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See Using the System Setup Program.

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5. Insert the new SEC cartridge/heat sink assembly into the system board connector. Press the SEC cartridge firmly into its connector until it is fully seated and the latches snap into place. You must use up to 25 lb of force to fully seat the SEC cartridge in its connector. Install or replace the two large thumbscrews that secure the heat sink to the system board. 6. If necessary, change the processor speed jumper setting (see Figure B-1 to locate system board jumpers). The processor speed jumper should be set for the installed microprocessor's rated internal speed. For example, for a 350-megahertz (MHz) Intel Pentium II processor, a jumper plug should be installed on the pins labeled "350MHZ." (See Appendix B, "Hardware Configuration Features," for more information on the jumpers.) 7. Rotate the power supply back into position, making sure that the securing tab snaps into place. 8. Replace the computer cover, and reconnect your computer and peripherals to their power sources and turn them on. As the system boots, it detects the presence of the new processor and automatically changes the system configuration information in the System Setup program. NOTE: After you remove and replace the cover, the chassis intrusion detector will cause the following message to be displayed at the next system start-up: ALERT! Cover was previously removed. 9. Enter the System Setup program, and confirm that the system data area correctly identifies the type and number of installed processor(s). See Chapter 3, "Using the System Setup Program." 10. While in the System Setup program, reset the chassis intrusion detector by changing Chassis Intrusion to Not Detected. See Chapter 3, "Using the System Setup Program," for instructions. NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. 11. If you installed a second microprocessor and your system is running Windows NT 4.0, reinstall the operating system. See your Windows NT documentation for instructions. When you reinstall Windows NT 4.0, the operating system detects the second microprocessor. 8-12 Dell Precision 210 Desktop 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, Notes	11
Typographical Conventions	11
Contents	13
Introduction	23
System Features	23
Dell OpenManage Program	26
Fault Management	27
Configuration Management	28
Asset Management	28
Security Management	28
PXE	29
Wakeup On LAN	29
Auto Power On	29
Important Note to Windows 95, Windows 98, and Windows NT 4.0 Users	30
Reinstalling Windows NT 4.0	30
Reinstalling Windows 95 or Windows 98	30
Intel PIIX4 INF Update Installer for Windows 95 or Windows 98	31
Front Panel	33
Back Panel	34
Connecting External Devices	34
Security Cable Slot and Padlock Ring	34
Getting Help	35
Using the Software Support Utilities	37
Dell-Installed Software Support Utilities	38
Backing Up the Software Support Utilities	38
Software Support Utilities on Diskette	38
System Utilities and Services	38
Reinstalling the Dell System Utilities and Services for Windows 95 or Windows 98	39
Reinstalling the Dell System Utilities and Services for Windows NT 4.0	39
Removing a Service	40
Asset Tag Utility	40
Assigning and Deleting an Asset Tag Number	41
Assigning and Deleting an Owner Tag	41
Dell AutoShutdown Service	41
How the AutoShutdown Service Works	42
If Your Operating System Locks Up	42
Dell ThermalShutdown Service	42
Auto Power On Utility	43
Installing the Auto Power On Utility	43
Bus-Mastering EIDE Drivers	44
Enabling the Windows 95 or Windows 98 Bus-Mastering EIDE Driver	44
Microsoft Updated ATAPI Drivers	44
Reinstalling the Windows NT 4.0 Microsoft Updated ATAPI Driver	45
Removing the Windows NT 4.0 Microsoft Updated ATAPI Driver	45
Using the System Setup Program	47
Entering the System Setup Program	48
System Setup Screens	48
Using the System Setup Program	50
System Setup Options	52
Time	52
Date	52
Diskette Drive A and Diskette Drive B	52
Drives: Primary and Secondary	53
EIDE Devices Other Than Hard-Disk Drives	53
EIDE Hard-Disk Drives	53
If You Have a Problem	54
Reserved Memory	55
CPU Speed	55
Num Lock	55
Chassis Intrusion	55
Thermal Power-Off	56
Video DAC Snoop	56
Keyboard Errors	56
System Password	56
Password Status	57
Using Password Status With a System Password Enabled	57
Using Password Status Without a System Password Enabled	57
Boot Sequence	58
Diskette First	58
Hard Disk Only	58
CD-ROM First	58
Device List	58
Setup Password	60
Auto Power On	60
Power Management	60
Saving Monitor Power	60
Saving EIDE Hard-Disk Drive Power	61
Wakeup On LAN	62
Sound	62
NIC	62
Mouse	62
Serial Port 1 and Serial Port 2	63
Parallel Port	63
Parallel Mode	63
IDE Hard Disk	63
Diskette	64
Speaker	64
System Data	65
Using the System Password Feature	65
Assigning a System Password	66
Using Your System Password to Secure Your System	67
Deleting or Changing an Existing System Password	68
