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If your system is connected to a network, verify the following network protocol

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Your computer's NIC connector (an RJ45 connector located on the back panel) is designed for attaching an unshielded twisted pair (UTP) Ethernet cable. Press one end of the UTP cable into the NIC connector until the cable snaps securely into place. Connect the other end of the cable to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub, depending on your network configuration. Observe the following cabling restrictions for 10BASE-T and 100BASE-TX networks. For 10BASE-T networks, use Category 3 or greater wiring and connectors. For 100BASE-TX networks, use Category 5 wiring and connectors. The maximum cable run length (from a workstation to a concentrator) is 328 feet (ft) (100 meters [m]). The maximum number of workstations (not counting concentrators) on a network is 1024. For 10BASE-T networks, the maximum number of daisy-chained concentrators on one network segment is four. If your system is connected to a network, verify the following network protocol settings: See your network administrator if you need more information on which frame type to select. The 3Com EtherDisk XL version 3.01 diskettes provided by Dell are compatible with the 3C905 family of NICs. If you purchased a 3Com 3C905-based NIC separately, do not attempt to use the 3Com EtherDisk XL diskettes that came with the NIC. Use only the 3Com EtherDisk XL version 3.01 diskettes that were provided by Dell. 4-4 Dell OptiPlex GX1 and GX1p Midsize Managed PC Systems Reference and Installation Guide

Section	Page
Dell OptiPlex GX1 and GX1p Midsize Managed PC Systems	1
Safety Instructions	3
When Using Your Computer System	3
Ergonomic Computing Habits	4
When Working Inside Your Computer	5
Battery Warning	6
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	21
System Features	21
Hardware Features	22
Software Features	24
Manageability Features	25
Dell OpenManage Program	25
PXE	27
Wakeup On LAN	28
Auto Power On	28
Security Features	28
Chassis Intrusion	28
Security Cable Slot and Padlock Ring	29
Passwords	29
Using the Power Switch	30
Using the Optional Stand for Vertical Orientation	30
ENERGY STAR® Compliance	31
Important Note for Windows 95 Users	32
Intel PIIX4 INF Update Installer for Windows 95	33
Accessing Online Documentation	34
Getting Help	34
Using the System Setup Program	35
Entering the System Setup Program	35
System Setup Screens	36
Using the System Setup Program	37
System Setup Options	38
Time	39
Date	39
Diskette Drive A and Diskette Drive B	39
Drives: Primary and Secondary	39
Reserved Memory	40
CPU Speed	41
Num Lock	41
Chassis Intrusion	41
DAC Snoop	42
ACPI	42
Keyboard Errors	42
System Password	42
Password Status	43
Boot Sequence	43
Diskette First	43
Hard Disk Only	43
CD-ROM First	43
Device List	43
Setup Password	46
Auto Power On	46
Power Management	46
Saving Monitor Power	46
Saving EIDE Hard-Disk Drive Power	47
Wakeup On LAN	48
Sound	48
NIC	48
Mouse	48
Serial Port 1 and Serial Port 2	48
Parallel Port	49
Parallel Mode	49
IDE Hard Disk	49
Diskette	49
Speaker	50
System Data Options	50
Using the System Password Feature	50
Assigning a System Password	51
Using Your System Password to Secure Your System	52
Deleting or Changing an Existing System Password	53
Using the Setup Password Feature	54
Assigning a Setup Password	54
Operating With a Setup Password Enabled	54
Deleting or Changing an Existing Setup Password	55
Disabling a Forgotten Password	55
Responding to Error Messages	56
Using the ISA Configuration Utility	57
Quick Start	58
About the ICU	59
ICU Database	59
When to Run the ICU	59
Preparing to Use the ICU	60
Backing Up the ICU Diskette	60
Starting the ICU	61
Accessing Help	61
Making Selections in the ICU	61
Adding a Listed Card	62
Adding an Unlisted Card	65
Modifying a Card	67
Removing a Card	69
Viewing Resources	69
Saving the System Configuration	70
Exiting From the ICU	70
Locking and Unlocking Cards	71
Locking and Unlocking All Resources	71
Locking and Unlocking Configuration Resources	72
Using Integrated Devices	73
Video Controller	73
Reinstalling DirectX and Video Drivers	73
Audio Controller	75
NIC	75
Network Cable Requirements	76
Setting the Network Frame Type	76
Using 3Com EtherDisk XL Version 3.01 Diskettes	76
Configuring the NIC	77
Windows NT 4.0 NIC	77
Windows NT 3.5x NIC	78
Windows 95 or Windows 98 NIC	79
Windows for Workgroups NIC	80
MS-DOS NIC	82
Working Inside Your Computer	83
Before You Begin	83
Safety First—For You and Your Computer	83
Unpacking Your Hardware Option	84
Removing the Computer Cover	84
Replacing the Computer Cover	86
Inside Your Computer	87
Jumpers	88
Switches	89
System Board and Riser Board Labels	93
Removing and Replacing the Expansion- Card Cage	94
Removing the Expansion-Card Cage	94
Replacing the Expansion-Card Cage	95
Rotating the Power Supply Away From the System Board	96
Installing System Board Options	97
Expansion Cards	98
Expansion Slots	99
Installing an Expansion Card	100
Removing an Expansion Card	102
Adding Memory	103
Performing a Memory Upgrade	105
Installing a DIMM	106
Removing a DIMM	107
Adding Video Memory (OptiPlex GX1 Only)	107
Upgrading the Microprocessor	109
Replacing the System Battery	111
Installing Drives	115
Removing and Replacing Front-Panel Inserts	116
Connecting Drives	117
Installing a Drive in a 5.25-Inch Drive Bay	119
Installing an EIDE Hard-Disk Drive	124
EIDE Drive Addressing	124
Installing an EIDE Hard-Disk Drive in the Hard-Disk Drive Bracket	124
Partitioning and Logically Formatting Your EIDE Hard-Disk Drive	128
Installing SCSI Devices	129
SCSI Configuration Guidelines	129
SCSI ID Numbers	129
SCSI Cable and SCSI Termination	129
General Procedure for Installing SCSI Devices	130
Partitioning and Formatting SCSI Hard-Disk Drives	133
Technical Specifications	135
ISA Configuration Utility Messages	141
ICU Error Messages	141
Configuration Manager Messages	146
Regulatory Notices	151
FCC Notices (U.S. Only)	152
Class A	153
Class B	153
IC Notice (Canada Only)	153
CE Notice (European Union)	154
EN 55022 Compliance (Czech Republic Only)	155
VCCI Notice (Japan Only)	155
Class A ITE	155
Class B ITE	156
MOC Notice (South Korea Only)	156
Class A Device	156
Class B Device	157
Polish Center for Testing and Certification Notice	157
Wymagania Polskiego Centrum BadaÒ i Certyfikacji	158
Pozosta³e instrukcje bezpieczeÒstwa	158
NOM Information (Mexico Only)	159
Información para NOM (únicamente para México)	160
Warranty, Return Policy, and Year 2000 Statement of Compliance	161
Limited Three-Year Warranty (U.S. and Canada Only)	161
Coverage During Year One	161
Coverage During Years Two and Three	162
General Provisions	162
Total Satisfaction” Return Policy (U.S. and Canada Only)	163
Year 2000 Statement of Compliance for Dell-Branded Hardware Products	164
Previous Products	164
Software	165
Additional Information	165

