Toshiba Personal Computer TECRA M5 Maintenance Manual
First edition January 2006
Disclaimer
The information presented in this manual has been reviewed and validated for accuracy. The
included set of instructions and descriptions are accurate for the TECRA M5 at the time of
this manual's production. However, succeeding computers and manuals are subject to
change without notice. Therefore, Toshiba assumes no liability for damages incurred
directly or indirectly from errors, omissions, or discrepancies between any succeeding
product and this manual.
Trademarks
IBM is a registered trademark and IBM PC is a trademark of International Business
Machines Corporation.
Intel, Intel SpeedStep, Intel Core and Centrino are trademarks or registered trademarks of
Intel Corporation or its subsidiaries in the United States and other countries/regions.
Windows and Microsoft are registered trademarks of Microsoft Corporation.
Photo CD is a trademark of Eastman Kodak.
Sonic RecordNow! is a registered trademark of Sonic Solutions.
Bluetooth is a trademark owned by its proprietor and used by TOSHIBA under license.
i.LINK is trademark and registered trademark of Sony Corporation.
InterVideo and WinDVD are registered trademarks of InterVideo Inc. WinDVD Creator is
trademark of InterVideo Inc.
Other trademarks and registered trademarks not listed above may be used in this manual.
ii [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)
Preface
This maintenance manual describes how to perform hardware service maintenance for the
Toshiba Personal Computer TECRA M5.
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.
TECRA M5 Maintenance Manual (960-542) [CONFIDENTIAL] iii
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the TECRA M5 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
iv [CONFIDENTIAL] TECRA M5 Maintenance Manual (960-542)
Conventions
This manual uses the following formats to describe, identify, and highlight terms and
operating procedures.
Acronyms
On the first appearance and whenever necessary for clarification acronyms are enclosed in
parentheses following their definition. For example:
Read Only Memory (ROM)
Keys
Keys are used in the text to describe many operations. The key top symbol as it appears on
the keyboard is printed in boldface type.
Key operation
Some operations require you to simultaneously use two or more keys. We identify such
operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause (Break) means you must hold down Ctrl and at the same time press Pause (Break). If
three keys are used, hold down the first two and at the same time press the third.
User input
Text that you are instructed to type in is shown in the boldface type below:
DISKCOPY A: B:
The display
Text generated by the computer that appears on its display is presented in the type face
below:
Format complete
System transferred
TECRA M5 Maintenance Manual (960-542) [CONFIDENTIAL] v
The Toshiba TECRA M5 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.
There some models and options. Refer to the Parts List for the configuration of each model
and options.
Microprocessor
The TECRA M5 computer is equipped with an Intel® CoreTM Duo Processor or Intel®
CoreTM Solo Processor. These processors incorporate a math co-processor, a 2MB L2
cache memory.
The PC comes in with one of the following speeds:
A 3.5-inch USB FDD accommodates 2HD (1.44MB) or 2DD (720KB) disks.
Slim Bay
An Optical drive, 2
nd
HDD or 2nd Battery pack can be installed in the Slim Bay.
Optical Drive
A CD-ROM drive, DVD-ROM drive, CD-R/W&DVD-ROM drive or DVD Super Multi
drive can be installed in the Slim Bay.
Display
The PC comes in with one of the following two types:
••14.1” XGA-TFT color display, resolution 1,024×768
14.1” SXGA+TFT color display, resolution 1,400×1,050
A video controller and a 128MB VRAM enables an external monitor to display 16M
colors at a resolution of 1,024×768 pixels or 1,400×1,050 pixels.
Keyboard
An-easy-to-use 85(US)/87(UK)-key keyboard provides a numeric keypad overlay for fast
numeric data entry or for cursor and page control. The keyboard also includes two keys
that have special functions in Microsoft® Windows® 2000/XP. It supports software that
uses a 101- or 102-key enhanced keyboard.