Using the Setup Password Feature	69
Assigning a Setup Password	69
Operating With a Setup Password Enabled	69
Deleting or Changing an Existing Setup Password	70
Disabling a Forgotten Password	70
Responding to Error Messages	71
Using the ISA Configuration Utility	73
Quick Start	74
About the ICU	75
ICU Database	75
When to Run the ICU	75
Preparing to Use the ICU	76
Backing Up the ICU Diskette	76
Starting the ICU	77
Accessing Help	77
Making Selections in the ICU	77
Adding a Listed Card	78
Adding an Unlisted Card	81
Modifying a Card	83
Removing a Card	85
Viewing Resources	85
Saving the System Configuration	86
Exiting the ICU	86
Locking and Unlocking Cards	86
Locking and Unlocking All Resources	87
Locking and Unlocking Configuration Resources	87
Using the Network Interface Controller	89
Connecting to a Network	90
Network Cable Requirements	91
Setting the Network Frame Type for Windows 95	91
Configuring the NIC	92
Windows NT 4.0 NIC Driver	92
Windows 95 NIC Driver	93
Dell-Installed Windows 95 Service Release 2.1	93
Windows 95 Operating Systems Not Installed by Dell	95
Using the NDIS 2.01 Driver With Windows 95	97
Using 3Com EtherDisk XL Version 3.01 Diskettes	97
Windows 98 NIC Driver	97
Reinstalling the NIC Driver for a New Windows 98 Installation	97
Reinstalling the NIC Driver for an Existing Windows 98 Installation	99
Using the Integrated Audio Controller	101
Connecting Audio Devices	101
Speakers	102
Microphones	102
Record/Playback Devices	102
CD-ROM Drives	102
Adjusting Volume	103
Adjusting Volume in Windows 95	103
Adjusting Volume in Windows 98	103
Adjusting Volume in Windows NT 4.0	104
Muting the Internal Speaker	104
Adjusting 3D Sound	104
Using Audio Utilities	105
Installing Audio Drivers	105
Audio Drivers for Windows 95	105
Audio Drivers for Windows 98	106
Audio Drivers for Windows NT 4.0	107
Working Inside Your Computer	109
Before You Begin	109
Safety First—For You and Your Computer	109
Unpacking Your Hardware Option	110
Removing the Computer Cover	110
Replacing the Computer Cover	112
Inside Your Computer	113
Rotating the Power Supply Away From the System Board	115
Installing System Board Options	117
Expansion Cards	118
Expansion Slots	119
Installing an Expansion Card	120
Removing an Expansion Card	122
Adding Memory	123
DIMM Installation Guidelines	123
Installing a DIMM	125
Removing a DIMM	126
Microprocessor Upgrades	126
Adding or Replacing a Microprocessor	126
Replacing the System Battery	129
Installing Drives	133
Removing and Replacing Front-Panel Inserts	134
Connecting Drives	135
Installing a Drive in a 5.25-Inch Drive Bay	137
Installing an EIDE Hard-Disk Drive	142
EIDE Drive Addressing	142
Installing an EIDE Hard-Disk Drive in the HardDisk Drive Bracket	142
Partitioning and Logically Formatting Your EIDE HardDisk Drive	146
Technical Specifications	147
Hardware Configuration Features	153
Jumpers and Switches—A General Explanation	153
Jumpers	153
Switches	154
System Board Labels	157
I/O Ports and Connectors	158
Serial and Parallel Ports	158
Adding an Expansion Card Containing Serial or Parallel Ports	159
Serial Port Connectors	160
Parallel Port Connector	161
Keyboard and Mouse Connectors	162
Keyboard Connector	162
Mouse Connector	163
Video Connector	164
NIC Connector	164
USB Connectors	164
Microphone Jack	165
Line-Out Jack	166
Line-In Jack	166
Interrupt Assignments	166
Memory Allocations	168
ISA Configuration Utility Messages	171
ICU Error Messages	171
Configuration Manager Messages	177
Maintaining the System	181
Data Preservation	181
Scheduling Backups	181
Backup Devices	181
Recovering Data	182
Cleaning System Components	182
Recommended Tools and Accessories	183
Cleaning the System, Monitor, and Keyboard Exteriors	183
Cleaning Drives	184
Environmental Factors	184
Temperature	184
Humidity	185
Altitude	185
Dust and Particles	185
Corrosion	186
ESD	186
Electromagnetic and Radio Frequency Interference	186
Magnetism	187
Shock and Vibration	187
Power Source Interruptions	188
Power Protection Devices	188
Surge Protectors	189
Line Conditioners	189
Uninterruptible Power Supplies	189
Regulatory Notices	191
FCC Notices (U.S. Only)	192
Class A	193
Class B	193
IC Notice (Canada Only)	194
CE Notice (European Union)	194
EN 55022 Compliance (Czech Republic Only)	195
VCCI Notice (Japan Only)	195
Class A ITE	195
Class B ITE	196
Polish Center for Testing and Certification Notice	196
Wymagania Polskiego Centrum BadaÒ i Certyfikacji	197
Pozosta³e instrukcje bezpieczeÒstwa	197
NOM Information (Mexico Only)	198
Información para NOM (únicamente para México)	199
BCIQ Notice (Taiwan Only)	199
Warranty, Return Policy, and Year 2000 Statement of Compliance	201
Limited Three-Year Warranty (U.S. and Canada Only)	201
Coverage During Year One	201
Coverage During Years Two and Three	202
General Provisions	202
Total Satisfaction” Return Policy (U.S. and Canada Only)	203
Year 2000 Statement of Compliance for Dell-Branded Hardware Products	204
Previous Products	204
Software	205
Additional Information	205
Glossary	207

