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Toshiba 8000 Tecra 8000 Users Guide - Page 243

System Resources, IRQ level assignments

UPC - 032017021280

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System Resources This appendix lists the IRQ levels, DMA channels and I/O port addresses. IRQ level assignments The direct line to the CPU is called an Interrupt ReQuest (IRQ) level or channel. You'll hear both terms used by technical experts. They mean the same thing. The following table lists the default IRQ level assignments for the computer: IRQ Use Notes 0 Timer 1 Keyboard 2 PIC #2 3 Modem COM port, modem 4 COM COM port, modem 5 Sound system COM port, printer, modem, ECP, MPU* 219

Section	Page
Tecra 8000 Series User’s Guide	1
Contents	9
Introduction	17
Getting to Know Your Computer	23
To Begin	25
Making sure you have everything	25
Selecting a place to work	25
Keeping the computer comfortable	26
Keeping yourself comfortable	27
Finding where everything’s located	30
Front with the display panel closed	30
Left side	31
Back	32
Right side	34
Underside	35
Keyboard and display features	35
Front with the display panel open	36
Indicator panels	37
Attaching other components	39
Preparing the battery	39
Turning on the computer	39
The operating system	41
Registering your computer	41
When and how to turn off the computer	41
Using Your Computer in the Office	45
Using external display devices	45
Connecting the display device	46
Directing the display output when you turn on the computer	48
Adjusting the quality of the external display	49
Video limitations	49
Using an external keyboard	50
Making your external keyboard emulate the Fn key	50
Using an external mouse	51
Setting up a PS/2 mouse to work with the AccuPoint in Windows 95 and Windows 98	51
Setting up a PS/2 mouse to work with the Accupoint in Windows NT	52
Using a docking solution	52
Hardware Features	55
Adding memory	55
Memory module sizes	56
Installing a memory module	57
Removing the memory module	60
Swapping SelectBay modules	61
Removing a module from the SelectBay	61
Inserting a module into the SelectBay	63
Using the secondary battery in the SelectBay	64
Using PC Card slots	66
Inserting PC Cards	66
Removing a PC Card	68
Setting up your PC Card for your computer	68
Using a modem	69
Connecting to a telephone line with an internal modem	69
Determining your COM port	71
Using the computer’s telephony features	72
Using the Internet	72
Using bulletin board services	73
Discovering Toshiba’s online resources	73
Recording sounds with a microphone	74
Using an external microphone	74
Using an external audio input device	75
Using external speakers or headphones	76
Using Drives	79
Hard disk drive	79
External diskette drive	81
CD-ROM drive	82
DVD-ROM drive	82
Using the DVD-ROM or CD-ROM drive	83
Playing CDs	86
DVD Player overview	87
Setting up the DVD Player	93
General tab	95
Video tab	97
Language tab	100
Information tab	101
Playing a DVD video	102
Getting the sharpest picture	102
Choosing a language	103
Using the search feature	104
Power Management	109
Running the computer on battery power	109
Charging the batteries	110
Monitoring battery power	111
Using Hibernation mode (Windows 95 and Windows 98)	112
What to do when the battery alarm sounds	113
Starting where you left off	114
Changing batteries	115
Taking care of your battery	117
Safety precautions	118
Maximizing battery life	118
Disposing of used batteries safely	118
Conserving power	119
The easy way—choosing a power usage mode in Windows 95 and Windows 98	120
Additional options for power	121
Hot Keys and Function Keys	123
Hot keys for Windows 95, Windows NT	123
Instant password security	123
Battery save mode	124
Resume Mode	124
Sound	124
Power-on display	124
Hot keys for the keyboard	125
Hot keys for Windows 98	125
Power mode	125
Resume Mode (Windows 98)	125
Sound (Windows 98)	125
Fn-esse	125
Starting Fnesse	126
Assigning a key to a program or document	127
Viewing existing key assignments	128
Changing or removing existing key assignments	129
Working with the keyboard	129
Making your keyboard emulate a full-size keyboard	129
Cursor control overlay	130
Numeric keypad overlay	131
Troubleshooting Guide	133
Problems that are easy to fix	133
Problems when you turn on the computer	134
Resolving a hardware conflict	138
A plan of action	139
Resolving hardware conflicts on your own	139
Fixing device-related problems	141
Memory card problems	142
Power and the batteries	143
Keyboard problems	144
AccuPoint problems	145
Display problems	146
Disk drive problems	147
Modem problems	150
Problems with the CDROM or DVD-ROM drive	151
Sound system problems	152
Optional devices	153
PC Card problems	153
Printer problems	157
DVD operating problems–Windows95/ Windows98	158
DVD-ROM error messages	165
Developing good computing habits	166
If you need further assistance	167
Contacting Toshiba	167
Toshiba's worldwide offices	169
Technical Reference	175
System Setup	177
Using TSETUP	177
Using Hardware Setup	178
Using Hardware Setup in Windows 95/98	178
Using Hardware Setup in Windows NT 4.0	179
Keeping Your Files Safe	183
Using a password in Windows 95 and Windows98	183
Setting a user-level password	184
Power-on password	188
Using an instant password	189
Disabling the password	189
Working with supervisor-level passwords	189
Setting a hard disk drive password	191
Using an Undock (Eject) password	198
Using a password in Windows NT Workstation4.0	199
Creating a user-level password	199
Protecting against forgetfulness	200
Using the power-on password	202
Instant password	203
Disabling a user-level password	204
Using a hard disk drive password	204
Using an Eject Password	208
Managing Your Tecra 8000 Series Computer	211
Industry standard architecture	211
Wired for Management	212
Desktop Management Interface	212
Advanced Configuration and Power Interface	212
Operating system compatibility	213
System management	213
LANDesk Client Manager v.3.3	213
Asset management	214
Fault management	216
Enterprise management software compatibility	218
Advanced networking features via the Network Dock	219
Security management	220
System password in Flash, Not CMOS	221
Supervisor password	221
Boot String	221
Hard disk drive password	222
HDD supervisor level password	222
Eject password	222
Dock prevention lock	222
Cable connection	223
Appendixes	225
Features and Specifications	227
Built-in features	227
Technology and processor	227
Power	228
Storage capacity	229
Ports	230
Standard hardware	231
Standard software	233
Special features	233
Documentation	234
Optional accessories and devices	235
SelectBay modules	235
Power devices	236
Memory modules	236
Expansion capability	236
Other	237
Security	237
Specifications	238
Physical dimensions	238
Environmental conditions	238
Power Cable Connectors	241
USA and Canada	241
United Kingdom	241
Australia	241
Europe	241
System Resources	243
IRQ level assignments	243
DMA channel assignments	244
Input/output port address assignments	245
Video Modes	251
Glossary	255