Central Processing Unit (CPU) Replacement

Written By: Dozuki System (and one other contributor)
  • Comments: 2
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Difficulty

Moderate

Steps

27

Time Required

Suggest a time??

Sections

1

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0

Introduction

This guide demonstrates how to replace a central processing unit (CPU) in an Open Compute V3 server. == Acronyms and Terms == * CPU - Central Processing Unit * SFP+ - Enhanced Small Form-factor Pluggable; a type of hot-plug transceiver

  1. The server can be powered off remotely or on the hardware itself.

    • The server can be powered off remotely or on the hardware itself.

    • Remote Power Down: Login to the server to power it off.

    • shutdown -h now;exit

    • Hardware Power Down: Press and hold the power switch for at least three seconds, as annotated.

    Edit

  2. Disconnect the Ethernet cable from the server. Press the tab on the end of the cable to release it. Press the tab on the end of the cable to release it.

    • Disconnect the Ethernet cable from the server.

    • Press the tab on the end of the cable to release it.

    Edit

  3. Disconnect the 10G SFP+ cable from the network interface controller. Use the pull-tab to disconnect the cable.

    • Disconnect the 10G SFP+ cable from the network interface controller.

    • Use the pull-tab to disconnect the cable.

    Edit

  4. Grasp the server as shown. Pull the retention plunger upwards. Begin sliding the server out of the rack.

    • Grasp the server as shown.

    • Pull the retention plunger upwards.

    • Begin sliding the server out of the rack.

    Edit

  5. Counter the weight of the server, as shown.

    • Counter the weight of the server, as shown.

    • Completely remove the server from the rack.

    Edit

  6. Engage the server lid, as shown. Push the lid towards the rear of the server. Lift the cover.

    • Engage the server lid, as shown.

    • Push the lid towards the rear of the server.

    • Lift the cover.

    Edit

  7. The heatsink may be hot. Loosen four screws. Select screws in a diagonal fashion. To loosen, use about two screwdriver rotations.

    • The heatsink may be hot.

    • Loosen four screws. Select screws in a diagonal fashion.

    • To loosen, use about two screwdriver rotations.

    Edit

  8. Continue to unscrew the screws holding the heat sink to the CPU until you can remove it. Continue to unscrew the screws holding the heat sink to the CPU until you can remove it.

    • Continue to unscrew the screws holding the heat sink to the CPU until you can remove it.

    Edit

  9. Grab the heatsink as shown. Lift the heatsink off the CPU. Lift the heatsink off the CPU.

    • Grab the heatsink as shown.

    • Lift the heatsink off the CPU.

    Edit

  10. Grab the right CPU socket retention lever, as shown. Press the lever down and away from the CPU. The CPU socket retention lever is spring loaded. Keep pressure on the lever as it lifts.

    • Grab the right CPU socket retention lever, as shown.

    • Press the lever down and away from the CPU.

    • The CPU socket retention lever is spring loaded. Keep pressure on the lever as it lifts.

    Edit

  11. Release the left lever. Release the left lever. Release the left lever.

    • Release the left lever.

    Edit

  12. Engage the CPU retention housing, as shown. Engage the CPU retention housing, as shown. Engage the CPU retention housing, as shown.

    • Engage the CPU retention housing, as shown.

    Edit

  13. Grab the CPU, as shown. Lift the CPU. Lift the CPU.

    • Grab the CPU, as shown.

    • Lift the CPU.

    Edit

  14. Obtain an isopropyl alcohol cloth. Hold the CPU by its edges. The CPU may have a blue shroud. If so, hold it by the shroud.

    • Obtain an isopropyl alcohol cloth.

    • Hold the CPU by its edges.

    • The CPU may have a blue shroud. If so, hold it by the shroud.

    Edit

  15. Continue wiping the CPU with the alcohol-soaked cloth to remove the thermal compound. Multiple passes may be needed to completely remove all of the thermal compound. Multiple passes may be needed to completely remove all of the thermal compound.

    • Continue wiping the CPU with the alcohol-soaked cloth to remove the thermal compound.

    • Multiple passes may be needed to completely remove all of the thermal compound.

    Edit

  16. Obtain a heatsink stencil. Seat the stencil on the bottom of the heatsink (as shown). Seating the stencil may require some force.

    • Obtain a heatsink stencil.

    • Seat the stencil on the bottom of the heatsink (as shown).

    • Seating the stencil may require some force.

    Edit

  17. Apply thermal compound, as shown. Apply thermal compound, as shown. Apply thermal compound, as shown.

    • Apply thermal compound, as shown.

    Edit

  18. Lift the stencil off of the heatsink. The stencil may require some force to lift. The stencil may require some force to lift.

    • Lift the stencil off of the heatsink.

    • The stencil may require some force to lift.

    Edit

  19. Align the arrow printed on the CPU so that it matches the arrow on the CPU socket gate. Place CPU in socket, and close the socket gate.

    • Align the arrow printed on the CPU so that it matches the arrow on the CPU socket gate.

    • Place CPU in socket, and close the socket gate.

    • Socket gate close process is opposite of removal.

    Edit

  20. Lower heatsink onto the CPU.

    • Lower heatsink onto the CPU.

    • Visually align the heatsink while lowering.

    Edit

  21. Tighten (4) screws. This process is opposite of removing the heatsink.

    • Tighten (4) screws.

    • This process is opposite of removing the heatsink.

    • It is necessary to apply pressure to the heatsink while tightening (4) screws.

    • Further installation process is opposite of removal.

    Edit

  22. Install the lid on the server.

    • Install the lid on the server.

    • The installation process is opposite of the removal process.

    Edit

  23. Slide the server back into the rack.

    • Slide the server back into the rack.

    • Lift the green retention pin to clear the chassis.

    • Connect all previously disconnected peripheral cables.

    • Slide the server until the green retention pin snaps downwards, locking the server.

    • Press the power button.

    Edit

  24. Slide the server into the rack. The retention plunger does not need to be pulled upward during installation.

    • Slide the server into the rack.

    • The retention plunger does not need to be pulled upward during installation.

    • The server is secure when the retention plunger snaps shut.

    Edit

  25. Connect the 10G SFP+ cable into the network interface controller. Connect the 10G SFP+ cable into the network interface controller.

    • Connect the 10G SFP+ cable into the network interface controller.

    Edit

  26. Connect the Ethernet cable to the server. Connect the Ethernet cable to the server.

    • Connect the Ethernet cable to the server.

    Edit

  27. Press the power button.

    • Press the power button.

    Edit
Conclusion

This work is licensed under a Creative Commons Attribution 4.0 International License.

Author

with 1 other contributor

Dozuki System

Member since: 09/24/2009

1 Reputation

142 Guides authored

2 Comments

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