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5-4 Dell OptiPlex GX
i
Midsize Systems Reference and Installation Guide
Inside Your Computer
Figure 5-5 shows an overhead view of your computer to
help you orient yourself when installing hardware
options. Unless otherwise specified, locations or direc-
tions relative to the computer are as shown.
Figure 5-5. Computer Orientation View
Figure 5-6 shows your computer with its cover removed. Refer
to this illustration to locate interior features and components dis-
cussed in this guide.
When you look inside your computer, note the direct
current (DC) power cables coming from the power sup-
ply. These cables supply power to the system board; to
internal diskette drives, hard-disk drives, and tape drives;
and to certain expansion cards that connect to external
peripherals.
The flat ribbon cable in Figure 5-6 is typical of the interface
cables for internal drives. An interface cable connects a drive to
a connector on the system board or on an expansion card.
The system board—the large printed circuit board at the
bottom of the chassis—holds the computer’s control
circuitry and other electronic components. Some hard-
ware options are installed directly onto the system board.
During an installation procedure, you may be required to
change a jumper setting on the system board and/or a jumper
or switch setting on an expansion card or on a drive. Jumpers
and switches provide a convenient and reversible way of
reconfiguring the circuitry on a printed circuit board. For
information on jumpers and switches, see the two subsec-
tions, “Jumpers” and “Switches” found in the next
subsections.
Jumpers
A jumper is referred to as open or unjumpered when the
plug is pushed down over only one pin or if there is no
plug at all. When the plug is pushed down over two pins,
the jumper is referred to as jumpered. The jumper setting
is often shown in text as two numbers, such as 1-2. The
number 1 is printed on the circuit board so that you can
identify each pin number based on the location of pin 1.
Figure 5-7 shows the location and default settings of the
jumper blocks on your system board. See Table 5-1 for
the designations, default settings, and functions of your
system’s jumpers.
right
side
left
side
front of computer
drive
cage
power
supply
internal
drive
bracket
expansion-
card cage
back of computer
system
board
CAUTION: Make sure your system is turned off
before you change a jumper setting. Otherwise,
damage to your system or unpredictable results
may occur.
Jumpers are small blocks on a circuit
board with two or more pins
emerging from them.
Plastic plugs containing a wire fit
down over the pins. The wire connects
the pins and creates a circuit.
To change a jumper setting, pull the plug
off its pin(s) and carefully fit it down onto
the pin(s) indicated.
- OptiPlex 1
- GXi Midsize Systems 1
- Safety Instructions 5
- About This Guide 9
- Warranty and Return Policy 9
- Other Documents You May Need 10
- Notational Conventions 10
- No boot device available 11
- Contents 13
- Chapter 3 14
- Chapter 4 15
- Appendix D 18
- Introduction 25
- System Features 25
- Using the Floor Stand 27
- Energy Star Compliance 28
- Important Note to Windows 95 29
- Accessing Online 29
- • Connecting external devices 30
- • Maintaining the system 30
- • Contacting Dell 30
- 30
- Entering the System Setup 31
- System Setup Screens 32
- System Setup Categories 34
- EIDE Devices 35
- If You Have a Problem 35
- Base Memory 35
- • NONE (the default option) 36
- • 15M - 16M 36
- • ENABLED 36
- • DISABLED BY JUMPER 36
- Boot Sequence 37
- Setup Password 37
- Auto Power On 37
- Power Management 37
- Saving Monitor Power 37
- Serial Port 38
- Assigning a System Password 40
- Your System 41
- Using the Setup Password 42
- Password 43
- Responding to Error Messages 44
- Quick Start 45
- About the ICU 46
- When to Run the ICU 46
- Preparing to Use the ICU 47
- Starting the ICU 47
- Adding a Listed Card 48
- Adding an Unlisted Card 50
- Modifying a Card 51
- RUPT (IRQ) 52
- AVAILABLE 52
- RESOURCES 52
- Viewing Resources 53
- Exiting From the ICU 54
- Advanced Features of the ICU 54
- Resources 55
- Using Integrated Devices 57
- Video Controller 57
- Audio Controller 57
- 4-2 Dell OptiPlex GX 58
- Connecting to a Network 59
- Configuring the NIC 59
- Microsoft Windows NT 3.5 60
- Client Driver 60
- Microsoft Windows 3 61
- MS-DOS Client Driver 61
- Environments 62
- OS/2 Client Driver 62
- Updating NDIS 2.01 Drivers 63
- 4-8 Dell OptiPlex GX 64
- Working Inside Your Computer 65
- Before You Begin 65
- Removing the Computer Cover 66
- Replacing the Computer Cover 67
- Inside Your Computer 68
- Switches 69
- 5-6 Dell OptiPlex GX 70
- 5-8 Dell OptiPlex GX 72
- System Board Labels 74
- 5-12 Dell OptiPlex GX 76
- Removing and Replacing the 77
- 5-14 Dell OptiPlex GX 78
- Chapter 6 79
- Expansion Cards 80
- Adding Memory 82
- Performing a Memory Upgrade 83
- Installing a DIMM 84
- Removing a DIMM 84
- Upgrading the Microprocessor 85
- 6-8 Dell OptiPlex GX 86
- Replacing the System Battery 88
- BATTERY 89
- 6-12 Dell OptiPlex GX 90
- Installing Drives 91
- Removing and Replacing 91
- 7-2 Dell OptiPlex GX 92
- Connecting Drives 93
- 7-4 Dell OptiPlex GX 94
- Installing Drives 7-5 95
- EIDE Drive Addressing 96
- Hard-Disk Drive Bracket 97
- 1.6-inch drive 98
- Installing Drives 7-9 99
- Installing SCSI Devices 100
- Installing Drives 7-11 101
- 7-12 Dell OptiPlex GX 102
- Hard-Disk Drives 103
- 7-14 Dell OptiPlex GX 104
- Technical Specifications 105
- Continued) 107
- ICU Error Messages 111
- • 4 DMA channels 113
- • 7 IRQ lines 113
- • 9 memory address blocks 113
- • 20 I/O ports 113
- • Modify 114
- • You added an ISA 115
- Configuration Manager 116
- (Continued) 117
- Regulatory Notices 121
- FCC Notices (U.S. Only) 121
- IC Notice (Canada Only) 122
- EN 55022 Compliance (Czech 122
- CE Notice 122
- VCCI Notices (Japan Only) 123
- Korean Regulatory Notice 124
- Wymagania Polskiego Centrum 124
- Pozosta³e instrukcje bez 124
- Regulatory Notices C-5 125
- Warranties and Return Policy 127
- Limited Three-Year Warranty 127
- Coverage During Year One 129
- (U.S. and Canada Only) 130
- Printed in the U.S.A 140
- P/N 50577 140
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