TOSHIBA Dual Pointing Device
The TOSHIBA Dual Pointing Device consists of Touch Pad and AccuPoint. The touch
pad and control buttons enable control of the on-screen pointer and scrolling of windows.
The pointer control stick and AccuPoint enables convenient control of the cursor.
Batteries
The computer has two batteries: a rechargeable Lithium-Ion main battery pack and RTC
battery (that backs up the Real Time Clock and CMOS memory).
Three 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.
IEEE 1394 port
The computer comes with one IEEE 1394 port. It enables high-speed data transfer
directly from external devices such as digital video cameras.
Serial port
The serial port enables connection of serial devices such as an external modem, serial
mouse or serial printer.
External monitor (RGB) port
The port enables connection of an external monitor, which is recognized automatically by
Video Electronics Standards Association (VESA) Display Data Channel (DDC) 2B
compatible functions.
PC card and ExpressCard slot
A PC card slot and an ExpressCard slot are provided. The PC card slot (PCMCIA)
accommodates one Type II card and the ExpressCard slot accommodates an ExpressCard.
SD Card slot
The SD Card Slot can accommodate Secure Digital flash memory cards with various
capacities. SD cards let you easily transfer data from devices, such as digital cameras and
Personal Digital Assistants, which use SD Card flash-memory.
Fingerprint sensor
The computer is equipped with a fingerprint sensor and fingerprint authentication utility.
They enable only person who has registered his/her fingerprint to use the computer.
The video jack enables to transfer NTSC or PAL data to external devices connected with
S-Video cable.
Internal modem
The computer contains a MDC, enabling data and fax communication. It supports ITU-T
V.90 (V.92). The transfer rates are 56 Kbps for data reception, 33.6 Kbps for data
transmission, and 14,400 bps for fax transmission. However, the actual speed depends on
the line quality. The RJ11 modem jack is used to accommodate a telephone line. Both of
V.90 and V.92 are supported only in USA, Canada and Australia. Only V.90 is available
in other regions.
Internal LAN
The computer is equipped with LAN circuits that support Gigabit Ethernet LAN (1000
megabits per second, 1000BASE-T). It also supports Wakeup on LAN (WOL), Magic
Packet and LED.
B Wireless LAN
The computer is equipped with PCI-Ex MiniCard type wireless LAN board that supports
802.11 a/b/g in the PCI-Ex MiniCard slot. This function can be switched on and off by a
switch on the computer.
Bluetooth
The computer is equipped with Bluetooth (V2.0+EDR) communications standard enable
wireless connection between electronic devices such as computers and printers.It
supports wireless communication switch.
Presentation button
This button switches the display between internal display, external display, simultaneous
display and multi-monitor display.
TOSHIBA Assist button
When this button is pressed during power-on, the PC is connected to "Toshiba Assist".
When this button is pressed during power-off, the PC is turned on and connected to
"Toshiba Assist".
– 288KB for System BIOS
– 64KB for LAN BIOS
– 64KB for VGA BIOS
– 64KB for Finger Print PBA
– 40KB for Logo & Hibernation
– 32KB for Option Log
– Others
LED support Card controller (TI PCI7412ZHK)
− PCI I/F
− CardBus / Ultra media Controller (1 socket)
− SD/MMC, Memory Stick, XD Card Controller
− 1394 Controller (2 ports)
− 288-ball, 16×16×1.4mm, BGA Package
GPU
nVIDIA Quadro NVS 110M (G72)
− VRAM DDR2 128MB
− PCI Express Interface
− LCD Interface
− S-Video
− 533-ball, 23×23×2.35mm, BGA Package
Sound Controller
• Azalia Link (Intel High Definition Audio I/F) built in the Intel GMCH + STAC9200
The removable HDD is a random access non-volatile storage device. It has a non-removable
2.5-inch magnetic disk and mini-Winchester type magnetic heads.
The computer supports a 40GB, 60GB, 80GB or 100GB.
The HDD is shown in figure 1-5. Specifications are listed in Table 1-2.