Toshiba satellite u400 pro, satellite 400, portege m800 Service Manual

Toshiba Personal Computer

Satellite U400, Satellite Pro U400 and Portégé M800

Maintenance Manual

PPM80A, PSU40A

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 1

TOSHIBA CORPORATION

Copyright

© 2003 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 Satellite U400 and Satellite Pro U400 and PORTEGE M800
Series Maintenance Manual

First edition Feb 2008

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 Satellite U400 and Satellite
Pro U400 and PORTEGE M800 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

Intel, Intel SpeedStep, Pentium and Celeron 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.
i Link is a trademark of Sony Corporation.
TruSurround XT, Trubass, Dialog Clarity, SRS and (•)symbol are trademarks of SRS Labs,
Inc.
TruSurround XT technology is in corporated under license from SRS Labs, Inc.
Other trademarks and registered trademarks not listed above may be used in this manual.

2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Preface

This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer Satellite U400 and Satellite Pro U400 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.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 3

The manual is divided into the following parts:

Chapter 1 Hardware Overview describes the Satellite U400 and Satellite Pro

U400 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

4 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

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 typeface
below:

Format complete
System transferred

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 5

Table of Contents

Chapter 1 Hardware Overview

1.1 Features..........................................................................................................................1

1.2 System Block Diagram..................................................................................................6

1.3 2.5-inch Hard Disk Drive.............................................................................................11

1.4 Optical Drive................................................................................................................15

1.4.1DVD-ROM & CD-R/RW Drive....................................................................15

1.4.2DVD Super Multi Drive ................................................................................17

1.5 Keyboard......................................................................................................................19

1.6 TFT Color Display.......................................................................................................20

1.6.1LCD Module..................................................................................................20

1.6.2FL Inverter Board ..........................................................................................23

1.6.3CCFL Invertor Board………………………………………………… .. 24

1.7 Power Supply...............................................................................................................25

1.8 Batteries .......................................................................................................................27

1.8.1Main Battery ..................................................................................................27

1.8.2Battery Charging Control...............................................................................28

1.8.3RTC battery....................................................................................................29

1.9 AC Adapter ..................................................................................................................30

Chapter 2 Troubleshooting Procedures

2.1 Troubleshooting.............................................................................................................1

2.2 Troubleshooting Flowchart............................................................................................3

2.3 Power Supply Troubleshooting .....................................................................................7

Procedure 1 Power Status Check ...................................................................7

Procedure 2 Error Code Check ......................................................................9

Procedure 3 Connection Check....................................................................10

Procedure 4 Charging Check .......................................................................11

Procedure 5 Replacement Check ................................................................ 12

2.4 System Board Troubleshooting .................................................................................. 13

Procedure 1 Message Check ....................................................................... 14

6 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Procedure 2 Debugging Port Check............................................................16

Procedure 3 Diagnostic Test Program Execution Check............................ 21

Procedure 4 Replacement Check ................................................................ 21

2.5 USB FDD Troubleshooting ........................................................................................ 22

Procedure 1 FDD Head Cleaning Check .................................................... 22

Procedure 2 Diagnostic Test Program Execution Check............................ 23

Procedure 3 Connector Check and Replacement Check............................. 24

2.6 2.5” HDD Troubleshooting......................................................................................... 26

Procedure 1 Partition Check........................................................................ 26

Procedure 2 Message Check ....................................................................... 27

Procedure 3 Format Check.......................................................................... 28

Procedure 4 Diagnostic Test Program Execution Check............................ 29

Procedure 5 Connector Check and Replacement Check............................. 30

2.7 Keyboard Troubleshooting ......................................................................................... 31

Procedure 1 Diagnostic Test Program Execution Check............................ 31

Procedure 2 Connector Check and Replacement Check............................. 32

2.8 Touch pad Troubleshooting........................................................................................ 33

Procedure 1 Diagnostic Test Program Execution Check............................ 33

Procedure 2 Connector Check and Replacement Check............................. 34

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 7

2.9 Display Troubleshooting..............................................................................................35

Procedure 1 External Monitor Check...........................................................35

Procedure 2 Diagnostic Test Program Execution Check.............................35

Procedure 3 Connector and Cable Check ....................................................36

Procedure 4 Replacement Check .................................................................37

2.10 Optical Disk Drive Troubleshooting............................................................................38

Procedure 1 Diagnostic Test Program Execution Check.............................38

Procedure 2 Connector Check and Replacement Check..............................38

2.11 Modem Troubleshooting..............................................................................................39

Procedure 1 Diagnostic Test Program Execution Check.............................39

Procedure 2 Connector Check and Replacement Check..............................39

2.12 LAN Troubleshooting..................................................................................................41

Procedure 1 Diagnostic Test Program Execution Check.............................41

Procedure 2 Connector Check and Replacement Check..............................41

2.13 Wireless LAN Troubleshooting...................................................................................42

Procedure 1 Transmitting-Receiving Check................................................42

Procedure 2 Antennas' Connection Check...................................................43

Procedure 3 Replacement Check .................................................................44

2.14 Sound Troubleshooting................................................................................................45

Procedure 1 Connector Check......................................................................45

Procedure 2 Replacement Check .................................................................46

2.15 VGA Troubleshooting..................................................................................................47

Procedure 1 Diagnostic Test Program Execution Check.............................47

Procedure 2 Connector Check and Replacement Check.............................47

2.16 Fingerprint Troubleshooting........................................................................................49

Procedure 1 Diagnostic Test Program Execution Check.............................49

Procedure 2 Connector Check and Replacement Check.............................49

2.17 Bluetooth Troubleshooting..........................................................................................50

Procedure 1 Diagnostic Test Program Execution Check.............................50

Procedure 2 Connector Check and Replacement Check.............................50

Chapter 3 Test Program for Field

Tests and Diagnostics Software Overview.................................................................3-3

3.1

3.2

Executing the Diagnostic Test...................................................................................3-4

3.3 Subtest names............................................................................................................. 3-8

8 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

3.4

System Test..............................................................................................................3-11

3.5 Memory Test............................................................................................................3-13

3.6 Keyboard Test..........................................................................................................3-16

3.7 Display Test .............................................................................................................3-19

3.8 Floppy Disk Test......................................................................................................3-34

3.9 Hard Disk Test.........................................................................................................3-36

3.10 Real Time Clock Test ..............................................................................................3-39

3.11 Cache Memory Test.................................................................................................3-41

3.12 High Resolution Display Test..................................................................................3-43

3.13 Multimedia Test.......................................................................................................3-49

3.14 MEMORY2 Test...................................................................................................... 3-50

3.15 Error Codes and Error Status Names.......................................................................3-52

3.16 Running Test............................................................................................................3-54

3.17 DMI INFORMATION.............................................................................................3-55

3.17.1

3.17.2

Check DMI Information………………………………………… 3-55

Write DMI Information……………………………………………3-55

3.18 Log Utilities.............................................................................................................3-57

3.18.1

Operations…………………………………………………………3-57

3.19 System Configuration ..............................................................................................3-59

3.20 Running Test Edit Item............................................................................................3-60

3.20.1

3.20.2

Function Description………………………………………………3-60

Operation Description……………………………………………3-60

3.21 Common Tests an Operation ..................................................................................... 3-62

3.21.1

3.21.2

3.21.3

3.21.4

3.21.5

How to operate a window …………………………………………3-62

How to Stop the Test Program ……………………………………. 3-62
Test Status Screen …………………………………………………3-62

Test Stop Display……………………………………………………3-64

How to enter data ……………………………………………………3-64

Chapter 4 Replacement Procedures

4.1 Overview....................................................................................................................4-1

Safety Precautions ................................................................................................4-2

Before You Begin ................................................................................................4-3

Disassembly Procedure........................................................................................4-4

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 9

Assembly Procedure ............................................................................................4-5

Tools and Equipment........................................................................................... 4-5

Screw Tightening Torque .................................................................................... 4-6

Grip Color............................................................................................................ 4-6

Screw Notation ....................................................................................................4-7

4.2 Battery pack............................................................................................................... 4-8

4.3 PC card.....................................................................................................................4-10

4.4 HDD.........................................................................................................................4-12

4.5 Wireless LAN card .................................................................................................. 4-16

4.6 Memory module....................................................................................................... 4-18

4.7 Keyboard.................................................................................................................. 4-21

4.8 LED Board...............................................................................................................4-24

4.9 Optical disk drive.....................................................................................................4-26

4.10 Display assembly..................................................................................................... 4-28

4.11 Bluetooth assembly..................................................................................................4-33

4.12 Cover assembly........................................................................................................4-38

4.13 Touch pad.................................................................................................................4-40

4.14 Audio board ............................................................................................................ 4-40

4.15 Fingerprint board ..................................................................................................... 4-41

4.16 USB board................................................................................................................ 4-42

4.17 System board............................................................................................................4-45

4.18 CPU..........................................................................................................................4-47

4.19 VGA heat sink..........................................................................................................4-50

4.20 LCD unit / FL inverter............................................................................................. 4-52

10 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Appendices

Appendix A Handling the LCD Module ........................................................................... A-1

Appendix B Board Layout ................................................................................................ B-1

Appendix C Pin Assignments............................................................................................ C-1

Appendix D Display Codes............................................................................................... D-1

Appendix E Keyboard 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

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 11

Chapter 1
Hardware Overview

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 1-1

Chapter 1 Hardware Overview

Chapter 1 Contents

1.1 Features..........................................................................................................................1

1.2 System Block Diagram..................................................................................................5

1.3 2.5-inch Hard Disk Drive...............................................................................................9

1.4 Optical Drive................................................................................................................12

1.4.1 DVD-ROM & CD-R/RW Drive ............................................................12

1.4.2 DVD Super Multi Drive.........................................................................14

1.5 Keyboard......................................................................................................................16

1.6 TFT Color Display.......................................................................................................17

1.6.1 LCD Module ..........................................................................................17

1.6.2 FL Inverter Board...................................................................................19

1.6.3…..CCFL Invertor Board………………………………………………… ..21

1.7 Power Supply...............................................................................................................22

1.8 Batteries .......................................................................................................................23

1.8.1 Main Battery...........................................................................................23

1.8.2 Battery Charging Control.......................................................................24

1.8.3 RTC battery............................................................................................25

1.9 AC Adapter ..................................................................................................................25

1-2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Hardware Overview Chapter 1

Figures

Figure 1-1 Front of the computer.........................................................................................4

Figure 1-2 System block diagram........................................................................................5

Figure 1-3 2.5-inch HDD.....................................................................................................9

Figure 1-4 DVD-ROM & CD-R/RW drive.......................................................................12

Figure 1-5 DVD Super Muti drive.....................................................................................14

Figure 1-6 Keyboard for US style .....................................................................................16

Figure 1-7 Keyboard for JP style.......................................................................................16

Figure 1-8 LG-Philips LCD Module .................................................................................17

Figure 1-9 AUO L CD Module ..........................................................................................18

Figure 1-10 Samsung Module .............................................................................................18

Figure 1-11 CMO LCD Module..........................................................................................19

Figure 1-12 TMD LED Backlight Module..........................................................................20

Figure 1-13 LCD module.....................................................................................................22

Tables

Table 1-1 2.5-inch HDD dimensions .................................................................................9

Table 1-2 2.5-inch HDD specifications............................................................................10

Table 1-3 DVD-ROM & CD-R/RW drive outline dimensions........................................12

Table 1-4 DVD-ROM & CD-R/RW drive specifications................................................13

Table 1-5 DVD Super Multi drive outline dimensions....................................................14

Table 1-6 DVD Super Multi drive specifications ............................................................15

Table 1-7 LCD module specifications..............................................................................19

Table 1-8 LED backlight module specifications ..............................................................20

Table 1-9 FL inverter board specifications ......................................................................21

Table 1-10 Power supply output rating..............................................................................22

Table 1-11 Battery specifications.......................................................................................23

Table 1-12 Time required for charges of main battery ......................................................24

Table 1-13 Data preservation time.....................................................................................24

Table 1-14 Time required for charges of RTC battery.......................................................25

Table 1-15 AC adapter specifications................................................................................26

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 1-3

Chapter 1 Hardware Overview

1-2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

1.1 Features

The Satellite U400/PROTEGE M800 (Intel Platform) series are 2 spindle PCs running

Intel® Celeron® Processor 540 or higher.
Intel® Core™ 2 Duo Processor (800MHz) T8100 or higher.
Intel® Core™ 2 Duo Processor (667MHz) T5450 or higher.

