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Toshiba Tecra 8200 User Guide - Page 235

Interrupt Request channel, Direct Memory Access, Plug and Play

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235 Troubleshooting Guide Resolving a hardware conflict Interrupt Request channel The channel to the CPU is called an Interrupt Request (IRQ) because it interrupts what the processor is doing and requests some of the processor's time. If two or more devices use the same IRQ, the processor doesn't know which device is asking for attention. This causes a hardware conflict. Direct Memory Access Similarly, the data required by the device is stored in a specific place or address in memory called the Direct Memory Access (DMA). The DMA provides a dedicated channel for adapter cards to bypass the microprocessor and access memory directly. If two or more devices use the same DMA, the data required by one device overwrites the data required by the other, causing a hardware conflict. Plug and Play TECHNICAL NOTE: Windows NT does not support Plug and Play. With Plug and Play and Windows 98 Second Edition, avoiding hardware conflicts is easy. Plug and Play is a computer standard that helps the system BIOS (basic input/output system) and Windows 98 Second Edition to automatically assign system resources to Plug and Play-compliant devices. In theory, if every device connected to the computer is Plug and Play-compliant, no two devices will compete for the same system resources. You simply plug in the device and turn on your computer. Your operating system automatically configures your system to accommodate the new device. However, if you install an older (legacy) device that Windows cannot detect, Windows may have difficulty assigning system

