Sun Fire X2250 Server
 

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In this Document

Goal

Solution

Oracle Confidential PARTNER - Available to partners (SUN).
Reason: FRU CAP

Applies to:

Goal

How to Replace a Sun Fire X2250 CPU.

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE ENGINEER NEED:(IS A SITE ENGINEER AVAILABLE?)
Nothing beyond basic partner training to be qualified as a Sun Service Delivery Partner.

TIME ESTIMATE: 60 minutes

FIELD ENGINEER INSTRUCTIONS

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY? :

The customer should conduct an orderly software and system shutdown.
System power off is required.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

1. Power off the system and remove the cover.
2. Unfasten the four screws securing the heatsink to the board.
3. Twist the heatsink slightly to the right or left to break the seal with the thermal grease.
4. Lift the heatsink away from the CPU.
5. Place the heatsink upside-down on a flat surface to prevent the thermal grease from contaminating other components.
6. Pull the socket release lever up to the fully open, perpendicular position.
7. Open the CPU cover.
8. Lift the CPU out of the socket, leaving the release lever in the open position.

INSTALLING A REPLACEMENT CPU
9. Unpack the new CPU.
10. Ensure that the socket release lever is in the fully open, perpendicular position and the CPU cover is open.
11. Align the small triangle, on the upper left corner of the CPU, with the triangle on the corner of the socket.
12. Insert the CPU into the socket.
13. When the CPU is fully seated in the socket, close the CPU cover.
14. Rotate the socket release lever down until it snaps into place, securing the CPU in the socket.
15. Use the entire syringe contents to apply thermal grease in a circular pattern to the top of the CPU.
16. Gently distribute the thermal grease and remove any excess so that only an extremely thin, uniform layer remains. If any voids or crevices appear that could lead to air pockets, reapply the grease until you achieve a thin but compact consistency.
17. Use an alcohol pad to remove all thermal grease from the bottom of the heatsink.
18. Inspect the heatsink for dust and lint. Clean if necessary.
19. Carefully position the heatsink on the CPU, aligning it with the mounting posts to reduce movement after it makes initial contact with the layer of thermal grease.
20. Fasten the four screws attaching the heatsink to the motherboard. Alternate between the four screws, turning each screw two turns until all are securely fastened.
21. Reinstall the cover.

INSTALLING A NEW CPU
9. Unpack the new CPU.
10. If you are installing a second CPU into a formerly single-CPU system, you will need to remove the socket cover before installing the new CPU.
11. Ensure that the socket release lever is in the fully open, perpendicular position and the CPU cover is open.
12. Align the small triangle, on the top left corner of the CPU, with the triangle on the corner of the socket.
13. Insert the CPU into the socket.
14. When the CPU is fully seated in the socket, close the CPU cover.
15. Rotate the socket release lever down until it snaps into place, securing the CPU in the socket.
16. Inspect the heatsink for dust and lint. Clean if necessary.
17. Carefully position the heatsink on the CPU, aligning it with the mounting posts to reduce movement after it makes initial contact with the layer of thermal grease.
18. Fasten the four screws attaching the heatsink to the motherboard. Alternate between the four screws, turning each screw two turns until all are securely fastened.
19. Reinstall the cover.

OBTAIN CUSTOMER ACCEPTANCE

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:

Apply power to the system.
Once booted, log into the ILOM.
Start the console and monitor the POST and boot process to ensure that the replacement process has been successful.

See chapter 4.5.12 Replacing a CPU and Heatsink (Sun Fire X2250 Server Service Manual)

REFERENCE:
Sun Fire X2250 Server Service Manual
http://download.oracle.com/docs/cd/E19121-01/sf.x2250/820-4593-12/

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