The features are listed below.

θ Microprocessor

Microprocessor that is used will be different by the model.
It supports processors as follows
Intel® Core™ 2 Duo

FSB : 667 MHz T5450(1.67GHz)
T5550(1.83GHz)

T5750(2.0GHz)

Intel® Core™ 2 Duo

FSB: 800MHz T8100(2.1GHz)
T8300(2.4GHz)
T9300(2.5GHz)
T9500(2.6GHz)

Intel Celeron

FSB : 533MHz 540 (1.86GHz)

550 (2.0GHz)
560(2.13GHz)

θ Memory

Two DDRII SO-DIMM (667/800MHz specification compliant) used can up to 4GB.
But to GL960, can only up to 2GB. Maximum upgradeable system memory may
depend on the model.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 1

Chapter 1 Hardware Overview

θ VRAM

Shared with System RAM for Intel GL960/GM965

θ HDD

80GB, 120GB, 160GB, 200GB, 250GB, 320GB internal drives. 2.5 inch x 9.5mm
height.

θ USB FDD (Option)

Toshiba external USB FDD for option

θ Display

LCD (CCFL)

13.3-inch, 1,280 (H) x 800 (V) WXGA 262,144 colors + CCFL, High-brightness,
CSV, amorphous silicon TFT color display.

LCD (LED)

13.3-inch, 1,280 (H) x 800 (V) WXGA + LED Backlight, High-brightness, CSV,

amorphous silicon TFT color display.

CRT

Supported via a RGB connector.

θ Keyboard

Toshiba Standard keyboard with 86-88 keys (desktop-style), Support Windows keys
& Application keys. (Toshiba standard layout) Standard pitch, 2.5mm travel length.
Multi-langue support

θ PC card slot / New card slot

The PC card slot (PCMCIA) accommodates one 5mm Type II card. The slot support
16-bit PC cards and Card Bus PC cards. Card Bus supports 32-bit PC cards.

ExpressCard/34 and ExpressCard/54 are supported.

θ Optical devices

A DVD Super Multi drive is equipped.

2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

θ Battery

The RTC battery is equipped inside the computer.
It is good with no external power source for 1month on average.

The main battery is a detachable lithium ion battery.

6 cell Li-Ion 3700mAh/4800mAh
9 cell Li-Ion 7200mAh

θ USB (Universal Serial Bus)

3 USB ports are provided. The ports comply with the USB2.0 standard, which
enables data transfer speeds 40 times faster than USB1.1 standard. USB1.1 is also
supported.

θ Sound system

Internal stereo speaker, Internal MIC (Option) external monaural microphone
connector, stereo headphone connector.

θ Wireless LAN

The wireless LAN is equipped on the mini card slot.

θ LAN/MODEM

Connectors for LAN and Modem are separately mounted.

θ 1394

One 1394 port is equipped.

θ Multiple Digital Media Card Slot

XD/MS/MS pro/SD/MMC are supported

θ Bluetooth

USB Bluetooth Module (BTO) V2.1 & EDR(Enhanced Data Rate) equipped

θ Security

Kensington Lock,
Fingerprint –Enhanced Lock is also equipped.
HDD Password

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 3

Chapter 1 Hardware Overview

3D Accelerometer for HDD

Figure 1-1 Front of the computer

4 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

1.2 System Block Diagram

Figure 1-2 shows the system block diagram.

Chapter 1 Hardware Overview

Figure 1-2 System block diagram for Intel Platform

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 5

Chapter 1 Hardware Overview

The PC contains the following components.

θ CPU

Intel® Core™ 2 Duo
FSB : 667 MHz T5450(1.67GHz)
T5550(1.83GHz)

T5750(2.0GHz)

Intel® Core™ 2 Duo

FSB: 800MHz T8100(2.1GHz)
T8300(2.4GHz)
T9300(2.5GHz)
T9500(2.6GHz)

Intel Celeron

FSB : 533MHz 540 (1.86GHz)

550 (2.0GHz)
560(2.13GHz)

θ Memory

Two memory slots capable of accepting DDRII-SDRAM 512MB,1GB or 2GB
memory modules for a maximum of 4GB. To GL960, the maximum is 2GB.

• 200-pin SO-DIMM

• 1.8V operation

• PC2 5300 support/PC2

θ BIOS ROM (Flash memory)

• 8Mbit

θ Chipset (Santa Rosa Platform)

This gate array has the following elements and functions.

• North Bridge (Intel GM965/GL960)

− Merom-M processor System Bus support

6 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

− DRAM Controller : DDRII 533/667 support

− DMI

− 1299-ball 35 x 35mm Mirco FC-BGA Package

• South Bridge (Intel 82801HBM ICH8-M)

− Direct Media Interface (DMI)

− PCI Express

− Serial ATA (SATA) Controller

− PCI Interface

− IDE Interface

− Low Pin count (LPC) interface

− Serial Peripheral Interface (SPI)

− DMA controller

− Advanced Programmable Interrupt Controller (APIC)

− USB Controllers

− Gigabit Ethernet Controller

− RTC

− GPIO

− Enhanced Power Management

− SMBus 2.0

− High Definition Audio Controller

− 676-pin 31mmx31mm mBGA Package

Chapter 1 Hardware Overview

θ PC card controller (CB1410, ENE Technology INC.)

− PCI Interface (PCI Rev. 2.2)

− PC Card Controller

θ Other main system chips

• Clock Generator (Santa Rosa Platform: ICS9LPRS365BGLFT)

• EC/KBC (Winbond WPCE775C)

• HD Audio (Connexant CX20561-12Z)

• Audio AMP (Panasonic ISL6262ACRZ-T)

• Card Reader controller (O2Micro OZ129)

• 10/100 LAN controller (Marvell 88E8040T)

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 7

Chapter 1 Hardware Overview

θ Mini Card

Wireless LAN card (BTO)

2.4 GHz DSSS/OFDM LAN card is equipped. Conformity with IEEE 802.11b/g
and IEEE 802.11a/b/g.. Transfer speed maximum is 54Mbit/sec. supports 128bit
WEP.

θ MODEM (Conexant x 1)

Supported by on board Modem + DAA daughter card.
Data and FAX transmission is available.
Supports ITU-TV.90.
The transfer speed of data receiving is 56kbps, of data sending is 33.6kbps and of
FAX is 14.4kbps. Actual speed depends on the quality of the line used.
Connected to telephone line through RJ11 MOD

θ Blue tooth

Mini USB Bluetooth Module (BTO) V2.1.

8 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

1.3 2.5-inch Hard Disk Drive

A compact, high-capacity HDD with a height of 9.5mm. Contains a 2.5-inch magnetic disk
and magnetic heads.

Figure 1-3 shows a view of the 2.5-inch HDD and Tables 1-1 and 1-2 list the specifications.

Figure 1-3 2.5-inch HDD

Parameter

Outline

Dimensions

Parameter

Outline

Dimensions

Width

(mm)

Height

(mm)

Depth

(mm)

Weight

(g)

Width

(mm)

Height

(mm)

Depth

(mm)

Weight

(g)

Table 1-1 2.5-inch HDD dimensions

Standard value

TOSHIBA

MK8046GSX

98 98 102 102 102 102

Fujitsu

MHY2080BH

96

TOSHIBA

MK1246GSX

TOSHIBA

MK1646GSX

TOSHIBA

MK2046GSX

TOSHIBA

MK2546GSX

TOSHIBA

MK3252GSX

69.8

9.5

100

Standard value

Fujitsu

MHY2120BH

Fujitsu

MHY2160BH

Fujitsu

MHY2200BH

Fujitsu

MHY2250BH

Fujitsu

MHY2320BH

100

9.5

70

96 101 101 101 101

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 9

Chapter 1 Hardware Overview

Standard value

Parameter

Outline

Dimensions

Width

(mm)

Height

(mm)

Depth

(mm)

Weight (g)

Hitachi

HTS542508

k9SA00

Hitachi

HTS542512

k9SA00

Hitachi

HTS542516

k9SA00

Hitachi

HTS542520

K9SA00

69.85 +/- 0.25

9.5 +/- 0.2

100.2 +/- 0.25

95 max 95 max 102 max 102 max 102 max 102 max

Hitachi

HTS542525

k9SA00

Hitachi

HTS542532

k9SA00

Table 1-2 2.5-inch HDD specifications

Specification

Parameter

storage
size(formatted)

Speed (RPM) 5400
Data transfer

Rate ­To/From
Media ­T0/From Host

bus transfer
rate (MB/s)

Average
random seek
time (read)
(ms)

Power-on-to­ready (sec)

TOSHIBA

MK8046GSX

80GB 120GB 160GB 200GB 250GB 320GB

TOSHIBA

MK1246GSX

730Mbits Media 300MBytes Host

TOSHIBA

MK1646GSX

ATA8/SATA 2.6

3.5 sec<typical> 9.5 sec <Max>

MK1246GSX

12ms

TOSHIBA

TOSHIBA

MK2546GSX

TOSHIBA

MK3252GSX

794Mbits Media

3GBytes Host

10 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

Specification

Parameter

storage
size(formatted)

Fujitsu

MHY2080BH

Fujitsu

MHY2120BH

Fujitsu

MHY2160BH

80GB 120GB 160GB 200GB 250GB 320GB

Speed (RPM) 5400

Data transfer
Rate ­To/From

 84.6MB/s

Media ­T0/From Host

1.5Gbps(150MB/s)

bus transfer
rate (MB/s)

1.5Gbps(150MB/s)

Average
random seek
time (read)

12.0ms/14.0ms
(ms)
Power-on-to-

ready

4.0s

Fujitsu

MHY2200BH

Fujitsu

MHY2250BH

Fujitsu

MHY2320BH

Parameter

storage

size(formatt

ed)
Speed
(RPM)

Data

transfer

Rate -

To/From

Media -

T0/From

Host

bus transfer

rate (MB/s)

Average

random

seek time

(read) (ms)

Power-on-

to-ready

(sec)

Specification

Hitachi

HTS542508

k9SA00

80GB 120GB 160GB 200GB 250GB 320GB

Hitachi

HTS542512

k9SA00

Hitachi

HTS542516

K9SA00

665 (Mb/s), (max)

˜

150 (MB/S)

˜˜

˜˜

˜˜

HTS542520

K9SA00

5400

11 ms

3.5 sec

Hitachi

Hitachi

HTS542525

k9SA00

Hitachi

HTS542532

k9SA00

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 11

Chapter 1 Hardware Overview

1.4 Optical Drive

1.4.1 DVD-ROM & CD-R/RW Drive

The DVD-ROM & CD-R/RW drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15­inch) CD/DVD-ROM and CD-R/RW. It is a high-performance drive that reads DVD at
maximum 8-speed and CD at maximum 24-speed.

