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Memory
Dell™OptiPlex™GX270SystemsUser'sGuide
Memory Installation Guidelines
For information on the type of memory supported by your computer, look under "Memory" in the Technical Specifications section.
DDR Memory Overview
DDR memory modules should be installed in pairs of matched memory size, speed, and technology. If the DDR memory modules are not installed in matched
pairs, the computer will continue to operate, but with a slight reduction in performance.
The recommended memory configurations are:
l A memory module installed in connector DIMM_1
or
l A pair of matched memory modules installed in connectors DIMM_1 and DIMM_2
or
l A pair of matched memory modules installed in connectors DIMM_1 and DIMM_2 and another matched pair installed in connectors DIMM_3 and DIMM_4
l If you install mixed pairs of PC2700 (DDR 333-MHz) and PC3200 (DDR 400-MHz) memory, the modules function at the slowest speed installed.
l Be sure to install a single memory module in DIMM_1, the connector closest to the processor, before you install modules in the other connectors.
l The actual speed of the SDRAM memory channel will depend on the speed of the processor's front side bus.
Installing Memory in the Small Desktop and Small Mini-Tower Computers
NOTICE: Before you install new memory modules, download the most recent BIOS for your computer from the Dell Support website at
support.dell.com.
NOTE: Always install DDR memory modules in the order indicated on the system board.
NOTICE: Do not install ECC memory modules.
A
matched pair of memory modules in connectors
DIMM_1 and DIMM_2 (white securing clips)
B
matched pair of memory modules in connectors
DIMM_3 and DIMM_4 (black securing clips)
NOTE: The small form-factor computer has two memory module connectors: DIMM_1 (channel A) and DIMM_2 (channel B).
NOTE: Memory purchased from Dell is covered under your computer warranty.
NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that
you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.
- Abbreviations and Acronyms 2
- Advanced Troubleshooting 3
- Reinstalling Drivers 4
- Windows 2000 5
- Creating a Restore Point 6
- Before You Reinstall 6
- Reinstalling Windows XP 7
- Microsoft Windows XP 8
- Advanced Features 10
- Security 11
- Password Protection 11
- Assigning a System Password 12
- Typing Your System Password 12
- Setup Password 13
- System Setup 14
- Boot Sequence 15
- System Setup Options 16
- Booting to a USB Device 18
- Jumper Settings 18
- Power Button 19
- Hyper-Threading 19
- Power Management 20
- Battery 21
- Cleaning Your Computer 23
- Closing the Computer Cover 24
- Ergonomic Computing Habits 25
- Back to Contents Page 26
- Operating System CD 28
- Getting Help 29
- AutoTech Service 30
- Problems With Your Order 31
- Product Information 31
- Before You Call 31
- Contacting Dell 32
- Glossary 40
- DDR Memory Overview 47
- Installing Memory 48
- Removing Memory 50
- Regulatory Notices 51
- IC Notice (Canada Only) 52
- CE Notice (European Union) 52
- ENERGY STAR®Compliance 52
- VCCI Notice (Japan Only) 53
- Class A Device 54
- Class B Device 54
- BSMI Notice (Taiwan Only) 55
- SAFETY: General 57
- SAFETY: Battery Disposal 59
- PCI Cards 101
- Removing a PCI Card 103
- Serial Port Adapters 104
- Opening the Computer Cover 106
- Connecting Drive Cables 107
- Drive Interface Connectors 108
- Power Cable Connector 108
- Hard Drive 109
- Removing a Hard Drive 110
- Installing a Hard Drive 110
- Front-Panel Inserts 112
- Floppy Drive 112
- Removing a Floppy Drive 113
- Installing a Floppy Drive 114
- CD/DVD Drive 115
- Installing a CD/DVD Drive 116
- Cable Routing 117
- Microprocessor 119
- About Your Computer 124
- Back View 125
- Inside Your Computer 126
- System Board Components 127
- AGP and DVI Adapter Cards 129
- Adding a Second Hard Drive 142
- Removing a CD/DVD Drive 148
- Solving Problems 156
- Beep Codes 157
- System Lights 158
- Battery Problems 158
- Card Problems 158
- Drive Problems 159
- CD drive problems 160
- DVD drive problems 160
- Hard drive problems 160
- Dropped or Damaged Computer 161
- Error Messages 161
- General Problems 163
- A solid blue screen appears 164
- Other software problems 164
- Other technical problems 164
- General hardware problems 164
- Keyboard Problems 165
- Memory Problems 165
- Mouse Problems 165
- Network Problems 166
- Power Problems 166
- Printer Problems 167
- Sound and Speaker Problems 168
- System Board Problems 168
- Video and Monitor Problems 169
- Specifications 171
- May20048Y945Rev.A02 175
- Warranty and Return Policy 176
- Adding User Accounts 177
- Fast User Switching 178
- Network Setup Wizard 178
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