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For Windows 95, use Media Player under Multimedia in the Accessories program

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To mute the internal speaker, follow these steps: The 4237B 3D sound system contains two controls-a space control and a center control-for adjusting the spatial effect of sound played through speakers connected to your computer. Turning up the level of the space control increases the amount of corrected directional information, restores the proper localization of the original sounds, and expands the width of the overall sound stage. Turning down the level of the space control decreases these effects. Always adjust the space control before adjusting the center control. Turning up the center control emphasizes centered sounds (typically vocals, solo instruments, bass, and kick drums in a musical recording) so that their intensity appears increased and they are brought into the center of the room. To adjust the space and center controls, follow these steps: The operating system installed on your Dell system has its own utilities for playing audio CDs and manipulating .wav files: For Windows 95, use Media Player under Multimedia in the Accessories program folder. For Windows NT 4.0, use Audio Input to control the input of devices from which you are recording .wav data. Use Audio Mixer to adjust sound levels from several different audio sources. 6-4 Dell Precision 410 Mini Tower Systems User's Guide

Section	Page
Safety Instructions	3
When Using Your Computer System	3
Ergonomic Computing Habits	4
When Working Inside Your Computer	5
Protecting Against Electrostatic Discharge	6
Preface	9
About This Guide	9
Warranty and Return Policy Information	10
Other Documents You May Need	10
Notational Conventions	11
Warnings, Cautions, and Notes	11
Typographical Conventions	11
Contents	13
Introduction	23
System Features	23
Important Note to Windows 95 and Windows NT 4.0 U...	28
Reinstalling Windows NT 4.0	28
Reinstalling Windows 95	29
Intel PIIX4 INF Update Installer for Windows 95	30
Front Panel	31
Back Panel	32
Connecting External Devices	32
Security Cable Slot and Padlock Ring	33
Getting Help	34
Using the Software Support Utilities	35
Dell-Installed Software Support Utilities	35
Backing Up the Software Support Utilities	36
Software Support Utilities on Diskette	36
System Utilities and Services	36
Reinstalling the Dell System Utilities and Service...	37
Reinstalling the Dell System Utilities and Service...	37
Removing a Service	38
Asset Tag Utility	38
Assigning and Deleting an Asset Tag Number	38
Dell AutoShutdown Service	39
How AutoShutdown Works	39
If Your Operating System Locks Up	39
Dell ThermalShutdown Service	39
Auto Power On Utility	40
Installing the Auto Power On Utility	41
Bus-Mastering EIDE Drivers	41
Reinstalling the Windows NT 4.0 Bus-Mastering EIDE...	41
Removing the Windows NT 4.0 Bus-Mastering EIDE Dri...	43
Enabling the Windows 95 Bus-Mastering EIDE Driver	44
Using the System Setup Program	45
Entering the System Setup Program	46
System Setup Screens	46
Using the System Setup Program	48
System Setup Options	50
Time	50
Date	50
Diskette Drive A and Diskette Drive B	50
Drives: Primary and Secondary	51
EIDE Devices Other Than Hard-Disk Drives	51
EIDE Hard-Disk Drives	51
If You Have a Problem	52
Reserved Memory	53
CPU Speed	53
Num Lock	53
ACPI	53
Chassis Intrusion	54
Thermal Power-Off	54
Keyboard Errors	54
System Password	54
Password Status	55
Using Password Status With a System Password Enabl...	55
Using Password Status Without a System Password En...	55
Boot Sequence	56
Diskette First	56
Hard Disk Only	56
CD-ROM First	56
Device List	56
Setup Password	58
Auto Power On	58
Power Management	58
Saving Monitor Power	59
Saving EIDE Hard-Disk Drive Power	59
Wakeup On LAN	60
Sound	60
NIC	60
Mouse	60
Serial Port 1 and Serial Port 2	61
Parallel Port	61
Parallel Mode	61
IDE Hard Disk	61
Diskette	62
Speaker	62
SCSI	62
System Data	63
Using the System Password Feature	63
Assigning a System Password	64
Using Your System Password to Secure Your System	65
Deleting or Changing an Existing System Password	66
Using the Setup Password Feature	67
Assigning a Setup Password	67
Operating With a Setup Password Enabled	67
Deleting or Changing an Existing Setup Password	68
Disabling a Forgotten Password	68
Responding to Error Messages	69
Using the ISA Configuration Utility	71
Quick Start	72
About the ICU	72
ICU Database	73
When to Run the ICU	73
Preparing to Use the ICU	74
Backing Up the ICU Diskette	74
Starting the ICU	74
Accessing Help	75
Making Selections in the ICU	75
Adding a Listed Card	76
Adding an Unlisted Card	79
Modifying a Card	81
Removing a Card	83
Viewing Resources	83
Saving the System Configuration	84
Exiting the ICU	84
Locking and Unlocking Cards	85
Locking and Unlocking All Resources	85
Locking and Unlocking Configuration Resources	86
Using the Network Interface Controller	87
Connecting to a Network	88
Network Cable Requirements	89
Configuring the NIC	89
Windows NT 4.0 NIC Driver	89
Windows 95 NIC Driver	91
Dell-Installed Windows 95 Service Release 2.1	91
Windows 95 Operating Systems Not Installed by Dell...	93
Using the NDIS 2.01 Driver With Windows 95	94
Using the Integrated Audio Controller	95
Connecting Audio Devices	95
Speakers	96
Microphones	96
Record/Playback Devices	96
CD-ROM Drives	96