The DVD-ROM & CD-R/RW drive is shown in Figure 1-4. The dimensions and
specifications of the DVD-ROM & CD-R/RW drive are described in Table 1-3, Table 1-4.

Figure 1-4 DVD-ROM & CD-R/RW drive

Table 1-3 DVD-ROM & CD-R/RW drive outline dimensions

Parameter

Standard

value

TEAC

DW-224E-VT7

127.7

12.7

126.1

Outline
dimension

Maker
Width

(mm)
Height
(mm)
Depth
(mm)
Mass (g) 173 or less

12 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

Table 1-4 DVD-ROM & CD-R/RW drive specifications (1/3)

Data transfer speed

Access time (ms)

(Random)

Buffer memory

Supported
disk
format

Parameter

DVD

Read (KB/s)

Write

ATAPI

interface

(MB/s)

CD-ROM

DVD-ROM

CD

Drive Specification

TEAC DW-224E-VT7

 1,545 to 3,600(KB/s) CD-ROM model

4,469 to 10,816(KB/s) DVD- R OM

 CD-R:24x CAV,16x CAV, 10x CLV, 4x CLV MS CD-

RW:4x CLV
HS CD-RW:10x CAV, 10x CLV, 4x CLV US CD-RW:24x
CAV, 10x CLV
US+ CD-RW:Not supported

Programmed I/O 16.7MB/sec max(Mode 0 to 4) Multi-word

DMA 16.7MB/sec max(Mode 0 to 2) Ultra DMA

CD-ROM (MODE1, MODE2)

CD-ROM XA MODE2 (Form1, Form2) Photo CD

(Single/Multi-session)

CD-Extra (CD-Plus) CD-Text

DVD-ROM DVD-Video

DVD-R (Single/Multi-border) DVD-R DL (Single/Multi/border)

DVD-RW (Single/Multi-border) DVD+R (Single/Multi-session)

DVD+R DL (Single/Multi-session) DVD+RW (Single/Multi-

session) DVD-ROM (4.7GB, 2.6GB)

33.3MB/sec max
90msc

110msc

2MB

 CD-DA

CD-I Video-CD



Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 13

Chapter 1 Hardware Overview

1.4.2 DVD Super Multi Drive

The DVD Super Multi drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch)
CD/DVD-ROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive
that reads DVD-ROM at maximum 8-speed and CD at maximum 24-speed. Write speed of
DVD±R/±RW and DVD-RAM is different depending on the drive.

The DVD Super Multi drive is shown in Figure 1-5. The dimensions and specifications of the
DVD Super Multi drive are described in Table 1-5, Table 1-8.

Parameter Standard value

Outline
dimensions

Figure 1-5 DVD Super Multi drive

Table 1-5 DVD Super Multi drive outline dimensions

Maker

Width (mm) 128
Height (mm) 9.5
Depth (mm) 129
Mass (g) 140g 103g

Panasonic
(UJ-852B)

Panasonic

(UJ-852M)

14 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

Table 1-6 DVD Super Multi drive specifications (1/4)

Data transfer

speed

Access time (ms)

(Random)

Supported disk
format

Parameter

Drive Specification

Panasonic (UJ-852B/ UJ-852M)

DVD-ROM MAX 8X CAV (MAX 10800 KB/s)

Read (KB/s)

CD-ROM

MAX 24X CAV (MAX 3600 KB/s)

CD-R MAX. 24X(CAV)
CD-RW 4X (CLV)

Write

High Speed CD-RW 10X (CLV)
Ultra Speed CD-RW MAX. 24X (CAV)

ATAPI interface

(MB/s)

CD-ROM 150ms (Typ.)

DVD-ROM 170ms (Typ.)

Buffer memory 2MB

CD

DVD

16.6 MB/s :PIO mode4

16.6 MB/s :Multi word mode2

33.3 MB/s :Ultra DMA mode2

CD-DA, CD-ROM, CD-R, CD-RW

CD-ROM XA(except ADPCM)

PhotoCD(Muilti Session)

Video CD,CD-Extra(CD+),CD-text

DVD-ROM, DVD-Video

DVD-R, DVD-RW (Ver. 1.1)

DVD+R, DVD+RW

DVD+R DL

DVD-R DL

DVD-RAM(2.6GB/4.7GB)

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 15

Chapter 1 Hardware Overview

1.5 Keyboard

The Hampton 10/10S keyboard has two different kinds of placement, one is for JP style and
the other is for US style.

Figure 1-6 is a view of the keyboard for US style

Figure 1-6 Keyboard for US style

Figure 1-7 is a view of the keyboard for JP style

Figure 1-7 Keyboard for JP style

See Appendix E for details of the keyboard layout.

16 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

1.6 TFT Color Display

The Hampton 10/10S Panel has two different kinds of model, one is CCFL backlight and the
other is LED backlight.

1.6.1 LCD Module with CCFL Backlight

Figure 1-8 ~ 1-11 shows a view of the LCD module and Table 1-7 lists the specifications.

Figure 1-8 LG-Philips LCD Module

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 17

Chapter 1 Hardware Overview

Figure 1-9 AUO LCD Module

Figure 1-

10

SamsungModule

18 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

Figure 1-11 CMO LCD Module

Table 1-7 LCD module specifications

Specifications(WXGA)

Item

Number of
Dots
Dot spacing
(mm)

LG LP133WX3-

TLN3

AUO

B133EW01 V3

1,280x 800



0.2235(H)× 0.2235(V)



LTN133AT07-

Samsung

G01

CMO

N133I1-L01

1.6.2 LCD Module with LED Backlight

Figure 1-12 shows a view of the LED backlight module and Table 1-8 lists the specifications.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 19

Chapter 1 Hardware Overview

Figure 1-12 TMD LED Backlight Module

Table 1-8 LED backlight module specifications

Specifications(WXGA)

Item

Number of Dots 1,280x 800
Dot spacing (mm) 0.2235(H)× 0.2235(V)

TMD

LTD133EWHK

20 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

1.6.3 CCFL Inverter Board

Table 1-9 lists the FL inverter board specifications.

Table 1-9 FL inverter board specifications

Foxconn

T18I095.00

8~20 8~20 8~20 8~20

7.5W 7.5W 7.5W 7.5W

612~945 612~945 612~945 612~945

Input

Output

Item

Voltage (V)
Power (W)
Voltage (Vrms)
Current

(f=55KHz)(mArms)

Chapter 1 Hardware Overview

Specifications

Delta

DAC-08N035

AF

2.3±0.4 ~ 6.5±0.3

SUMIDA

TWS-449-308

TDK

TBD485NR

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 21

Chapter 1 Hardware Overview

1.7 Power Supply

Table 1-10 lists the power rail output specifications of Santa Rosa platform.

Table 1-10 Santa Rosa Power supply output rating

Power supply（Yes/No）

Name

Voltage [V]

Power OFF

Suspend mode

Power OFF

Boot mode

No Battery

+5VPCU

+5V_S5

+5V

+5VSATA
USBPWR

+5V_TP

VCCRTC

TH_FAN_POWER

+3VPCU

+3V_S5

+3VSUS

+3V

CCD_POWER

+5V_Felica

VCC_XD

+1.8VSUS

+1.8V

5
5

Yes Yes
Yes

No No

No

5 No No No
5 No No No
5 No No No
5 No No No

3.3

Yes Yes Yes

3.1~5 No No No

3.3

3.3

3.3

Yes Yes
Yes
Yes

No No
No No

No

3.3 No No No

3.3 No No No
5 No No No

3.3 No No No

1.8

Yes

No No

1.8 No No No

+1.5V

+1.25V
+1.05V

+SMDDR_VREF

+SMDDR_VTERM

VCC_CORE

1.5 No No No

1.25 No No No

1.05 No No No

0.9

Yes

No No

0.9 No No No

0.55~1.575 No No No

22 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

1.8 Batteries

The PC has the following two batteries.

θ Main battery
θ Real time clock (RTC) battery

Table 1-11 lists the specifications for these two batteries.

Table 1-11 Battery specifications

Chapter 1 Hardware Overview

1.8.1 Main Battery

Battery Name Battery

Sanyo 6

Cells

Sanyo 6

cells

 Main

battery

Real time

clock

(RTC)

battery

Panasonic

6cells

Sanyo 9

cell

VARTA

ML1220

Lithiumion

Lithiumion 3V 16mAh

Element

Lithium

ion

11.1v 3700mAh

11.1v 4800mAh

11.1v 3700mAh

11.1v 7200mAh

Capacity

The ma

in battery is the primary power supply for the computer when the AC adapter is not

connected. In Standby, the main battery maintains the current status of the computer.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 23

Chapter 1 Hardware Overview

1.8.2 Battery Charging Control

Battery charging is controlled by a power supply microprocessor. The power supply
microprocessor controls power supply and detects a full charge when the AC adaptor and
battery are connected to the computer.

θ Battery Charge

When the AC adapter is connected, normal charging is used while the system is
turned on and quick charge is used while the system is turned off. Refer to the
following Table 1-12.

Table 1-12 Time required for charges of main battery

Condition Charging Time

Power On Charge About 12 hours-

Power Off Charge About 4 hours

Charge is stopped in the following cases.

1. The main battery is fully charged

2. The main battery is removed

3. Main battery or AC adapter voltage is abnormal

4. Charging current is abnormal

θ Data preservation time

When turning off the power in being charged fully, the preservation time is as
following Table 1-13.