Match case Limit results 1 per page

8-12

Dell Precision 210 Desktop Systems User’s Guide

Insert the new SEC cartridge/heat sink assembly into the system board

connector.

Press the SEC cartridge firmly into its connector until it is fully seated and the

latches snap into place. You must use up to 25 lb of force to fully seat the SEC

cartridge in its connector. Install or replace the two large thumbscrews that

secure the heat sink to the system board.

If necessary, change the processor speed jumper setting (see Figure B-1 to

locate system board jumpers).

The processor speed jumper should be set for the installed microprocessor’s

rated internal speed. For example, for a 350-megahertz (MHz) Intel Pentium II

processor, a jumper plug should be installed on the pins labeled “350MHZ.” (See

Appendix B, “Hardware Configuration Features,” for more information on the

jumpers.)

Rotate the power supply back into position, making sure that the securing tab

snaps into place.

Replace the computer cover, and reconnect your computer and peripherals to

their power sources and turn them on.

As the system boots, it detects the presence of the new processor and automat-

ically changes the system configuration information in the System Setup

program.

NOTE: After you remove and replace the cover, the chassis intrusion detector will

cause the following message to be displayed at the next system start-up:

ALERT! Cover was previously removed.

Enter the System Setup program, and confirm that the system data area correctly

identifies the type and number of installed processor(s).

See Chapter 3, “Using the System Setup Program.”

10.

While in the System Setup program, reset the chassis intrusion detector by

changing

Chassis Intrusion

Not Detected

See Chapter 3, “Using the System Setup Program,” for instructions.

NOTE: If a setup password has been assigned by someone else, contact your

network administrator for information on resetting the chassis intrusion detector.

11.

If you installed a second microprocessor and your system is running

Windows NT 4.0, reinstall the operating system.

See your Windows NT documentation for instructions.

When you reinstall Windows NT 4.0, the operating system detects the second

microprocessor.