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Memory

Dell™ OptiPlex™ 760 Service Manual

  Installing Memory Module (s)

  Removing Memory Module (s)

You can increase your computer memory by installing memory modules on the system board.

Your computer supports DDR2 memory. For additional information on the type of memory supported by your computer, see the appropriate specifications for your system in this book.

DDR2 Memory Overview

• When installed in pairs, DDR2 memory modules should be of matched memory size and speed. If the DDR2 memory modules are not installed in matched pairs, the computer will continue to operate, but with a slight reduction in performance. See the label on the upper-right or upper-left corner of the module to determine the module's capacity.
  
  

NOTE: Always install DDR2 memory modules in the order indicated on the system board.

The recommended memory configurations are:

• A pair of matched memory modules installed in DIMM connectors 1 and 2
  
  

or

• A pair of matched memory modules installed in DIMM connectors 1 and 2 and another matched pair installed in DIMM connectors 3 and 4
  
  

CAUTION: Do not install ECC memory modules.

• If you install mixed pairs of PC2-5300 (DDR2 667-MHz) and PC2-6400 (DDR2 800-MHz) memory, the modules function at the speed of the slowest module installed.
  
  
• Be sure to install a single memory module in DIMM connector 1, the connector closest to the processor, before you install modules in any other connector.
  
  

NOTE: The Ultra Small Form Factor supports only DIMM connectors 1 and 2.

.

A

matched pair of modules in DIMM connectors 1 and 2 (white securing clips)

B

matched pair of memory modules in DIMM connectors 3 and 4 (black securing clips)

CAUTION: 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. Otherwise, your computer may not start properly. You should install your original memory modules in pairs either in DIMM connectors 1 and 2 or DIMM connectors 3 and 4.

NOTE: Memory purchased from Dell is covered under your computer warranty.

Addressing Memory Configurations

If you are using a 32-bit operating system such as Microsoft^® Windows® Vista®, your computer will support a maximum of 4 GB of memory. If you are using a 64-bit operating system, your computer will support a maximum of 8 GB (2-GB DIMMs in each of the four slots) of memory.

Installing Memory Module (s)

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis.

1. Follow the procedures in Working on Your Computer.
   
   
2. Remove the computer cover (see "Removing the Computer Cover" for your specific computer).
   
   
3. Press out the securing clip at each end of the memory module connector.
   
   

1	memory connector closest to processor	2	securing clips (2)
3	memory connector

4. Align the notch on the bottom of the module with the crossbar in the connector.
   
   

1	cutouts (2)	2	memory module
3	notch	4	crossbar

CAUTION: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module.

5. Insert the module into the connector until the module snaps into position.
   
   

If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.

6. Replace the computer cover (see Replacing the Computer Cover).
   
   

CAUTION: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.

7. Connect your computer and devices to electrical outlets, and turn them on.
   
   
8. When the message appears stating that memory size has changed, press <F1> to continue.
   
   
9. Log on to your computer.
   
   
10. Right-click the My Computer icon on your Windows desktop and click Properties.
    
    
11. Click the General tab.
    
    
12. To verify that the memory is installed correctly, check the amount of memory (RAM) listed.
    
    

Removing Memory Module (s)

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis.

1. Follow the procedures in Working on Your Computer.
   
   
2. Remove the computer cover (see "Removing the Computer Cover" for your specific computer).
   
   
3. Press out the securing clip at each end of the memory module connector.
   
   
4. Grasp the module and pull up.
   
   

If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.

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