Condition preservation time

Standby About 3 days
Hibernation About 1 month
Battery

Pack

3 cell Approximately 1.5 days(sleep mode)
6 cell Approximately 3 days(sleep mode)
9 cell Approximately 5 days(sleep mode)

Approximately 1 month(shutdown mode, All type of battery pack

Table 1-13 Data preservation time

24 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 1 Hardware Overview

1.8.3 RTC Battery

The RTC battery provides the power supply to maintain the date, time, and other system
information in memory.

Table 1-14 lists the Time required for charges of RTC battery and data preservation time.

Table 1-14 Time required for charges of RTC battery

Condition Time

Power ON (Lights Power LED) About 24 hours
Data preservation tome (Full-charged) About a month

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 25

Chapter 1 Hardware Overview

1.9 AC Adapter

The AC adapter is used to charge the battery.
Table 1-15 lists the AC adapter specifications.

Table 1-15 AC adapter specifications

Parameter

With Led

Power

Input voltage

Input frequency

Input current

Output voltage

Output current

Specification

DELTA/ LITE-ON

75W

AC 100V/240V

50Hz/60Hz

1.5A

DC 19V

3.95A

26 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter 2
Troubleshooting Procedures

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-1

Chapter 2 Contents

2.1 Troubleshooting.............................................................................................................1

2.2 Troubleshooting Flowchart............................................................................................3

2.3 Power Supply Troubleshooting......................................................................................7

Procedure 1 Power Status Check ...................................................................7

Procedure 2 Error Code Check ......................................................................8

Procedure 3 Connection Check....................................................................10

Procedure 4 Charging Check .......................................................................11

Procedure 5 Replacement Check .................................................................12

2.4 System Board Troubleshooting....................................................................................13

Procedure 1 Message Check ........................................................................14

Procedure 2 Debugging Port Check.............................................................16

Procedure 3 Diagnostic Test Program Execution Check.............................21

Procedure 4 Replacement Check .................................................................21

2.5 USB FDD Troubleshooting .........................................................................................22

Procedure 1 FDD Head Cleaning Check .....................................................22

Procedure 2 Diagnostic Test Program Execution Check.............................23

Procedure 3 Connector Check and Replacement Check..............................24

2.6 2.5” HDD Troubleshooting..........................................................................................26

Procedure 1 Partition Check.........................................................................26

Procedure 2 Message Check ........................................................................27

Procedure 3 Format Check...........................................................................28

Procedure 4 Diagnostic Test Program Execution Check.............................29

Procedure 5 Connector Check and Replacement Check..............................30

2.7 Keyboard Troubleshooting ..........................................................................................31

Procedure 1 Diagnostic Test Program Execution Check.............................31

Procedure 2 Connector Check and Replacement Check..............................32

2.8 Touch pad Troubleshooting.........................................................................................33

Procedure 1 Diagnostic Test Program Execution Check.............................33

Procedure 2 Connector Check and Replacement Check..............................34

2-2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

2.9 Display Troubleshooting..............................................................................................35

Procedure 1 External Monitor Check...........................................................35

Procedure 2 Diagnostic Test Program Execution Check.............................35

Procedure 3 Connector and Cable Check.....................................................36

Procedure 4 Replacement Check .................................................................37

2.10 Optical Disk Drive Troubleshooting............................................................................38

Procedure 1 Diagnostic Test Program Execution Check.............................38

Procedure 2 Connector Check and Replacement Check..............................38

2.11 Modem Troubleshooting..............................................................................................39

Procedure 1 Diagnostic Test Program Execution Check.............................39

Procedure 2 Connector Check and Replacement Check..............................39

2.12 LAN Troubleshooting..................................................................................................41

Procedure 1 Diagnostic Test Program Execution Check.............................41

Procedure 2 Connector Check and Replacement Check..............................41

2.13 Wireless LAN Troubleshooting...................................................................................43

Procedure 1 Transmitting-Receiving Check................................................43

Procedure 2 Antennas' Connection Check...................................................44

Procedure 3 Replacement Check .................................................................45

2.14 Sound Troubleshooting................................................................................................46

Procedure 1 Connector Check......................................................................46

Procedure 2 Replacement Check .................................................................47

2.15 Fingerprint Troubleshooting ........................................................................................48

Procedure 1 Diagnostic Test Program Execution Check.............................48

Procedure 2 Connector Check and Replacement Check.............................48

2.16 Bluetooth Troubleshooting ..........................................................................................49

Procedure 1 Diagnostic Test Program Execution Check.............................49

Procedure 2 Connector Check and Replacement Check.............................49

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-3

Chapter2 Troubleshooting Procedures

2

2.1 Troubleshooting

Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer
is causing the computer to malfunction.

The FRUs covered are:

1. Power supply 6. Touch pad 11. Wireless LAN

2. System Board 7. Display 12. Sound

3. USB FDD 8. Optical Disk Drive 13, Finger Print Board

4. 2.5” HDD 9. Modem 14, Bluetooth

5. Keyboard 10. LAN

The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.

NOTE: After replacing the system board or CPU, it is necessary to execute the subtest 01

initial configuration of the 3.3 Setting of the hardware configuration in Chapter

3. Also update with the latest BIOS as described in Appendix G “BIOS Rewrite
Procedures”

After replacing the LCD, update with the latest EC/KBC as described in

Appendix H “EC/KBC Rewrite Procedures” to set the SVP parameter.

The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:

1. Phillips screwdrivers (For replacement procedures)

2. Implements for debugging port check

• Toshiba MS-DOS system FD

• RS-232C cross cable

• Test board with debug port test cable

• PC for displaying debug port test result

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-1


Chapter2 Troubleshooting Procedures

There are following two types of connections in the figure of board and module connection in
and after 2.3 Power Supply Troubleshooting.

(1) Cable connection is described in the figure as line.
(2) Pin connection is described in the figure as arrow.
<e.g.> Connection of modem

2-2 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

2.2 Troubleshooting Flowchart

Use the flowchart in Figure 2-1 as a guide for determining which troubleshooting procedures
to execute. Before going through the flowchart steps, verify the following:

 Ask him or her to enter the password if a password is registered.
 Verify with the customer that Toshiba Windows is installed on the hard disk. Non-

Windows operating systems can cause the computer to malfunction.

 Make sure all optional equipment is removed from the computer.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-3


Chapter2 Troubleshooting Procedures

Figure 2-1 Troubleshooting flowchart (1/2)

2-4 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

Figure 2-1 Troubleshooting flowchart (2/2)

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-5


Chapter2 Troubleshooting Procedures

If the diagnostics program cannot detect an error, the problem may be intermittent. The Test
program should be executed several times to isolate the problem. Check the Log Utilities
function to confirm which diagnostic test detected an error(s), and then perform the
appropriate troubleshooting procedures as follows:

1. If an error is detected on the system test, memory test, display test, CD-ROM/DVD-

ROM test, expansion test, real timer test, sound test or Modem/LAN/Bluetooth
/IEEE1394 test, perform the System Board Troubleshooting Procedures in Section 2.4.

2. If an error is detected on the floppy disk test, perform the USB FDD Troubleshooting

Procedures in Section 2.5.

3. If an error is detected on the hard disk test, perform the HDD Troubleshooting

Procedures in Section 2.6.

4. If an error is found on the keyboard test (DIAGNOSTICS TEST) and pressed key

display test (ONLY ONE TEST), perform the Keyboard Troubleshooting Procedures
in Section 2.7.

5. If an error is found on the touch pad test (ONLY ONE TEST), perform the touch pad

Troubleshooting Procedures in Section 2.8.

6. If an error is detected on the display test, perform the Display Troubleshooting

Procedures in Section 2.9.

7. If an error is detected on the CD-ROM/DVD-ROM test, perform the Optical Disk

Drive Troubleshooting Procedures in Section 2.10.

8. If an error is detected on the modem test, perform the Modem Troubleshooting

Procedures in Section 2.11.

9. If an error is detected on the LAN test, perform the LAN Troubleshooting Procedures

in Section 2.12.

10. If an error is detected on the wireless LAN test, perform the Wireless LAN

Troubleshooting Procedures in Section 2.13.

11. If an error is detected on the sound test, perform the Sound Troubleshooting

Procedures in Section 2.14.

12. If an error is detected on the VGA daughter card test, perform the VGA

Troubleshooting Procedures in Section 2.15.

13. If an error is detected on the fingerprint test, perform the fingerprint Troubleshooting

Procedures in Section 2.16.

14. If an error is detected on the Bluetooth test, perform the Bluetooth Troubleshooting

Procedures in Section 2.17.

2-6 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

2.3 Power Supply Troubleshooting

The power supply controller controls many functions and components. To determine if the
power supply is functioning properly, start with Procedure 1 and continue with the other
Procedures as instructed. The procedures described in this section are:

Procedure 1: Power Status Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Charging Check
Procedure 5: Replacement Check

Procedure 1 Power Status Check

The following LED indicates the power supply status:

 Battery LED
 DC IN LED

The Power Supply control displays the power supply status with the Battery LED and the DC
IN LED as listed in the tables below.

Table 2-1 Battery icon

Battery icon Power supply status

Lights orange Battery is charged and the external DC is input. It has no

relation with ON/OFF of the system power.

Lights blue or white Battery is fully charged and the external DC is input. It has

no relation with ON/OFF of the system power.

Blinks orange
(even intervals)

Blinks orange once
(at being switched on)

Doesn’t light Any condition other than those above.

The battery level is low while the system power is ON.

The system is driven by only a battery and the battery level
is low.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-7


Chapter2 Troubleshooting Procedures

Table 2-2 DC IN icon

DC IN icon Power supply status

Lights blue or white DC power is being supplied from the AC adapter.
Blinks orange Power supply malfunction*1
Doesn’t light Any condition other than those above.

*1 when the power supply controller detects a malfunction, the DC IN icon blinks

orange. It shows an error code.

When the icon is blinking, perform the following procedure.

1. Remove the battery pack and the AC adapter.

2. Re-attach the battery pack and the AC adapter.

If the icon is still blinking after the operation above, check the followings:

Check 1 If the DC IN icon blinks orange, go to Procedure 2.
Check 2 If the DC IN icon does not light, go to Procedure 3.
Check 3 If the battery icon does not light orange or green, go to Procedure 4.

NOTE: Use a supplied AC adapter.

