Sun Fire X4240 Server
 

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In this Document

Goal

Solution

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

Applies to:

Goal

How to Replace a Sun Fire X4240 Power Supply Backplane.

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?:
Sun Fire X4240 Training

TIME ESTIMATE: 60 minutes

TASK COMPLEXITY: 1

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: A Sun Fire X4240 Power Supply Backplane needs replacement

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

In the Sun Fire X4240, the power supply backplane carries 12V power to the power distribution board.

Note - FRU: This field-replaceable unit should be replaced only by qualified service technicians. Contact your Sun Service representative for assistance.

Caution - The system supplies power to the power supply backplane even when the server is powered off. To avoid personal injury or damage to the server, you must disconnect power cords before servicing the power supply backplane.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

Removing the power supply backlane

1. Remove the motherboard assembly.

2. Remove all power supplies.

Grasp the power supply handle and press the release latch.

3. Remove the power distribution board.

4. Unscrew the 4 screws that secure the L shaped bus bars to the PSU backplane and the PDB.

5. Remove the No. 2 Phillips screw securing the power supply backplane to the power supply bay.

6. Lift the power supply backplane up and off its mushroom standoffs, and out of the system.

7. Place the power supply backplane on an antistatic mat.

Installing the power supply backlane

1. Mount the power supply backplane to the front of the power supply bay.

Place the backplane over its mushroom standoffs and press down toward the floor of the chassis.

2. Secure the power supply backplane with one No. 2 Phillips screw.

3. Install the power distribution board.

4. Install all power supplies.

Slide each power supply into its bay until it locks into place.

5. Install the motherboard assembly.

OBTAIN CUSTOMER ACCEPTANCE

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

PARTS NOTE:

N/A

REFERENCE INFORMATION:

Sun Fire X4240 Server Service Manual
http://download.oracle.com/docs/cd/E19121-01/sf.x4240/820-3835-14/index.html

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