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6-8 Dell OptiPlex GX
i
Midsize Systems Reference and Installation Guide
To remove the chip, pull the microprocessor-socket
release lever straight up until the chip is released (see
Figure 6-10). Then lift the chip out of the socket.
Leave the release lever up so that the socket is ready
for the new microprocessor.
Figure 6-10. Removing the Microprocessor
6. Unpack the new microprocessor.
If any of the pins on the chip appear to be bent, see
the chapter titled “Getting Help” in your Diagnostics
and Troubleshooting Guide for instructions on obtaining
technical assistance.
7. Align the pin-1 corner of the microprocessor chip
(see Figure 6-11) with the pin-1 corner of the
microprocessor socket (see Figure 6-12).
NOTE: Identifying the pin-1 corners is critical to
positioning the chip correctly.
Identify the pin-1 corner of the microprocessor by
turning the chip over and locating the tiny gold fin-
ger that extends from one corner of the large central
rectangular area. The gold finger points toward
pin 1, which is also uniquely identified by a square
pad.
Figure 6-11. Pin-1 Identification
The pin-1 corner of the socket is the corner to your
left and closest to the front of the chassis as you face
the front of the computer (see Figure 6-1).
8. Install the microprocessor chip in the socket (see
Figure 6-12).
If the release lever on the microprocessor socket is
not all the way up, move it to that position now.
With the pin-1 corners of the chip and socket
aligned, align the pins on the chip with the holes in
the socket. Set the chip lightly in the socket and
make sure all pins are headed into the correct holes.
Because your system uses a ZIF microprocessor
socket, there is no need to use force (which could
bend the pins if the chip is misaligned). When the
chip is positioned correctly, it should drop down into
the socket with minimal pressure.
CAUTION: Be careful not to bend any of the
pins when unpacking the microprocessor.
Bending the pins can permanently damage the
microprocessor.
microprocessor chip
microprocessor
socket
release lever
CAUTION: Positioning the microprocessor
chip incorrectly in the socket can permanently
damage the chip and the computer when you
turn on the system.
CAUTION: When placing the microprocessor
chip in the socket, be sure that all of the pins go
into the corresponding holes on all sides of the
socket. Be careful not to bend the pins.
pin-1 corner (gold finger
and square pad)
- 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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