Procedure 2 Error Code Check

Device

Name

(Common) FF Data Compare Error
Memory 2 Protected Mode Not Changed

 ?? Other Error
FDD 1 Bad Command Error

 2 Address Mark Not Found
 3 Write Protected
 4 Record Not Found
 6 Media Change Line Error
 8 DMA Overrun Error
 9 DMA Boundary Error
 0C Select Media Error
 10 CRC Error
 20 FDC Error
 40 Seek Error

Error Code Error Status Name

2-8 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

 80 Time Out Error
 ?? Other Error

HDD 1 Bad Command Error

 2 Bad Address Mark Error
 4 Record Not Found
 5 HDC Not Reset Error
 7 Drive Not Initialized
 9 DMA Boundary Error
 0A Bad Sector
 0B Bad Track Error
 10 ECC Error
 11 ECC Recover Enabled
 20 HDC Error
 40 Seek Error
 80 Time Out Error
 AA Drive Not Ready

HDD BB Undefined Error

 CC Write Fault
 E0 Status Error
 F0 No Sense Error
 ?? Other Error

Cache
Memory

 3 Caching Error
 ?? Other Error

Multimedia 1 Write Error

 0F Invalid Drive
 15 Drive Not Ready
 ?? Other Error

2 Protect Mode Error

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-9


Chapter2 Troubleshooting Procedures

Procedure 3 Connection Check
The wiring diagram related to the power supply is shown below:

Any of the connectors may be disconnected. Perform Check 1.
Check 1 Make sure the AC adapter and the AC power cord is firmly plugged into the DC

IN connector PCN1 and wall outlet. If these cables are connected firmly, go to
Check 2.

Check 2 Replace the AC adapter and the AC power cord with new ones.

• If the DC IN icon does not light, go to Procedure 5.

• If the battery icon does not light, go to Check 3.

Check 3 Make sure the battery pack is installed in the computer correctly. If the battery is

properly installed and the battery icon still does not light, go to Procedure 4.

Procedure 4 Charging Check

Check if the power supply controller charges the battery pack properly. Perform the
following procedures:

Check 1 Make sure the AC adapter is firmly plugged into the DC IN socket (W8800).
Check 2 Make sure the battery pack is properly installed. If it is properly installed, go to

Check 3.

Check 3 The battery pack may be completely discharged. Wait a few minutes to charge the

battery pack while connecting the battery pack and the AC adapter. If the battery
pack is still not charged, go to Check 4.

Check 4 The battery’s temperature is too high or low. Leave the battery for a while to

adjust it in the right temperature. If the battery pack is still not charged, go to
Check 5.

2-10 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

Check 5 Replace the battery pack with a new one. If the battery pack is still not charged,

go to Procedure 5.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-11


Chapter2 Troubleshooting Procedures

Procedure 5 Replacement Check

The power is supplied to the system board by the AC adapter. If either the AC adapter or the
system board was damaged, perform the following Checks.

To disassemble the computer, follow the steps described in Chapter 4, Replacement
Procedures.

When AC adapter is connected;
Check 1 AC adapter may be faulty. Replace the AC adapter with a new one. If the problem

still occurs, perform Check 2.

Check 2 System board may be faulty. Replace the system board with a new one.

When AC adapter is not connected ;
(When driving with battery pack)

Check 1 Battery pack may be faulty. Replace it with a new one. If the problem still occurs,

perform Check 2.

Check 2 System board may be faulty. Replace it with a new one.

2-12 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2 Troubleshooting Procedures

2.4 System Board Troubleshooting

This section describes how to determine whether the system board is malfunctioning or not.
Start with Procedure 1 and continue with the other procedures as instructed. The procedures
described in this section are:

Procedure 1: Message Check
Procedure 2: Debugging Port Check
Procedure 3: Diagnostic Test Program Execution Check
Procedure 4: Replacement Check

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Chapter2 Troubleshooting Procedures

Procedure 1 Message Check

When the power is turned on, the system performs the Power On Self Test (POST) installed
in the BIOS ROM. The POST tests each IC on the system board and initializes it.

 If an error message is shown on the display, perform Check 1.
 If there is no error message, go to Procedure 2.
 If MS-DOS or Windows XP is properly loaded, go to Procedure 4.

Check 1 If one of the following error messages is displayed on the screen, press the F1 key

as the message instructs. These errors occur when the system configuration
preserved in the RTC memory (CMOS type memory) is not the same as the actual
configuration or when the data is lost.

If you press the F1 key as the message instructs, the SETUP screen appears to set
the system configuration. If error message (b) appears often when the power is
turned on, replace the RTC battery. If any other error message is displayed,
perform Check 2.

(a) *** Bad HDD type ***

Check system. Then press [F1] key ......

(b) *** Bad RTC battery ***

Check system. Then press [F1] key ......

(c) *** Bad configuration ***

Check system. Then press [F1] key ......

(d) *** Bad memory size ***

Check system. Then press [F1] key ......

(e) *** Bad time function ***

Check system. Then press [F1] key ......

(f) *** Bad check sum (CMOS) ***

Check system. Then press [F1] key ......

(g) *** Bad check sum (ROM) ***

Check system. Then press [F1] key ......

Check 2 If the following error message is displayed on the screen, press any key as the

message instructs.
The following error message appears when data stored in RAM under the resume
function is lost because the battery has become discharged or the system board is
damaged. Go to Procedure 3.

WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.

If any other error message displays, perform Check 3.

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Check 3 The IRT checks the system board. When the IRT detects an error, the system

stops or an error message appears.
If one of the following error messages (1) through (17), (24) or (25) is displayed,

go to Procedure 4.
If error message (18) is displayed, go to the Keyboard Troubleshooting

Procedures.
If error message (19), (20) or (21) is displayed, go to the 2.5” HDD

Troubleshooting Procedures.
If error message (22) or (23) is displayed, go to the USB FDD Troubleshooting

Procedures.

(1) PIT ERROR
(2) MEMORY REFRESH ERROR
(3) TIMER CH.2 OUT ERROR
(4) CMOS CHECKSUM ERROR
(5) CMOS BAD BATTERY ERROR
(6) FIRST 64KB MEMORY ERROR
(7) FIRST 64KB MEMORY PARITY ERROR
(8) VRAM ERROR
(9) SYSTEM MEMORY ERROR
(10) SYSTEM MEMORY PARITY ERROR
(11) EXTENDED MEMORY ERROR
(12) EXTENDED MEMORY PARITY ERROR
(13) DMA PAGE REGISTER ERROR
(14) DMAC #1 ERROR
(15) DMAC #2 ERROR
(16) PIC #1 ERROR
(17) PIC #2 ERROR
(18) KBC ERROR
(19) HDC ERROR
(20) HDD #0 ERROR
(21) HDD #1 ERROR
(22) NO FDD ERROR
(23) FDC ERROR
(24) TIMER INTERRUPT ERROR
(25) RTC UPDATE ERROR

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Procedure 2 Debugging Port Check

Check the MiniPCI Debug board. The tool for debug port test is shown below.

Figure 2-2 A set of tool for debug port test

The test procedures are follows:

1. Replace Mini PCI debug port with Wireless LAN card, check LED in the Mini PCI

debug board

The following is a list of the Test Point codes written to port 80h at the start
of each routine, the beep codes issued for terminal errors, and a description
of the POST routine. Unless otherwise noted, these codes are valid for
Phoenix BIOS 4.0 Release 6.0.

NOTE: The following routines are sorted by their test point numbers were assigned in the
BIOS code. Their actual order as executed during POST can
Be quite different.

Code Beeps POST Routine Description

02h Verify Real Mode
03h Disable Non-Maskable Interrupt (NMI)
04h Get CPU type
06h Initialize system hardware
08h Initialize chipset with initial POST values
09h Set IN POST flag
0Ah Initialize CPU registers
0Bh Enable CPU cache
0Ch Initialize caches to initial POST values
0Eh Initialize I/O component
0Fh Initialize the local bus IDE
10h Initialize Power Management
11h Load alternate registers with initial POST values
12h Restore CPU control word during warm boot
13h Initialize PCI Bus Mastering devices

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Code Beeps POST Routine Description

14h Initialize keyboard controller
16h1-2-2-3 BIOS ROM checksum
17h Initialize cache before memory autosize
18h 8254 timer initialization
1Ah 8237 DMA controller initialization
1Ch Reset Programmable Interrupt Controller
20h1-3-1-1 Test DRAM refresh
22h1-3-1-3 Test 8742 Keyboard Controller
24h Set ES segment register to 4 GB
26h Enable A20 line
28h Autosize DRAM
29h Initialize POST Memory Manager
2Ah Clear 512 KB base RAM
2Ch1-3-4-1 RAM failure on address line xxxx*
2Eh1-3-4-3 RAM failure on data bits xxxx* of low byte of memory bus
2Fh Enable cache before system BIOS shadow
30h1-4-1-1 RAM failure on data bits xxxx* of high byte of memory bus
32h Test CPU bus-clock frequency
33h Initialize Phoenix Dispatch Manager
36h Warm start shut down
38h Shadow system BIOS ROM
3Ah Autosize cache
3Ch Advanced configuration of chipset registers
3Dh Load alternate registers with CMOS values
42h Initialize interrupt vectors
45h POST device initialization
46h2-1-2-3 Check ROM copyright notice
48h Check video configuration against CMOS
49h Initialize PCI bus and devices
4Ah Initialize all video adapters in system
4Bh QuietBoot start (optional)
4Ch Shadow video BIOS ROM
4Eh Display BIOS copyright notice
50h Display CPU type and speed
51h Initialize EISA board
52h Test keyboard
54h Set key click if enabled
58h2-2-3-1 Test for unexpected interrupts
59h Initialize POST display service
5Ah Display prompt "Press F2 to enter SETUP"
5Bh Disable CPU cache
5Ch Test RAM between 512 and 640 KB
60h Test extended memory
62h Test extended memory address lines

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64h Jump to UserPatch1
66h Configure advanced cache registers
67h Initialize Multi Processor APIC
68h Enable external and CPU caches
69h Setup System Management Mode (SMM) area
6Ah Display external L2 cache size
6Bh Load custom defaults (optional)
6Ch Display shadow-area message
6Eh Display possible high address for UMB recovery
70h Display error messages
72h Check for configuration errors
76h Check for keyboard errors
7Ch Set up hardware interrupt vectors
7Eh Initialize coprocessor if present
80h Disable onboard Super I/O ports and IRQs
81h Late POST device initialization
82h Detect and install external RS232 ports
83h Configure non-MCD IDE controllers
84h Detect and install external parallel ports
85h Initialize PC-compatible PnP ISA devices
86h Re-initialize onboard I/O ports.
87h Configure Motheboard Configurable Devices (optional)
88h Initialize BIOS Data Area
89h Enable Non-Maskable Interrupts (NMIs)
8Ah Initialize Extended BIOS Data Area
8Bh Test and initialize PS/2 mouse
8Ch Initialize floppy controller (optional)
8Fh Determine number of ATA drives (optional)
90h Initialize hard-disk controllers
91h Initialize local-bus hard-disk controllers
92h Jump to UserPatch2
93h Build MPTABLE for multi-processor boards
95h Install CD ROM for boot
96h Clear huge ES segment register
97h Fixup Multi Processor table
98h1-2 Search for option ROMs. One long, two short beeps on checksum failure
99h Check for SMART Drive (optional)
9Ah Shadow option ROMs
9Ch Set up Power Management
9Dh Initialize security engine (optional)
9Eh Enable hardware interrupts
9Fh Determine number of ATA and SCSI drives
A0h Set time of day
A2h Check key lock
A4h Initialize Typematic rate
A8h Erase F2 prompt

