Toshiba Personal Computer PORTEGE M100 Maintenance Manual
First edition July 2003
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 PORTEGE M100 at the time
of this manual's production. However, succeeding computers and manuals are subject to
change without notice. Therefore, Toshiba assumes no liability for damages incurred directly
or indirectly from errors, omissions, or discrepancies between any succeeding product and
this manual.
Trademarks
IBM is a registered trademark, and OS/2 and PS/2 are trademarks of IBM Corporation.
Microsoft, MS-DOS, Windows, DirectSound and DirectMusic are registered trademarks of
Microsoft Corporation.
Intel and Pentium are registered trademarks, and SpeedStep is a trademark of Intel
Corporation.
Sound Blaster is a registered trademark of Creative Technology Ltd.
Centronics is a registered trademark of Centronics Data Computer Corporation.
Photo CD is a trademark of Eastman Kodak.
All other properties are trademarks or registered trademarks of their respective holders.
ii PORTEGE M100 Maintenance Manual (960-452)
Preface
This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer PORTEGE M100, referred to as M100 in this manual.
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.
PORTEGE M100 Maintenance Manual (960-452) iii
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the PORTEGE M100 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
This manual uses the following formats to describe, identify, and highlight terms and
operating procedures.
Acronyms
On the first appearance and whenever necessary for clarification acronyms are enclosed in
parentheses following their definition. For example:
Read Only Memory (ROM)
Keys
Keys are used in the text to describe many operations. The key top symbol as it appears on
the keyboard is printed in boldface type.
Key operation
Some operations require you to simultaneously use two or more keys. We identify such
operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means you must hold down Ctrl and at the same time press Pause (Break). If
three keys are used, hold down the first two and at the same time press the third.
User input
Text that you are instructed to type in is shown in the boldface type below:
DISKCOPY A: B:
The display
Text generated by the computer that appears on its display is presented in the type face
below:
Format complete
System transferred
PORTEGE M100 Maintenance Manual (960-452) v
Table of Contents
Chapter 1 Hardware Overview
1.1 Features ......................................................................................................................1-1
1.2 System Unit Block Diagram ...................................................................................... 1-6
1.3 3.5-inch Floppy Disk Drive (USB External) ........................................................... 1-10
1.4 2.5-inch Hard Disk Drive......................................................................................... 1-11
The Toshiba PORTEGE M100 Personal Computer uses extensive Large Scale Integration
(LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to
provide compact size, minimum weight, low power usage and high reliability. This computer
incorporates the following features and benefits: The product configuration is BTO/CTOcompatible so that a system can be designed to suit a specific purpose.
Processor
PORTEGE M100 computer is equipped with an Intel Pentium
Intel Pentium® M Processor
A 1.20GHz Intel Pentium® M Processor with a 1.20GHz internal clock, 400MHz
FSB and 1.180V/0.956V core operation
Cache Memory
64KB primary cache (in CPU) and 1MB secondary cache (in CPU)
Memory
Two DDR SO-DIMM slots are available for installation of PC2100 compatible 128,
256, 512MB and 1GB memory modules. The memory is expandable up to 2GB.
HDD
Single 40GB or 60GB internal drive. 2.5 inch x 9.5mm height.
FDD
An external three-mode 3.5-inch FDD, which connects with a USB port (option),
supports 720KB and 1.44MB formats and enables booting from system FD.(BTO)
®
M Processor.
DVD-ROM
A full-size and runs either 12cm (4.72-inch) or 8cm (3.15-inch) DVD/CDs without an
adapter. It plays DVDs at a maximum 8-speed and reads CDs at maximum 24-speed.
CD-RW/DVD-ROM Drive
This drive is a CD-R/RW and DVD drive. It is full-size and runs either 12cm (4.72inch) or 8cm (3.15-inch) DVD/CDs without an adapter. It plays DVDs at a maximum
8-speed, writes CD-R at maximum 24-speed, writes CD-RW at maximum 24-speed,
and reads CDs at maximum 24-speed.
PORTEGE M100 Maintenance Manual (960-452) 1-1
1 Hardware Overview 1.1 Features
Keyboard
An-easy-to-use 85/86-key keyboard provides a numeric keypad overlay for fast
numeric data entry or for cursor and page control. The keyboard also includes two
keys that have special functions in Microsoft Windows XP. It supports software that
uses a 101- or 102-key enhanced keyboard.
AccuPoint II
This pointer control stick, located in the center of the keyboard, provides convenient
control of the cursor without requiring desk space for a mouse. The computer also has
two mouse buttons and two scroll buttons on this side of the keyboard.