Section	Page
Tecra® 8200 Series User’s Guide	1
Model: Tecra 8200 Series	2
Compact Disk-Read/Write	2
Protection of Stored Data	2
Critical Applications	3
FCC Notice “Declaration of Conformity Information”	3
Industry Canada requirement	5
FCC requirements	5
Installation	5
Type of service	5
Telephone company procedures	6
If problems arise	6
Disconnection	6
Fax branding	6
Instructions for IC CS-03 certified equipment	7
Wireless Interoperability	8
Wireless LAN and your Health	8
Regulatory Information	9
Canada – Industry Canada (IC)	9
USA-Federal Communications Commission (FCC)	9
Caution: Exposure to Radio Frequency Radiation	9
Interference Statement	10
Approved Countries for use	11
CD-ROM / DVD-ROM safety instruction	11
Location of the required label	12
Copyright	12
Export Administration regulation	13
Notice	13
Trademarks	14
Energy Star compliance	14
Table of Contents	15
Introduction	23
This guide	24
Safety icons	25
Other icons used	26
Other documentation	26
Operating system notes	27
Service options	28
Chapter 1Finding Your Way Around	29
Making sure you have everything	29
Finding where everything is located	30
Front with the display panel closed	30
Back	31
Right side	33
Left side	34
Front with the display panel open	35
Underside	37
Indicator panel lights	38
System indicator panel lights	38
Keyboard indicator panel lights	39
Chapter 2 Getting Started	41
Selecting a place to work	41
Creating a computer-friendly environment	41
Keeping yourself comfortable	43
Other precautions	46
Setting up your computer	47
Connecting the AC adapter	48
Charging the battery	50
Connecting other external devices	50
Turning on the computer	51
Opening the display panel	51
Turning on the power	51
Using the computer for the first time	53
Registering your computer	53
Shutting down the computer	54
Power down tips	56
Chapter 3 Connecting Other External Devices	57
Using external display devices	57
Connecting the display device	58
Directing the display output when you turn on the computer	59
Adjusting the quality of the external display	60
Video limitations	61
Using an external keyboard	61
Making your external keyboard emulate the Fn key	61
Using a mouse	62
Setting up a PS/2 mouse with the AccuPoint II	62
Connecting a local printer	63
Connecting an external diskette drive	64
Connecting external speakers or headphones	66
Connecting an external microphone	66
Using an expansion device	67
Adding memory	68
Memory module sizes	68
Installing a memory module	69
Removing a memory module	73
Using SelectBay modules	73
Removing a module from the SelectBay	74
Inserting a module into the SelectBay	76
Using the secondary battery with the SelectBay adapter	76
Inserting and removing PC Cards	78
Inserting a PC Card	78
Removing a PC Card	80
Setting up a PC Card for your computer	80
Connecting your modem to a telephone line	81
Connecting to a phone line	81
Chapter 4 Learning the Basics	83
Computing tips	83
Windows basics	85
Logging on to Windows NT	85
Using the keyboard	86
Character keys	87
Making your keyboard emulate a full-size keyboard	87
Ctrl, Fn, and Alt keys	88
Function keys	88
Windows special keys	88
Overlay keys	89
Using the AccuPoint II	91
Starting a program	92
Saving your work	92
Printing your work	93
Using diskettes	94
Inserting and removing a diskette	95
Diskette care	95
Backing up your files	96
Copying to a diskette	96
Using a compact disc drive	97
Inserting compact discs	98
Removing compact discs	100
Caring for CDs and DVDs	101
Using PC Cards	102
Hot swapping	102
Using your computer at the office	103
Using a computer lock	103
Caring for your computer	104
Cleaning the computer	104
Moving the computer	105
Power down options	106
Using Hibernation mode	107
Using Standby command	110
Using Suspend/Resume (memory) mode	111
Shutdown mode hot key	113
Restarting a computer in a special shutdown mode	114
Chapter 5 Power Management	115
Toshiba’s energy-saver design	115
Running the computer on battery power	116
Charging the batteries	117
Monitoring battery power	118
What to do when the battery alarm sounds	122
Changing batteries	123
Taking care of your battery	125
Safety precautions	125
Maximizing battery life	125
Disposing of used batteries safely	126
Conserving power	127
Power usage modes in Windows 98 Second Edition	128
Using a hot key to set the power usage mode	128
Additional options for power	130
Chapter 6 Exploring Your Options	131
Setting up Windows to work with yourprinter	131
Setting up Windows 98 Second Edition to work withyourprinter	132
Setting up Windows NT to work with your printer	135
Exploring audio features	137
Using external speakers or headphones	137
Recording sounds	138
Playing an audio CD-ROM	140
Exchanging data with another computer	141
Setting up for communications	142
Connecting the modem to a telephone line	145
Connecting your computer to a network	145
Toshiba’s online resources	147
An overview of using the Internet	147
The Internet	147
The World Wide Web	147
Internet Service Providers	148
Connecting to the Internet	148
Surfing the Internet	150
Internet features	150
Uploading and downloading files from the Internet	151
Chapter 7 WinDVD	153
Playing DVDs	153
Using the WinDVD toolbar	155
Using the WinDVD status bar	155
Using the WinDVD control panel	156
Using the control panel playback buttons	157
Maximizing the video window	159
Using Playlists	160
Creating playlists	160
Loading and playing Playlists	161
Resuming normal playback after using playlists	162
Customizing WinDVD	162
Setting general properties	163
Setting audio properties	164
Setting display properties	166
Customizing the control panel	167
Using WinDVD Advanced Features	167
Zooming in	171
Panning	172
Zooming out	172
Adjusting the color balance	173
Launching an Internet browser from WinDVD	174
Getting Help	174
Exiting WinDVD	174
Chapter 8 Toshiba Utilities	175
Fnesse	176
Starting Fnesse	176
Assigning a key to a program or document	177
Viewing existing key assignments	180
Changing or removing existing key assignments	181
Hardware Setup	181
Hardware Setup in Windows 98 Second Edition	181
Hardware Setup in Windows NT	184
TSETUP	187
Using Power Management	189
Power Saver	191
Power Saver in Windows 98 Second Edition	191
Power Saver in Windows NT	193
Expansion device properties	195
Chapter 9 Keeping Your Files Safe	197
Using passwords in Windows	197
User-level passwords	198
Protecting against forgetfulness	198
Setting a user-level password	199
Disabling the user-level password	203
Using the power-on (user-level) password	205
Using the instant (user-level) password	206
Supervisor-level passwords	206
Setting a supervisor-level password	206
Deleting a supervisor-level password	209
Hard disk drive passwords - Windows98SecondEdition	211
Setting a hard disk drive user password	212
Creating a user password service diskette	213
Deleting the hard disk drive user password	214
Setting a hard disk drive master password	215
Deleting a hard disk drive master password	217
Hard disk drive passwords - WindowsNT	218
Setting a hard disk drive password	219
Creating a password backup diskette	224
Deleting the hard disk drive password	225
Chapter 10 Troubleshooting Guide	229
Problems that are easy to fix	229
Problems when you turn on the computer	230
Resolving a hardware conflict	234
Using the Windows 98 Second Edition troubleshootingfeature	234
A plan of action	234
Resolving hardware conflicts on your own	234
Memory card problems	237
Power and the batteries	238
Keyboard problems	239
AccuPointII problems	241
Display problems	241
Disk drive problems	243
Modem problems	246
Problems with the CDROM or DVD-ROM drive	246
Sound system problems	248
Optional devices	248
PC Card problems	249
Printer problems	252
Internet Problems	253
DVD operating problems– Windows98SecondEdition	254
WinDVD problems	257
General issues	257
Content issues	259
Minimum system requirements	259
Developing good computing habits	260
Use VirtualTech	261
If you need further assistance	263
Before you call	263
Contacting Toshiba	263
Other Toshiba Internet Web sites	264
Toshiba’s worldwide offices	265
Appendix A Hot Keys	269
Instant password security	269
Power usage mode	270
Shutdown mode	271
Sound	271
Display modes	272
Keyboard hot keys	272
Appendix B Power Cable Connectors	273
USA and Canada	273
United Kingdom	273
Australia	273
Europe	273
Appendix C Video Modes	275
Glossary	279
Acronyms	279
Terms	281