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Code Beeps POST Routine Description

AAh Scan for F2 key stroke
ACh Enter SETUP
AEh Clear Boot flag
B0h Check for errors
B2h POST done - prepare to boot operating system
B4h One short beep before boot
B5h Terminate QuietBoot (optional)
B6h Check password (optional)
B9h Prepare Boot
Bah Initialize DMI parameters
BBh Initialize PnP Option ROMs
BCh Clear parity checkers
BDh Display MultiBoot menu
BEh Clear screen (optional)
BFh Check virus and backup reminders
C0h Try to boot with INT 19
C1h Initialize POST Error Manager (PEM)
C2h Initialize error logging
C3h Initialize error display function
C4h Initialize system error handler
C5h PnPnd dual CMOS (optional)
C6h Initialize notebook docking (optional)
C7h Initialize notebook docking late
C8h Force check (optional)
C9h Extended checksum (optional)
D2h Unknown interrupt

Chapter2 Troubleshooting Procedures

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Code Beeps For Boot Block in Flash ROM

E0h Initialize the chipset
E1h Initialize the bridge
E2h Initialize the CPU
E3h Initialize system timer
E4h Initialize system I/O
E5h Check force recovery boot
E6h Checksum BIOS ROM
E7h Go to BIOS
E8h Set Huge Segment
E9h Initialize Multi Processor
EAh Initialize OEM special code
EBh Initialize PIC and DMA
ECh Initialize Memory type
EDh Initialize Memory size
EEh Shadow Boot Block
EFh System memory test
F0h Initialize interrupt vectors
F1h Initialize Run Time Clock
F2h Initialize video
F3h Initialize System Management Mode
F4h 1 Output one beep before boot
F5h Boot to Mini DOS
F6h Clear Huge Segment
F7h Boot to Full DOS

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Procedure 3 Diagnostic Test Program Execution Check

Execute the following tests from the Diagnostic Test Menu. These tests check the system
board. Refer to Chapter 3, Tests and Diagnostic, for more information on how to perform
these tests.

1. System test

2. Memory test

3. Keyboard test

4. Display test

5. Floppy Disk test

6. VGA test

7. VGA Memory test

8. Hard Disk test

9. CPU Temperature test

10. Main Battery test

11. BIOS test

12. CD-ROM/DVD-ROM test

13. System Status LED test

14. Wireless LAN test

15. LAN/Modem/Sound test

16. UUID test-DMI Information (Write DMI)

If an error is detected during these tests, go to Procedure 4.

Procedure 4 Replacement Check

System board may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and replace system board with a new one.

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2.5 USB FDD Troubleshooting

To check whether the USB FDD is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: FDD Head Cleaning Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector Check and Replacement Check

Procedure 1 FDD Head Cleaning Check

FDD head cleaning is one option available in the Diagnostic Program.
After connecting USB FDD, insert the Diagnostics Disk in the floppy disk drive. Turn on the

computer and run the test. And then clean the FDD heads using the cleaning kit. If the FDD
still does not function properly after cleaning, go to Procedure 2.

Detailed operation is given in Chapter 3, Tests and Diagnostics.
If the test program cannot be executed on the computer, go to Procedure 3.

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Procedure 2 Diagnostic Test Program Execution Check

Insert the Diagnostics Disk in the USB FDD, turn on the computer and run the test. Refer to
Chapter 3, Tests and Diagnostics, for more information about the diagnostics test procedures.

Make sure the floppy disk is formatted correctly and that the write protect tab is disabled.
Floppy disk drive test error codes and their status names are listed in Table 2-7. If any other
errors occur while executing the FDD diagnostics test, go to Check 1.

Table 2-7 FDD error code and status

Code Status

01h Bad command
02h Address mark not found
03h Write protected
04h Record not found
06h Media replaced
08h DMA overrun error
09h DMA boundary error
10h CRC error
20h FDC error
40h Seek error
60h FDD not drive
80h Time out error (Not ready)
EEh Write buffer error
FFh Data compare error

Check 1 If the following message is displayed, disable the write protect tab on the floppy

disk by sliding the write protect tab to “write enable”. If any other message
appears, perform Check 2.

Write protected

Check 2 Make sure the floppy disk is formatted correctly. If it is, go to Procedure 3.

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Procedure 3 Connector Check and Replacement Check

USB FDD is connected to USB port on system board and US board. US board is also
connected to system board by cable. The connection of cable and board may be defective.
Otherwise, they may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and perform the following checks.

Check 1 Make sure USB FDD is firmly connected to USB port. If the connection is loose,

connect firmly and repeat Procedure 2. If the problem still occurs, go to Check 2.

NOTE: When checking the connection, be sure to check it with care for the followings.

1. Cable can not be disconnected from the connector.

2. Cable is connected straight to the connector.

3. Cable is connected all the way seated in the connector.

4. Cable can not be broken.

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Check 2 USB FDD may be faulty. Replace it with a new one. If the problem still occurs,

perform Check 3.

Check 3 Connect USB FDD to each port embedded on system board.

If it does not work properly when connected to CN12, CN19, CN20 or all ports,
perform Check 4.

Check 4 System board may be faulty. Replace it with a new one following the steps in

Chapter 4, Replacement Procedures.

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2.6 2.5” HDD Troubleshooting

To check if 2.5” HDD is malfunctioning or not, follow the troubleshooting procedures below
as instructed.

Procedure 1: Partition Check
Procedure 2: Message Check
Procedure 3: Format Check
Procedure 4: Diagnostic Test Program Execution Check
Procedure 5: Connector Check and Replacement Check

CAUTION: The contents of the hard disk will be erased when the 2.5” HDD

troubleshooting procedures are executed. Transfer the contents of the hard
disk to floppy disks or other storage drive(s). For the backup, refer to the
User’s Manual.

Procedure 1 Partition Check

Insert the Toshiba MS-DOS system disk and start the computer. Perform the following
checks:

Check 1 Input C: and press Enter. If you cannot change to drive C, go to Check 2. If you

can change to drive C, go to Procedure 2.

Check 2 Input FDISK and press Enter. Choose Display Partition Information from the

FDISK menu. If drive C is listed in the Display Partition Information, go to Check

3. If drive C is not listed, return to the FDISK menu and choose the option to
create a DOS partition or a logical DOS drive on drive C. If the problem still
occurs, go to Procedure 2.

Check 3 If drive C is listed as active in the FDISK menu, go to Check 4. If drive C is not

listed as active, return to the FDISK menu and choose the option to set the active
partition for drive C. Then go to Procedure 2.

Check 4 Remove the system disk from the FDD and reboot the computer. If the problem

still occurs, go to Procedure 2. Otherwise, the 2.5” HDD is operating normally.

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Procedure 2 Message Check

When the power is turned on, the system performs the Initial Reliability Test (IRT) installed
in the BIOS ROM. When the test detects an error, an error message is displayed on the screen.

Make sure no floppy disk is in the FDD. Turn on the computer and check the message on the
screen. When an OS starts from the 2.5” HDD, go to Procedure 3. Otherwise, start with
Check 1 below and perform the other checks as instructed.

Check 1 If any of the following messages appear, go to Procedure 3. If the following

messages do not appear, perform Check 2.

HDC ERROR

or

HDD #X ERROR (After 5 seconds this message will disappear.)

Check 2 If either of the following messages appears, go to Check 3. If the following

messages do not appear, perform Check 4.

Insert system disk in drive

Press any key when ready .....

or

Non-System disk or disk error
Replace and press any key when ready

Check 3 Using the SYS command of the MS-DOS, transfer the system to the 2.5” HDD. If

the system is not transferred, go to Procedure 3. Refer to the MS-DOS Manual for
detailed operation.

If the following message appears on the display, the system program has been
transferred to the HDD.

System Transferred

If an error message appears on the display, perform Check 4.

Check 4 2.5” HDD(s) and the connector(s) of system board may be defective (Refer to the

steps described in Chapter 4, Replacement Procedures for disassembling.). Insert
HDD(s) to the connector(s) firmly. If it is (or they are) firmly connected, go to
Procedure 3.

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Procedure 3 Format Check

The computer’s HDD is formatted using the MS-DOS FORMAT program or the physical
format program of the test program. To format the HDD, start with Check 1 below and
perform the other steps as required.

Refer to the MS-DOS Manual for the operation of MS-DOS. For the format by the test
program, refer to the Chapter 3.

Check 1 Format an 2.5” HDD using MS-DOS FORMAT command. Type as FORMAT

C:/S/U.
If 2.5” HDD can not be formatted, perform Check 2.

Check 2 Using the MS-DOS FDISK command, set the 2.5” HDD partition. If the partition

is not set, go to Check 3. If it is set, format 2.5” HDD using MS-DOS FORMAT
command.

Check 3 Using the Diagnostic Disk, format 2.5” HDD with a format option (physical

format). If HDD is formatted, set the 2.5” HDD partition using MS-DOS FDISK
command.

If you cannot format 2.5” HDD using the Tests and Diagnostic program, go to
Procedure 4.

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Procedure 4 Diagnostic Test Program Execution Check

The HDD test program is stored in the Diagnostics Disk. Perform all of the HDD tests in the
Hard Disk Drive Test. Refer to Chapter 3, Tests and Diagnostics, for more information about
the HDD test program.

If an error is detected during the HDD test, an error code and status will be displayed. The
error codes and statuses are described in Table 2-8. If an error code is not displayed but the
problem still occurs, go to Procedure 5.

Table 2-8 2.5” Hard disk drive error code and status

Code Status

05 HDD - HDC NOT RESET ERROR
07 HDD - DRIVE NOT INITIALIZE

09 HDD - DMA BOUNDARY ERROR
0B HDD - BAD TRACK ERROR
BB HDD - UNDEFINED ERROR

08 HDD - OVERRUN ERROR (DRQ ON)

01 HDD - BAD COMMAND ERROR

02 HDD - ADDRESS MARK NOT FOUND

04 HDD - RECORD NOT FOUND ERROR

10 HDD - ECC ERROR

20 HDD - HDC ERROR

40 HDD - SEEK ERROR

80 HDD - TIME OUT ERROR

11 HDD - ECC RECOVER ENABLE
AA HDD - DRIVE NOT READY

CC HDD - WRITE FAULT

E0 HDD - STATUS ERROR
0A HDD - BAD SECTOR
EE HDD - ACCESS TIME ERROR
DA HDD - NO HDD

12 HDD - DMA CRC ERROR

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Procedure 5 Connector Check and Replacement Check

HDD(s) is/are connected to the connector(s) on the system board. The connection of HDD(s)
and board may be defective. Otherwise, they may be faulty. Disassemble the computer
following instructions in Chapter 4, Replacement Procedures and perform the following
checks.

Check 1 Make sure HDD(s) is/are firmly connected to the connector(s) on the system

board.

If any of the connections are loose, reconnect firmly and repeat Procedure 1. If the
problem still occurs, go to Check 2.