Match case Limit results 1 per page

4-4

Dell OptiPlex GX1 and GX1p Midsize Managed PC Systems Reference and Installation Guide

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Your computer’s NIC connector (an RJ45 connector located on the back panel) is

designed for attaching an unshielded twisted pair (UTP) Ethernet cable. Press one end

of the UTP cable into the NIC connector until the cable snaps securely into place.

Connect the other end of the cable to an RJ45 jack wall plate or to an RJ45 port on a

UTP concentrator or hub, depending on your network configuration. Observe the fol-

lowing cabling restrictions for 10BASE-T and 100BASE-TX networks.

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For 10BASE-T networks, use Category 3 or greater wiring and connectors.

For 100BASE-TX networks, use Category 5 wiring and connectors.

The maximum cable run length (from a workstation to a concentrator) is 328 feet

(ft) (100 meters [m]).

The maximum number of workstations (not counting concentrators) on a net-

work is 1024.

For 10BASE-T networks, the maximum number of daisy-chained concentrators

on one network segment is four.

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If your system is connected to a network, verify the following network protocol

settings:

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See your network administrator if you need more information on which frame

type to select.

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The 3Com EtherDisk XL version 3.01 diskettes provided by Dell are compatible with

the 3C905 family of NICs. If you purchased a 3Com 3C905-based NIC separately, do

not attempt to use the 3Com EtherDisk XL diskettes that came with the NIC. Use

only the 3Com EtherDisk XL version 3.01 diskettes that were provided by Dell.