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    Information regarding recent vulnerabilities

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HP Compaq dc7700 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 dc7700 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
256 MB, 667 MHz, CL=5, PC2-5300 DDR2-SDRAM DIMM memory
396519-001 (Modified)
Yes
512 MB, 667 MHz, CL=5, PC2-5300 DDR2-SDRAM DIMM memory
396520-001 (Modified)
Yes
1.0 GB, 667 MHz, CL=5, PC2-5300 DDR2-SDRAM DIMM memory
398038-001 (Modified)
Yes
256 MB, 800 MHz, CL=6, PC2-6400 DDR2-SDRAM DIMM memory
418953-001 (Original)
Yes
512 MB, 800 MHz, CL=6, PC2-6400 DDR2-SDRAM DIMM memory
418952-001 (Modified)
Yes
1.0 GB, 800 MHz, CL=6, PC2-6400 DDR2-SDRAM DIMM memory
418951-001 (Modified)
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 labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled 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.
Right-click on the video link above 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 PC2-5300 (DDR2 667 and 800) 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.
    DIMMs do not have to be installed in pairs although installation of pairs (an equal DIMM for each channel) provides the best performance. The BIOS will detect the DIMM population and set the system accordingly.
    If you are replacing a memory module with an identical module (a DIMM of the same type and size), put the new module in the same socket as the old one.
  2. Push down and out on the memory socket latches to release the memory module.
  3. 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. Align the notch on the memory module with the key on the memory socket.
  3. Push the module down firmly into the socket until the memory socket latches snap into place.
  4. Ensure that the module is fully inserted and properly seated in the socket.

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