Check 2 (One of) HDD(s) may be faulty. Replace it with a new one following the

instructions in Chapter 4, Replacement Procedures and check the operation. If the
problem still occurs, perform Check 3.

Check 3 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedures.

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2.7 Keyboard Troubleshooting

To check if the computer’s keyboard is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute the Keyboard Test (DIAGNOSTIC TEST) and Pressed key display test (ONLY
ONE TEST) in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more
information on how to perform the test program.

If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning
properly.

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Procedure 2 Connector and Replacement Check

The connection of cable and board may be defective. Otherwise, they may be faulty.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures, and perform the following checks:

Check 1 Make sure keyboard cable is firmly connected to system board.

If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem
still occurs, go to Check 2.

Check 2 Keyboard may be faulty. Replace it with a new one following the instructions in

Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3.

Check 3 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedures.

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2.8 Touch pad Troubleshooting

To check if the computer’s touch pad is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute the Touch pad test (ONLY ONE TEST) in the Diagnostic Program. Refer to Chapter
3, Tests and Diagnostics, for more information on how to perform the test program.

If an error occurs, go to Procedure 2. If an error does not occur, touch pad is functioning
properly.

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Procedure 2 Connector and Replacement Check

The connection of cable and board may be defective. Otherwise, they may be faulty.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures, and perform the following checks:

Check 1 Make sure the cable is firmly connected to system board.

If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem

still occurs, go to Check 2.

Check 2 Touch Pad or the cable may be faulty. Replace it with a new one following the

instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 3.

Check 3 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedures

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2.9 Display Troubleshooting

To check if the computer’s display is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: External Monitor Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector and Cable Check
Procedure 4: Replacement Check

Procedure 1 External Monitor Check

Connect an external monitor to the computer’s external monitor port, then boot the computer.
The computer automatically detects the external monitor.

If the external monitor works correctly, the internal LCD may be faulty. Go to Procedure 3.
If the external monitor appears to have the same problem as the internal monitor, system

board may be faulty. Go to Procedure 2.

Procedure 2 Diagnostic Test Program Execution Check

The Display Test program is stored in Diagnostics disk. This program checks the display
controller on system board. Insert the Diagnostics disk in the USB FDD, turn on the computer
and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected,
go to Procedure 3.

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Procedure 3 Connector and Cable Check

LCD Module is connected to system board by an LCD/FL cable. FL inverter board is also
connected to system board by an LCD/FL cable. And, fluorescent lamp is connected to FL
inverter board by HV cable. Their cables may be disconnected from system board or FL
inverter board. Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures.

If the connection is loose, reconnect firmly and restart the computer. If the problem still
occurs, go to Procedure 4.

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Procedure 4 Replacement Check

Fluorescent lamp, FL inverter, LCD module, HV cable and LCD/FL cable are connected to
display circuits. Any of these components may be faulty. Refer to Chapter 4, Replacement
Procedures, for instructions on how to disassemble the computer and then perform the
following checks:

If fluorescent lamp does not light, perform Check 1.
If characters or graphics on the internal display are not displayed clearly, perform

Check 4.
If some screen functions do not operate properly, perform Check 4.
If fluorescent lamp remains lit when the display is closed, perform Check 5.

Check 1 Replace fluorescent lamp with a new one following the instructions in Chapter 4,

Replacement Procedures and test the display again. If the problem still occurs,
perform Check 2.

Check 2 LCD/FL cable may be faulty. Replace FL/LCD cable with a new one following the

instructions in Chapter 4, Replacement Procedure and test the display again. If the
problem still occurs, perform Check 3.

Check 3 FL inverter may be faulty. Replace FL inverter with a new one following the

instructions in Chapter 4, Replacement Procedure and test the display again. If the
problem still occurs, perform Check 4.

Check 4 LCD module may be faulty. Replace LCD module with a new one following the

instructions in Chapter 4, Replacement Procedure and test the display again. If the
problem still occurs, perform Check 5.

Check 5 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedure.

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Chapter2Troubleshooting Procedures

2.10 Optical Disk Drive Troubleshooting

To check if optical disk drive is malfunctioning or not, follow the troubleshooting procedures
below as instructed.

Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute the CD-ROM/DVD-ROM Test in the Diagnostic Program. Refer to Chapter 3, Tests
and Diagnostics for more information on how to perform the test program.

Prepare the tools before the test.
If any error is detected by the test, go to Procedure 2.

Procedure 2 Connector Check and Replacement Check

The connection of optical disk drive and system board may be defective. Otherwise, they may
be faulty. Disassemble the computer following the steps described in Chapter 4 and perform
the following checks:

Check 1 Make sure optical disk drive is firmly connected to the connector on system board.

If the connection is loose, reconnect it firmly and return to Procedure 2. If the

problem still occurs, perform Check 2.

Check 2 Optical disk drive may be faulty. Replace it with a new one following the steps in

Chapter 4. If the problem still occurs, perform Check 3.

Check 3 System board may be faulty. Replace it with new one following the instructions in

Chapter 4.

2-38 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2Troubleshooting Procedures

2.11 Modem Troubleshooting

To check if modem is malfunctioning or not, follow the troubleshooting procedures below as
instructed.

Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute Modem test in the LAN/Modem/Bluetooth/IEEE1394 test program. Refer to Chapter
3, Tests and Diagnostics for more information on how to perform the test program.

If any error is detected, perform Procedure 2.

Procedure 2 Connector Check and Replacement Check

MDC (Modem Daughter Card) is used as the modem for this computer. MDC is connected to
system board by connector CN31(Santa Rosa) or CN29(NAPA). And also, MDC is connected
to system and LAN board by modem cable. If modem malfunctions, the connection of cable,
board and module may be defective. Otherwise, they may be faulty.

Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-39

Chapter2Troubleshooting Procedures

Check 1 Make sure the following connections are firmly connected.

If any connector is disconnected, connect it firmly and return to Procedure 1. If the
problem still occurs, perform Check 2.

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Chapter2Troubleshooting Procedures

Check 2 Modem cable may be faulty. Replace it with a new one. If the problem still occurs,

perform Check 3.

Check 3 MDC may be faulty. Replace it with a new one following the steps in Chapter 4. If

the problem still occurs, perform Check 4.

Check 4 Cable between MDC and system board may be faulty. Replace it with a new one

following the instructions in Chapter 4. If the problem still occurs, perform Check

5.

Check 6 System board may be faulty. Replace it with a new one following the instruction in

Chapter 4.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-41

Chapter2Troubleshooting Procedures

2.12 LAN Troubleshooting

To check if the computer’s LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute LAN test in the LAN/Modem test program. Refer to Chapter 3, Tests and Diagnostics
for more information on how to perform the test program.

If any error is detected by the test, go to Procedure 2.

Procedure 2 Connector Check and Replacement Check

The LAN function is embedded on system board. If LAN malfunctions, its connection is
defective or LAN cable and system board may be faulty.

Check 1 Make sure LAN cable is firmly connected to the connector CN9. If the problem

still occurs, perform Check 2.

Check 2 LAN cable may be faulty. Replace it with a new one. If the problem still occurs,

perform Check 3.

Check 3 System board may be faulty. Replace it with a new one following the instruction in

Chapter 4.

2-42 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2Troubleshooting Procedures

2.13 Wireless LAN Troubleshooting

To check if the computer's Wireless LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: Transmitting-Receiving Check
Procedure 2: Antennas' Connection Check
Procedure 3: Replacement Check

Procedure 1 Transmitting-Receiving Check

Before starting the test, make sure the wireless communication switch is set in the ON
position.

Check 1 Execute Wireless LAN test program to check the transmitting-receiving function

of wireless LAN. You will need a second computer that can communicate by
wireless LAN. Perform the test following the instructions described in Chapter 3.

If the computer passes the test, the function is correctly working. If the computer
does not pass the test, perform Procedure 2.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-43

Chapter2Troubleshooting Procedures

Procedure 2 Antennas' Connection Check

The wireless LAN function-wiring diagram is shown below:

Any of the connections may be defective. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures, and perform the following checks:

Check 1 Make sure the wireless communication switch is “On”.

If the switch is “Off”, turn it “On”. If the problem still occurs, perform Check 2.

Check 2 Make sure wireless LAN card (Mini-PCI) is firmly connected to the CN2200 on

system board. If the connector is defective, connect it firmly and perform
Procedure 1. If the problem still occurs, perform Check 3.

Check 3 Make sure that wireless LAN antenna cables (black and white) are firmly

connected to the connectors on Wireless LAN card. If wireless LAN antenna
cables are not connected properly, connect them firmly and perform Procedure 1.
If the problem still occurs, go to the procedure 3.

2-44 Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual

Chapter2Troubleshooting Procedures

Procedure 3 Replacement Check

Wireless LAN card, wireless LAN antenna or system board may be faulty. Refer to Chapter 4,
Replacement Procedures, for instructions on how to disassemble the computer and then

perform the following checks:

Check 1 Wireless LAN antenna may be faulty. Replace it with a new one following the

instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 2.

Check 2 Wireless LAN card may be faulty. Replace it with a new one following the

instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 3.

Check3 System board may be faulty. Replace it with a new one following the instructions

in Chapter 4, Replacement Procedures.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-45

Chapter2Troubleshooting Procedures

2.14 Sound Troubleshooting

To check if the sound function is malfunctioning or not, follow the troubleshooting procedures
below as instructed.

Procedure 1: Connector Check
Procedure 2: Replacement Check

Procedure 1 Connector Check

As the connection may be defective, disassemble the PC and check each connection.
If the problem still occurs, go to Procedure 2.

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Chapter2Troubleshooting Procedures

Procedure 2 Replacement Check

 If External microphone/Headphone does not work properly, perform check 1.
 If Internal microphone /Speaker does not work properly, perform check 2.
 If HP out does not work properly, perform check 3.
 If Volume control does not work properly, perform check 4.

Check 1 External microphone/Headphone may be faulty. Replace it with a new one

following the steps in Chapter 4. If the problem still occurs, perform Check 5.

Check 2 Internal microphone /Speaker may be faulty. Replace it with a new one following

the steps in Chapter 4. If the problem still occurs, perform Check 5.

Check 3 HP out may be faulty. Replace it with a new one following the steps in Chapter 4.

If the problem still occurs, perform Check 5.

Check 4 Volume control may be faulty. Replace it with a new one following the steps in

Chapter 4. If the problem still occurs, perform Check 6.

Check 5 Flat cable between AD board/Speaker and system board may be faulty. Replace it

with new cable following the instructions in Chapter 4. If the problem still occurs,
perform Check 6.

Check 6 Audio board/System board may be faulty. Replace it with a new one following the

instructions in Chapter 4.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-47

Chapter2Troubleshooting Procedures

2.15 Fingerprint Troubleshooting

To check if the computer’s Fingerprint is malfunctioning or not, follow the troubleshooting
procedures below as instructed.