Display
The display comes in the following type:
• 12.1” XGA-TFT color display, resolution 1024(H)×768(V), 16M colors
A high-resolution external monitor connected to the computer can display up to
2048(H)×1536(V), at 16M colors.
Batteries
The computer has two batteries: a lithium-ion main battery pack and RTC battery
(that backs up the Real Time Clock and CMOS memory). The secondary Battery can
be used, which is attached in the slim select bay.
Slot for expansion memory
One SO-DIMM slots are available for expansion memory of 128, 256, 512MB and
1GB-memory modules. One module must be installed in slot A as standard memory.
Universal Serial Bus (USB)
The computer comes with two USB ports supporting USB 2.0. The USB enables
daisy-chain connection of up to 127 USB-equipped devices. It is designed for easy
configuration by a Plug-and-Play operating system and provides hot insertion/ejection
capability.
Infrared port
The infrared port is compatible with Fast InfraRed (FIR) standards enabling wireless
up to 4Mbps data transfer with Infrared Data Association (IrDA) 1.1 compatible
devices.
IEEE1394
Depending on the model, one port of IEEE1394 connector is mounted. I/O devices
(digital video camera, etc) supporting IEEE1394 can be connected.
1-2 PORTEGE M100 Maintenance Manual (960-452)
1.1 Features 1 Hardware Overview
Bluetooth
Bluetooth wireless technology eliminates the need for cables between electronic
devices such as computers and printers. Bluetooth provides fast, reliable, and secure
wireless communication in a small space.
Internal LAN
The computer is equipped with LAN circuits that support Ethernet LAN (10 megabits
per second, 10BASE-T) and Fast Ethernet LAN (100 mega bits per second, 100
BASE-TX). It also supports Wakeup on LAN (WOL) and Magic Packet.
Wireless LAN (mini PCI Card slot (1 slot, BTO))
In some models customer to order (BTO), a Mini PCI Card with wireless LAN
functions is available.
This function ca be switched on and off by a switch on the computer.
PC Card Slot
A PC Card Slot accommodates two 5mm cards (Type II) or one 10.5mm card (Type
III). The computer supports the PC Card Standard Release 2.01 cards and for
advanced cards, including PC Card 16's Multifunction cards and CardBus 32-bit
cards.
Slim Select Bay
The Slim Select Bay can accommodate the following modules: DVD-ROM drive,
CD-RW/DVD-ROM drive, optional secondary battery pack and optional Slim Select
Bay HDD Adaptor.
An optional battery pack can be installed in the Slim Select Bay to increase the
computer’s battery power and operating time.
An optional 2.5” HDD can be installed in the Slim Select Bay to increase the
computer’s data storage capacity. The capacity of the optional HDD is 40GB or
60GB.
SD Card Slot
The computer is equipped with a SD Card slot that can accommodate Secure Digital
flash memory cards with capacities of 8MB, 16MB, 32MB, 64MB, 256MB and
512MB. SD cards let the user easily transfer data from devices, such as digital
cameras and Personal Digital Assistants, that use SD Card flash-memory. The cards
have a high-level of security and copy protection features.
PORTEGE M100 Maintenance Manual (960-452) 1-3
1 Hardware Overview 1.1 Features
Sound system
This computer includes sound controllers that support AC’97 I/F (AC-Link) Revision
2.2. The sound system is equipped with the following:
• Stereo speakers
• Built-in Microphone
• Volume control knob
• Headphone jack
• External microphone jack
Internal modem
The internal modem is equipped as a modem daughter card (MDC).
The internal modem provides capability for data and fax communication and supports
ITU-TV.90. For data reception it operates at 56,000bps and for data transmission it
operates at 33,600bps. For fax transmission it operates at 14,400bps. The speed of
data transfer and fax depends on analog telephone line conditions. It has an RJ11
modem jack for connecting to a telephone line.
Presentation button
This button changes the display by LCD to by LCD+CRT and vice versa.
TOSHIBA Console button
This button launches an application automatically. The default is TOSHIBA Console.
1-4 PORTEGE M100 Maintenance Manual (960-452)
1.1 Features 1 Hardware Overview
The computer is shown in Figure 1-1. The system unit configuration is shown in Figure 1-2.
Figure 1-1 Front of the computer
Figure 1-2 System unit configuration
PORTEGE M100 Maintenance Manual (960-452) 1-5
1 Hardware Overview 1.2 System Unit Block Diagram
1.2 System Unit Block Diagram
Figures 1-3 is block diagrams of the system unit.
