stereo headphone jack

•External microphone jack

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1.1 Features

Internal LAN/ Internal modem

The computer has built-in support for Ethernet LAN (10 megabits per second, 10BASE- T), Fast Ethernet LAN (100 megabits per second, 100BASE-TX) and Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T).

The computer contains a MDC, enabling data and fax communication.

Bluetooth

The computer is equipped with Bluetooth (V2.0+EDR) communications standard enable wireless connection between electronic devices such as computers and printers. It supports wireless communication switch.

Wireless LAN

The computer is equipped with PCI Express Mini Card type wireless LAN card that supports 802.11 b/g or 802.11 a/b/g in the PCI Express Mini Card slot. This function can be switched on and off by a switch on the computer.

Presentation button

This button switches the display between internal display, external display, simultaneous display and multi-monitor display.

TOSHIBA Assist button

When this button is pressed during power-on, the computer is connected to “Toshiba Assist”. When this button is pressed during power-off, the computer is turned on and connected to “Toshiba Assist”.

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1.1 Features		1 Hardware Overview
The front of the computer is shown in figure 1-1.

Figure 1-1 Front of the computer

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1 Hardware Overview		1.1 Features
The system unit configuration is shown in figure 1-2.

Figure 1-2 System unit configuration

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1.1 Features		1 Hardware Overview
Figure 1-3-1, 1-3-2 is a block diagram of the system unit.

Figure 1-3-1 System unit block diagram (Intel chipset model)

Figure 1-3-2 System unit block diagram (ATI chipset model)

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1.1 Features

The system unit is composed of the following major components:

Processor

Intel® CoreTM Duo Processor (dual core), Intel® CoreTM Solo Processor (single core) or Intel® Celeron® M Processor is mounted.

Intel® CoreTM Duo Processor:

Speed 1.66GHz (T2300E) 1.66GHz (T2300) 1.83GHz (T2400) 2.00GHz (T2500) 2.16GHz (T2600) 2.33GHz (T2700)

–Integrated L1 cache memory of 64KB (32KB +32KB)

–Integrated L2 cache memory of 2MB

–Processor bus speed: 667MHz

–Core voltage: 1.300 to 1.1625V

–478-pin Micro FC-PGA package

Intel® CoreTM Solo Processor

Speed	1.66GHz (T1300)
	1.83GHz (T1400)

–Integrated L1 cache memory of 64KB (32KB +32KB)

–Integrated L2 cache memory of 2MB

–Processor bus speed: 667MHz

–Core voltage: 1.300 to 1.1625V

–478-pin Micro FC-PGA package

Intel® Celeron® M Processor

Speed	1.46GHz (410)
	1.60GHz (420)
	1.72GHz (430)

–Integrated L1 cache memory of 64KB (32KB +32KB)

–Integrated L2 cache memory of 1MB

–Processor bus speed: 533MHz

–Core voltage: Multiple VID

–478-pin Micro FC-PGA package

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1 Hardware Overview

Memory

Two memory slots capable of accepting DDR2-SDRAM 256MB, 512MB, 1024MB or 2048MB memory modules for a maximum of 4GB (Intel Chipset model) or 2GB (ATI Chipset model).

•200-pin Small Outline DIMM

•1.8V operation

•PC2-4200(DDR2-533)/PC2-5300(DDR2-667) support

BIOS ROM

•8Mbits of flash memory are used.

–320KB for System BIOS

–64KB for VGA BIOS

–64KB for Fingerprint sensor

–64KB for LAN BIOS

–24KB for Boot

–16KB for Parameter Block

–32KB for Option Log

–Others

North Bridge

•Intel 945GM:

–Supports Yonah Processor System Bus

–Supports System Memory : DDR2-400/DDR2-533/DDR2-667, 4GB(max)

–Internal Graphics Controller : Inter Generation 3.5 Integrated GFX Core (250MHz)

–DMI(Direct Media Interface)

–Supports ICH.

–1466-ball 37.5×37.5×2.56mm FC-BGA package

•ATI RC420MD:

–Graphic controller

–System Memory controller : DDR2-400/DDR2-533/DDR2-667, 2GB(max)

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1.1 Features

–PCI Express interface

–A-Link Express

–Supports ICH

–Power management

South Bridge

•Intel ICH7-M:

–DMI(Direct Media Interface)

–PCI Express I/F (4 ports)

–PCI Bus I/F Rev2.3 (6 PCI REQ/GNT Pairs)

–Integrated Serial ATA Host Controller (2 Prots,150MB/S)

–Integrated IDE Controller (Ultra ATA 100/66/33)

–AC’97 2.3 codecs

–Intel High Definition controller (Azalia)

–USB 1.1/2.0 Controller 8 ports

–Built-in LAN controller (WfM 2.0 & IEEE 802.3 compliance)

–Power Management (ACPI 2.0 compliance)

–SMBus2.0 controller

–Low Pin Count (LPC) interface (EC/KBC, Super I/O)

–IRQ controller

–Serial Interrupt Function

–Suspend/Resume control

–Built –in RTC

–GPIO

–652-ball 31×31×2.51mm BGA Package

•ATI SB450:

−PCI Local Bus Specification, Revision 2.3-compliant with support for 33MHz PCI operations

−PCI Express (4 PCI Express root ports)

−ACPI 2.0 compliant

−Enhanced DMA Controller, Interrupt Controller, and Timer Functions

−Integrated Serial ATA Host Controller (4 ports)

−Integrated IDE controller supports Ultra ATA 100/66/33 (2 ports)