Procedure 1: Connector Check and Replacement Check

Procedure 1 Diagnostic Test Program Execution Check

Execute Fingerprint test in the test program. Refer to Chapter 3, Tests and Diagnostics for
more information on how to perform the test program.

If any error is detected, perform Procedure 2.

Procedure 2 Connector Check and Replacement Check

The Fingerprint function is embedded on system board. If Fingerprint malfunctions, its
connection is defective or Fingerprint cable and system board may be faulty.

Check 1 Make sure Fingerprint cable is firmly connected to the connector CN14(Santa

Rosa)orCN8(NAPA). If the problem still occurs, perform Check 2.

Check 2 Fingerprint cable may be faulty. Replace it with a new one. If the problem still

occurs, perform Check4.

Check 3 Fingerprint may be faulty. Replace it with a new one following the steps in

Chapter 4. If the problem still occurs, perform Check 4.

Check 4 System board may be faulty. Replace it with a new one following the instruction in

Chapter 4.

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Chapter2Troubleshooting Procedures

2.16 Bluetooth Troubleshooting

To check if the computer’s Bluetooth is malfunctioning or not, follow the troubleshooting
procedure below as instructed.

Procedure 1 Diagnostic Test Program Execution Check

Procedure 2 Connector Check and Replacement Check

The Bluetooth function is connected to system board. If Bluetooth malfunctions, its
connection is defective or Bluetooth cable and system board may be faulty.

Check 1 Make sure Bluetooth cable is firmly connected to the connector CN9(SantaRosa)

orCN13(NAPA). If the problem still occurs, perform Check 2.

Check 2 Bluetooth cable may be faulty. Replace it with a new one. If the problem s till

occurs, perform Check 3.

Check 3 Bluetooth may be faulty. Replace it with a new one following the steps in Chapter

4. If the problem still occurs, perform Check 4.

Check 4 System board may be faulty. Replace it with a new one following the instruction in

Chapter 4.

Satellite U400/Satellite Pro U400/PORTEGE M800Maintenance Manual 2-49

Test Program for Field.

Chapter 3

Diagnostic Programs

Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 1

Test Program for Field.

Chapter 3 Contents

3.1 Tests and Diagnostics Software Overview............................................................... 3

3.2 Executing the Diagnostic Test.................................................................................. 4

3.3 Subtest names............................................................................................................ 8

3.4 System Test............................................................................................................. 11

3.5 Memory Test........................................................................................................... 18

3.6 Keyboard Test......................................................................................................... 22

3.7 Display Test............................................................................................................ 25

3.8 Floppy Disk Test..................................................................................................... 40

3.9 Hard Disk Test........................................................................................................ 42

3.10 Real Time Clock Test............................................................................................. 45

3.11 Cache Memory Test................................................................................................ 47

3.12 High Resolution Display Test................................................................................. 49

3.13 Multimedia Test...................................................................................................... 55

3.14 MEMORY2 Test..................................................................................................... 56

3.15 Error Codes and Error Status Names...................................................................... 58

3.16 Running Test........................................................................................................... 60

3.17 DMI INFOEMATION............................................................................................ 61

3.17.1 Check DMI Information ................................................................................. 61

3.17.2 Write DMI Information................................................................................... 61

3.17.3 Computrace Disabled...................................................................................... 63

3.18 Log Utilities............................................................................................................ 64

3.18.1 Operations....................................................................................................... 64

3.19 System Configuration............................................................................................. 66

3.20 Running Test Edit Item........................................................................................... 67

3.20.1 Function Description....................................................................................... 67

3.20.2 Operation Description..................................................................................... 67

3.21 Common Tests and Operation ................................................................................ 69

3.21.1 How to operate a window............................................................................... 69

3.21.2 How to Stop the Test Program........................................................................ 69

3.21.3 Test Status Screen........................................................................................... 69

3.21.4 Test Stop Display............................................................................................ 71

3.21.5 How to enter data............................................................................................ 71

2 Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual

Test Program for Field.

3.1 Tests and Diagnostics Software Overview

This chapter explains how to use the Tests and Diagnostics Software for the Satellite U400
and Satellite Pro U400 computer systems.

NOTES: Before starting the Tests and Diagnostics software:

1. Check all cables for loose connections.

2. Exit any application and close Windows.

The Diagnostics Menu consists of the following options:

 Diagnostic Test
 Running Test
 DMI Information
 Log Utilities
 System Configuration
 Option

The Diagnostic Test Menu consists of the following functional tests:

 System Test
 Memory Test
 Keyboard Test
 Display Test
 Floppy Disk Test
 Hard Disk Test
 Real Time Clock Test
 Cache Memory Test
 High Resolution Display Test
 Multimedia Test
 Memory2 Test
 FDD & HDD Error Retry Count Set

The following equipment is required to perform some of the diagnostic test programs:

 The Diagnostics Disk (all tests)
 A formatted working disk for the floppy disk drive test (all tests)
 A CD test media (Toshiba Backup CD ROM for the CD-ROM test)

The following sections detail the tests contained within the Diagnostic Test Menu. Refer to
Sections 3.18, 3.19, 3.20 and, 3.21 for detailed information on the remaining functions of the
Tests and Diagnostics software.

Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 3

Test Program for Field.

3.2 Executing the Diagnostic Test

DOS is required to run the Diagnostics Program. To start the programs follow these steps:

1. Create a DOS bootable disk and copy all the files from the Tests and Diagnostics

software to the disk.

2. Insert the boot disk into the computer’s floppy disk drive and turn on the computer.
The following screen displays:

3. To select the Diagnostic Test from the Diagnostics Menu use the arrow keys to set the

highlight bar to 01 and press Enter.

TOSHIBA Satellite(Pro) U400 Diagnostics

Version v1.10

[ DIAGNOSTICS MENU ]

01.DIAGNOSTIC TEST

02.RUNNING TEST

03.DMI INFORMATION

04.LOG UTILITIES

05.SYSTEM CONFIGURATION

06.OPTION

99.EXIT

::Select item
ESC :Escape

4 Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual

Test Program for Field.

The following menu displays:

TOSHIBA Satellite(Pro) U400 Diagnostics

Version V1.10

[ DIAGNOSTICS MENU ]

01. DIAGNOSTIC TEST

02. RUNNING TEST

03. DMI INFORMATION

04. LOG UTILITIES

05. SYSTEM CONFIGURATION

01. SYSTEM TEST 08. CACHE MEMORY TEST

01. SYSTEM TEST

06. OPTION

02. MEMORY TEST 09. HIGH RESOLUTION DISPLAY TEST

99. EXIT

03. KEYBOARD TEST 10. MULTIMEDIA TEST

04. DISPLAY TEST 11. MEMORY2 TEST

05. FLOPPY DISK TEST 88. FDD&HDD ERROR RETRY COUNT SET

06. HARD DISK TEST 99. EXIT TO DIAGNOSTICS MENU

07. REAL TIME CLOCK TEST

[ DIAGNOSTIC TEST MENU ]

:Select item Enter:Decision item Esc:Escape

::Select item
ESC :Escape

Refer to Sections 3.4 through 3.14 for detailed descriptions of Diagnostics Tests 1 through

11. Item 88 sets the floppy disk drive and hard disk drive error retry count. Item 99 exits the
submenu of the Diagnostic Test and returns to the Diagnostics Menu.

Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 5

Test Program for Field.

01. SYS

4. Select the subtest you want to execute and press Enter. The following menu displays:

TOSHIBA Satellite(Pro) U400 Diagnostics

Version V1.10

: :Select item
ESC :Escape

[ DIAGNOSTICS MENU ]

01. DIAGNOSTIC TEST

02. RUNNING TEST

03. DMI INFORMATION

04. LOG UTILITIES

05. SYSTEM CONFIGURATION

01. SYSTEM TEST

01. SYSTEM TEST 9. REAL TIME CLOCK TEST

06. OPTION

02. MEMORY TEST 08. CACHE MEMORY TEST

99. EXIT

03. KEYBOARD TEST 09. HIGH RESOLUTION DISPLAY TEST

04. DISPLAY TEST 10. MULTIMEDIA TEST

05. FLOPPY DISK TEST 11. MEMRY2 TEST

06. HARD DISK TEST 88. FDD&HDD ERROR RETRY COUNT SET

07. REAL TIME CLOCK TEST 99. EXIT TO DIAGNOSTICS MENU

[ SYSTEM TEST ]

01. FAN ON/OFF

01. FAN ON/OFF

[ DIAGNOSTIC TEST MENU ]

02. Battery Test

03. CPU Temperature

04. 3D HDD Protection Test (90d)

99. Exit to DIAGNOSTIC TEST MENU

5. Select the desired test from the subtest menu and press Enter. The following Test

Parameter menu displays:

TOSHIBA Satellite(Pro) U400 Diagnostics

Version V1.10

: :Select item
ESC :Escape

[ DIAGNOSTICS MENU ]

01. DIAG STIC TEST NO

02. RUNNING TEST

03. DISK UTILITIES

4. LOG 0 UTILITIES
URATION05. SYST CONFIGEIM

01. SYSTEM TEST 09. REAL TIME CLOCK TEST

06. OPT ON

02. MEMORY TEST 10. NPX TEST

99. EXIT

03. KEYBOARD TEST 11. HIGH RESOLUTION DISPLAY TEST

04. DISPLAY TEST 12. MULTIMEDIA TEST

05. FLOPPY DISK TEST 13. USB TEST

06. HARD DISK TEST 14. MEMORY2 TEST

07. REAL TIME CLOCK TEST 88. FDD&HDD ERROR RETRY COUNT SET

99. EXIT TO DIAGNOSTICS MENU

[ TEST PARAMETER ]

01. Go To Test

01. Go To Test

02. Test Loop : YES

03. Error Stop : NO

TEM TEST

[ DIAGNOSTIC TEST MENU ]

01. FAN ON/OFF

01. FAN ON/OFF

02. Batterey Test

03. CPU T

99. Exit

[ SYSTEM TEST ]

mperature

to DIAGNOSTIC TEST MENU

Use the arrow keys to highlight the desired option and press Enter.

6 Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual

Test Program for Field.

NOTES: The Item2 and 3 of Test Parameter are not used by some tests.

Go To Test

Move the highlight bar to Go To Test and press Enter to start executing the test.

Test Loop

Select NO to return the screen to the subtest menu after the test is complete.
Select YES to set the test to run continuously until it is halted by the user.

Error Stop

Select NO to keep the test running even if an error is found.
Select YES to stop the test program when an error is found and display the HALT
OPERATION screen as shown below:

[[ HALT OPERATION ]]
1: Test end
2: Continue
3: Retry

These three selections have the following functions:

1: Terminates the test program and exits to the subtest menu.
2: Continues the test from the error.
3: Restarts the test from the beginning.

Use the arrow keys to move the cursor to the desired option and press Enter.

Table 3-1 in Section 3.3 lists the function of each test on the subtest menu. Table 3-2 in
Section 3.15 lists the error codes and error status for each error.

Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 7