Figure 1-3 System unit block diagram
1-6 PORTEGE M100 Maintenance Manual (960-452)
1.2 System Unit Block Diagram 1 Hardware Overview
The system unit is composed of the following major components:
Recording method MFM (Modified Frequency Modulation)
1-10 PORTEGE M100 Maintenance Manual (960-452)
1.4 2.5-inch Hard Disk Drive 1 Hardware Overview
1.4 2.5-inch Hard Disk Drive
The removable HDD is a random-access, non-volatile storage device. It has a non-removable
2.5-inch magnetic disk and mini-Winchester type magnetic heads. The computer supports a
40GB and 60GB HDD.
The HDD is shown in Figure 1-5. Specifications are listed in Table 1-2 and 1-3.
Figure 1-5 2.5-inch HDD
Table 1-2 2.5-inch HDD dimensions
Parameter Standard value
Outline Width (mm)
dimensions Height (mm)
Depth (mm)
Weight (g)
TOSHIBA
HDD2171
69.85 69.85 70.1 max
9.5 9.5 9.5
100 100 100
102 max. 102 max. 95
TOSHIBA
HDD2184
HITACHI
G8BC00009110
PORTEGE M100 Maintenance Manual (960-452) 1-11
1 Hardware Overview 1.4 2.5-inch Hard Disk Drive
Table 1-3 2.5-inch HDD specifications
Specifications
Parameter
Storage size (formatted) 40GB 60GB
TOSHIBA
HDD2171
HITACHI
G8BC00009110
TOSHIBA
HDD2184
Speed (RPM)
Data transfer speed
Interface transfer rate
(MB/s)
Track density (Ktpi) 57.1
Access Time
Track to track
Average seek
Max seek
Start time (sec)
200.8~333.2 222.4~352.8 202.9~373.3
2
12
22
4 typ.
10 max.
5400±0.1%
100 max.
(Ultra DMA mode)
63.0
13
24
5 typ.
78.9
2
12
22
4 typ.
10 max.
1-12 PORTEGE M100 Maintenance Manual (960-452)
1.5 DVD-ROM Drive 1 Hardware Overview
1.5 DVD-ROM Drive
The DVD-ROM drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch) CDs. It is
a high-performance drive that reads at a maximum 24-speed (3,600 KB per second).
The DVD-ROM drive is shown in Figure 1-6. Specifications for the DVD-ROM drive are
described in table 1-4.
Figure 1-6 DVD-ROM drive
Table 1-4 DVD-ROM drive specifications
Toshiba SD-C2612
Item DVD-ROM
mode
ATAPI Burst (Mbytes/s) 33.3 (Ultra DMA mode 2)
16.7(PIO mode 4, Multi word DMA mode 2)
Access time (ms)
Average Random Access
Average Full Stroke Access
Rotation speed (rpm) 4,670 Max 5,100 Max 4800 Max
Data Buffer Capacity (Kbytes) 128
Supported Format DVD: DVD-ROM(DVD-5, DVD-9, DVD-10, DVD-18)
DVD-R (read,single border), DVD-RW,
DVD-RAM
CD : CD-DA,CD+(E)G,CD-MIDI,CD-TEXT,CD-
CD-ROM XA, CD-I, CD-I Bridge(Photo-CD,
Multisession CD (PhotoCD, CD-EXTRA,CD-R,
CD-RW),CD-R (read),CD-RW(read)
100
160
ROM,
Video-CD),
CD-ROM
mode
95
160
DVD-RAM
mode
170
350
PORTEGE M100 Maintenance Manual (960-452) 1-13
1 Hardware Overview 1.6 CD-RW/DVD-ROM Drive
1.6 CD-RW/DVD-ROM Drive
The CD-RW/DVD-ROM drive accommodates either 12cm (4.72-inch) or 8cm (3.15-inch)
CDs and CD-R/RWs or DVDs. It reads DVDs at a maximum 8-speed and CDs at a
maximum 24-speed.
The CD-RW/DVD-ROM drive is shown in Figure 1-7. Specifications for the CD-RW/DVDROM drive are listed in table 1-5.
Figure 1-7 CD-RW/DVD-ROM drive
Table 1-5 CD-RW/DVD-ROM drive specifications
TEAC DW-224E-A
Item DVD-ROM mode CD-ROM mode CD-R/CD-RW
ATAPI Burst (Mbytes/s) 33.3 (Ultra DMA mode 2)
16.6 (PIO Mode 0 to 4, Multi word DMA mode 0 to 2)