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1.1 Features

1 Hardware Overview

−USB host interface with support for 8 USB ports; 2 OHCI host controllers; 1 EHCI high-speed USB 2.0 Host Controller

−Integrated LAN Controller

−System Management Bus (SM Bus) Specification, Version 2.0 with additional support for I2C devices

−Intel High Definition Audio Interface

−Supports Audio Codec ’97, Revision 2.3 specification or HD Audio

−Low Pin Count (LPC) interface

−Firmware Hub (FHW) interface support

−Alert On LAN (AOL)

−Package 564 pin BGA (31 x 31mm)

PC Card Controller (TI PCI7412)

−PCI I/F

−CardBus / Ultra media Controller (1 socket)

−SD/MMC, Memory Stick, XD Card Controller

−1394 Controller (2 ports)

– 288-ball, 16×16×1.4mm, BGA Package

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1.1 Features

VGA

Graphics interface in North Bridge (Intel 945GM/ATI RC420MB) is used.

Sound Controller

•Sound controller built in the South Bridge (Intel ICH7-M/ATI SB450) + ALC262, AN12941A.

−Internal stereo speakers

−Volume control

−Stereo headphone jack

−External microphone jack

Modem Controller

•Askey-made one MDC is used.

•This controller has the following functions:

–One RJ11 port

–V.92 (V.90) 56K Modem/FAX

–Supports Ring Wakeup

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Internal LAN

•Ethernet LAN (10 megabits per second, 10BASE-T), Fast Ethernet LAN (100 megabits per second, 100BASE-TX) or Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T) (only Intel chipset model) is used.

– Controller

Gigabit Ethernet: Gigabit Intel Vidaria

Ethernet/Fast Ethernet: ReaLTek RTL 8100CL

–One RJ45 port

–Supports WOL

–Supports LED

Wireless LAN

•Intel made or Askey made wireless LAN card in the PCI Express Mini card slot

−Supports 802.11b/g or 802.11a/b/g

−Supports Wireless Communication SW

−Supports WEP

−Supports WOL (Intel-maid wireless LAN card only )

Other main system chips

•Clock Generator (ICS-made 954321AGLFT)

•EC/KBC (Renesas-made M306KAFCLRP)

•PSC (Toshiba-made TMP86FS49UG)

•Super I/O (LPC-made 47N217)

•Temperature sensor (ADM-made 1032ARMZ ×2)

•Acceleration sensor (ST Micro-made LIS3L02AQ)

•TPM (Infineon-made SLB9635 TT 1.2)

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1.2 2.5-inch Hard Disk Drive

1.22.5-inch Hard Disk Drive

The removable HDD is a random access non-volatile storage device. It has a non-removable 2.5-inch magnetic disk and mini-Winchester type magnetic heads.

The computer supports a 40GB, 60GB, 80GB, 100GB or 120GB.

The HDD is shown in figure 1-4. Specifications are listed in Table 1-1.

				Figure 1-4	2.5-inch HDD
			Table 1-1 2.5-inch HDD specifications (1/2)
					Specifications
	Items
				FUJITSU	FUJITSU		FUJITSU		FUJITSU
				G8BC0002W410	G8BC0002W610		G8BC0002W810		G8BC0002WA10
Outline		Width (mm)			70.0
dimensions		Height (mm)			9.5
		Depth (mm)			100.0
		Weight (g)			101 max.
Storage size (formatted)				40GB	60GB		80GB		100GB
Speed (RPM)					5,400
Data transfer rate
To/From media					61.3 max.
To/From host					1.5 (150MB/s) max.
Data buffer size (MB)					8
Average seek time (ms)					12
Read
Motor startup time (s)					4 typ.

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[CONFIDENTIAL]

TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)

1.2 2.5-inch Hard Disk Drive

1 Hardware Overview

Table 1-1 2.5-inch HDD specifications (2/2)

	Items			Specifications
			HITACHI GST	HITACHI GST		HITACHI GST	HITACHI GST
			G8BC00029410	G8BC00029610		G8BC00029810	G8BC00029A10
Outline		Width (mm)		69.85±0.25
dimensions		Height (mm)		9.5±0.2
		Depth (mm)		100.2±0.25
		Weight (g)	95 max.			102 max.
Storage size (formatted)			40GB	60GB		80GB	100GB
Speed (RPM)				5,400
Data transfer rate				493 Mb/s max.
To/From media
To/From host				1.5Gbps
Data buffer size (MB)					8
Average seek time (ms)				12 typ.
Read
Motor startup time (s)				3.5 typ.

				Specifications
	Items
			FUJITSU		HITACHI GST
			G8BC0002WC10		G8BC0002NA10
Outline		Width (mm)	70		69.85±0.25
dimensions		Height (mm)	9.5		9.5±0.2
		Depth (mm)	10		100.2±0.25
		Weight (g)	101 max.		115 max.
Storage size (formatted)			120GB		100GB
Speed (RPM)			5,400		7,200
Data transfer rate
To/From media			61.3 MB/s max		629 Mb/s max.
To/From host (Gbps)			1.5		1.5
Data buffer size (KB)			8,192		8,192
Average seek time (ms)			12 typ		10 typ.
Read
Motor startup time (s)				4 typ.

TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)

[CONFIDENTIAL]

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1 Hardware Overview

1.3 Keyboard

1.3Keyboard

The keyboard is mounted 84(US)/85(UK) keys that consist of character key and control key. The keyboard is connected to membrane connector on the system board and controlled by the keyboard controller.

Figure 1-5 is a view of the keyboard.

See Appendix E about a layout of the keyboard.

Figure 1-5 Keyboard

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[CONFIDENTIAL]

TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)