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HP Compaq dc5800 Small Form Factor PC - Removing and Replacing the Memory

Introduction

This document is provided to assist in removing and replacing the Memory for the HP Compaq dc5800 Small Form Factor PC.

Minimum skill level

The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.

Parts required

note:
Part numbers are subject to change.
The replacement part number will vary depending on the Memory that is being replaced. If a part is listed as 'Yes' under 'Requires Return' then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
1.0 GB, PC2-6400 DDR2-SDRAM DIMM memory
418951-001
Yes
512 MB, PC2-6400 DDR2-SDRAM DIMM memory
418952-001
Yes
2.0 GB, PC2-6400 DDR2-SDRAM DIMM memory
457624-001
Yes
note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labeled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labeled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.

Summary of instructions

To view a video demonstrating the procedure for removing the Memory, click on the link below. Or use the product video listing on the HP Services Media Library, then select Memory from the menu on the upper left hand side of the screen.
Click here to view the Memory removal video (right-click on the link to open in a new window/tab).

Memory removal

  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
    note:
    This computer uses unbuffered DDR2 PC2-5300 (667-MHz) and PC2-6400 (800-MHz) DIMMs. There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel B.
    The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
    The system will operate in single channel mode if the DIMM sockets are populated in one channel only. If using only on DIMM, install it in socket XMM1. The system will operate in a higher-performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B. The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. In any mode, the maximum operational speed is determined by the slowest DIMM in the system.
    Refer to the Hardware Reference Guide for HP Compaq Business PC dc5800 Small Form Factor Model (document part number: 460186-001) for more information.
  2. Rotate the drive cage to the up position.
  3. Rotate the power supply to the up position.
  4. Push down and out on the memory socket latches to release the memory module.
  5. Pull the memory module up and out of the socket.

Memory replacement

  1. Ensure that the memory socket latches are pushed out and away from the memory socket.
  2. Match the notch on the memory module with the key on the memory socket.
  3. Push the module down firmly into the socket until the latches snap into place and the module is fully seated.
  4. Rotate the power supply to the down position.
  5. Rotate the drive cage to the down position.

Parts return


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