Adjusting Volume	97
Adjusting Volume in Windows 95	97
Adjusting Volume in Windows NT 4.0	97
Muting the Internal Speaker	98
Adjusting 3D Sound	98
Using Audio Utilities	98
Installing Audio Drivers	99
Audio Drivers for Windows 95	99
Audio Drivers for Windows NT 4.0	99
Using the Integrated SCSI Controllers	101
SCSI Device Considerations	102
Installing SCSI Drivers	102
SCSI Drivers for Windows 95	103
SCSI Driver for the Primary SCSI Controller	103
SCSI Driver for the Secondary SCSI Controller	104
SCSI Drivers for Windows NT 4.0	104
Working Inside Your Computer	107
Before You Begin	107
Safety First—For You and Your Computer	107
Unpacking Your Hardware Option	108
Removing the Computer Cover	108
Replacing the Computer Cover	110
Inside Your Computer	111
Rotating the Power Supply Away From the System Boa...	113
Installing System Board Options	115
Expansion Cards	116
Expansion Slots	117
Installing an Expansion Card	118
Removing an Expansion Card	120
Adding Memory	120
DIMM Installation Guidelines	121
Installing a DIMM	123
Removing a DIMM	124
Microprocessor Upgrades	124
Adding or Replacing a Microprocessor	125
Replacing the System Battery	127
Installing Drives	131
Removing and Replacing the Front Bezel	132
Removing and Replacing Front-Panel Inserts	133
Connecting Drives	134
Installing a Drive in a 5.25-Inch Drive Bay	136
Installing an EIDE Hard-Disk Drive	141
EIDE Drive Addressing	141
Installing an EIDE Hard-Disk Drive in the Internal...	141
Partitioning and Logically Formatting Your EIDE Ha...	146
Installing SCSI Devices	146
SCSI Configuration Guidelines	146
SCSI ID Numbers	147
Device Termination	147
SCSI Cables	148
General Procedure for Installing SCSI Devices	149
Partitioning and Formatting SCSI Hard-Disk Drives	151
Technical Specifications	153
Hardware Configuration Features	159
Jumpers and Switches—A General Explanation	159
Jumpers	159
Switches	160
System Board Labels	163
I/O Ports and Connectors	164
Serial and Parallel Ports	165
Adding an Expansion Card Containing Serial or Para...	165
Serial Port Connectors	166
Parallel Port Connector	167
External SCSI Connector	168
Keyboard and Mouse Connectors	170
Keyboard Connector	170
Mouse Connector	171
Video Connector	172
NIC Connector	172
USB Connectors	173
Microphone Jack	173
Line-Out Jack	174
Line-In Jack	174
Interrupt Assignments	175
Memory Allocations	175
ISA Configuration Utility Messages	179
ICU Error Messages	179
Configuration Manager Messages	185
Maintaining the System	191
Data Preservation	191
Scheduling Backups	191
Backup Devices	191
Recovering Data	192
Cleaning System Components	192
Recommended Tools and Accessories	193
Cleaning the Computer, Monitor, and Keyboard Exter...	193
Cleaning Drives	194
Environmental Factors	194
Temperature	194
Humidity	195
Altitude	195
Dust and Particles	195
Corrosion	196
ESD	196
Electromagnetic and Radio Frequency Interference	196
Magnetism	197
Shock and Vibration	197
Power Source Interruptions	198
Power Protection Devices	199
Surge Protectors	199
Line Conditioners	199
Uninterruptible Power Supplies	199
Regulatory Notices	201
FCC Notices (U.S. Only)	201
Class A	201
Class B	202
IC Notice (Canada Only)	203
EN 55022 Compliance (Czech Republic Only)	203
CE Notice	204
VCCI Notices (Japan Only)	204
Class A ITE	205
Class B ITE	205
Korean Regulatory Notice	205
Class A Device	205
Class B Device	205
Polish Center for Testing and Certification Notice...	206
Wymagania Polskiego Centrum BadaÒ i Certyfikacji	206
Pozosta³e instrukcje bezpieczeÒstwa	206
NOM 024 Information (Mexico Only)	207
Información para NOM 024 (únicamente para México)...	208
Warranties and Return Policy	209
Limited Three-Year Warranty (U.S. and Canada Only)...	209
Coverage During Year One	209
Coverage During Years Two and Three	210
General	210
Total Satisfaction” Return Policy (U.S. and Canad...	211
Glossary	213

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6-4

Dell Precision 410 Mini Tower Systems User’s Guide

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To mute the internal speaker, follow these steps:

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The 4237B 3D sound system contains two controls—a space control and a center

control—for adjusting the spatial effect of sound played through speakers connected

to your computer. Turning up the level of the space control increases the amount of

corrected directional information, restores the proper localization of the original

sounds, and expands the width of the overall sound stage. Turning down the level of

the space control decreases these effects. Always adjust the space control before

adjusting the center control. Turning up the center control emphasizes centered

sounds (typically vocals, solo instruments, bass, and kick drums in a musical record-

ing) so that their intensity appears increased and they are brought into the center of

the room.

To adjust the space and center controls, follow these steps:

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The operating system installed on your Dell system has its own utilities for playing

audio CDs and manipulating

.wav

files:

For Windows 95, use Media Player under Multimedia in the Accessories program

folder.

For Windows NT 4.0, use Audio Input to control the input of devices from which

you are recording

.wav

data. Use Audio Mixer to adjust sound levels from several

different audio sources.