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Toshiba Personal Computer
Satellite M50
Maintenance Manual
TOSHIBA CORPORATION
[CONFIDENTIAL]
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Copyright © 2005 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 M50 Maintenance Manual First edition May 2005 Disclaimer The information presented in this manual has been reviewed and validated for accuracy. The included set of
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Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite M50, referred to as the Satellite M50 Series 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 w
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The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite M50 Series system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service. Chapter 4 Replacement Procedures describes the removal and replacement of the FRUs. Appendices The appendices describe the following: Handling the
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Conventions This manual uses the following formats to describe, identify, and highlight terms and operating procedures. Acronyms On the first appearance and whenever necessary for clarification, acronyms are enclosed in parentheses following their definition. For example: Read Only Memory (ROM) Keys Keys are used in the text to describe many operations. The key top symbol as it appears on the keyboard is printed in boldface type. Key operation Some operations require you to simult
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vi [CONFIDENTIAL] Satellite M50 Series Maintenance Manual
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Table of Contents Chapter 1 Hardware Overview 1.1 Features............................................................................................................................ 1-1 1.2 System Unit...................................................................................................................... 1-6 1.3 2.5-inch Hard Disk Drive................................................................................................. 1-8 1.4 Optical device Drives............
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Chapter 3 Tests and Diagnostics 3.1 The Diagnostic Test .........................................................................................................3-1 3.2 Executing the Diagnostic Test..........................................................................................3-2 3.3 Config Check Test............................................................................................................3-6 3.4 DMI Check Test ..................................................
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Chapter 4 Replacement Procedures 4.1 General......................................................................................................................... 4-1 4.2 Battery.......................................................................................................................... 4-7 4.3 PC Card........................................................................................................................ 4-9 4.4 HDD..........................................
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Appendices Appendix A Handling the LCD Module..................................................................................A-1 Appendix B Board Layout.......................................................................................................B-1 Appendix C Pin Assignments..................................................................................................C-1 Appendix D Keyboard Scan/Character Codes.................................................................
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Chapter 1 Hardware Overview 1 [CONFIDENTIAL]
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1 Hardware Overview 1-ii [CONFIDENTIAL] Satellite M50 Maintenance Manual
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1 Hardware Overview Chapter 1 Contents 1.1 Features......................................................................................................................1-1 1.2 System Unit................................................................................................................1-6 1.3 2.5-inch Hard Disk Drive...........................................................................................1-8 1.4 Optical device Drives.........................................
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1 Hardware Overview Figures Figure 1-1 2.5-inch HDD ................................................................................................ 1-8 Figures Table 1-1 2.5-inch HDD specifications ......................................................................... 1-8 Table 1-2 DVD-ROM & CD-RW drive specifications ................................................. 1-9 Table 1-3 DVD-ROM drive specifications.................................................................. 1-10
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1.1 Features 1 Hardware Overview 1.1 Features The Satellite M50 Series Personal Computer uses extensive Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact size, minimum weight and high reliability. This computer incorporates the following features and benefits: CPU • Intel Pentium-M Dothan 1.6GHz, 1.73GHz, 1.86GHz, 2.0GHz, 2.13GHz • Intel Celeron-M Dothan 1.3GHz, 1.4GHz, and 1.5GHz • FCPGA CPU Chipset • Inte
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1 Hardware Overview 1.1 Features Memory • DDR-I 333MHz specification compliant • Two 200-pin (Jedec Standard) +2.5V SO-DIMM DDR sockets with 256MB/512MB/1GB DDR module • Maximum upgradeable to 2GB by two 1GB SO-DIMM module BIOS • 1MB Flash ROM for system BIOS • Suspend to RAM/Disk • Password protection (System) • Windows 98 ready with PnP • Various hot keys for system control • Refreshable • Complete ACPI 1.0B function Power • 6 cells of Li-Ion 18650 size, smart battery pack
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1.1 Features 1 Hardware Overview • VGA controller M24C with 64MB/128MB VRAM • MINI PCI wireless module (802.11g: Atheros MB43/MB51, Intel Calexico2; 802.11a/g: Atheros MB44, Intel Calexico2) • Dual-band built-in antenna for wireless LAN communication • MDC Modem • Mini PCI module (Analog TV tuner) • External USB remote control devices Keyboard The computer's keyboard layouts are compatible with a 101/102-key enhanced keyboard. There are five types of keys: typewriter keys, keypad ov
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1 Hardware Overview 1.1 Features PCMCIA Card Organization • One type II card socket • SRAM, OTPROM, FLASH ROM, mask ROM memory card up to 64MB • Modem/LAN card • CardBus card • ACPI 1.0B compliant • Supports SD/MMC/MS/MS Pro/xD formats • High speed SD support • SD-IO supported • 1.8" 10.5mm removable ATA device • CardBus card or PC card with hot insertion and removal • Support 5V/3.3V PC Cards and 3.3V Cardbus cards • Supports PCMCIA-ATA Specification Multiple Digital Media Car
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1.1 Features 1 Hardware Overview • Internet Explorer (programmable) • Play/Pause • Stop • Fast forward • Fast rewind Excellent power management function • Standby mode, Suspend to RAM or Suspend to disk mode, using time out or hot key • HDD local standby mode by time out • LCD local standby mode by time out • Low battery alarm by beep • Auto-backlight off when LCD cover closed • Full ACPI 1.0B supported • LCD auto-dim mode by time out Satellite M50 Series Maintenance Manual [CO
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1 Hardware Overview 1.2 System Unit 1.2 System Unit The system unit is composed of the following major components: Processor (depending on the model you purchased) ® ® • Mobile Intel Celeron M Processor 350J/360J/370 or ® ® • Intel Pentium M Processor 725A/730/740/750/760/770 System Logic • Intel 915PM/915GM and 910GML host bridge/controller processor with host bus support • Integrated DRAM controller • Integrated VGA controller • Intel ICH6-M for PCI to LPC Bridge, PCI IDE cont
