How to replace Sun Fire V120 NVRAM:ATR:1605751.1:0

Asset ID:	1-71-1605751.1
Update Date:	2017-11-30
Keywords:

Solution Type Technical Instruction Sure

Solution 1605751.1 : How to replace Sun Fire V120 NVRAM:ATR:1605751.1:0

Applies to:

Sun Fire V120 Server - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.

Goal

Sun Fire V120, How to replace NVRAM

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS ARE REQUIRED:
No special skills required, Customer Replaceable Unit (CRU) procedure

TASK COMPLEXITY: 0

TIME ESTIMATE: 50 minutes

REMOVAL/REPLACEMENT INSTRUCTIONS

PROBLEM OVERVIEW: NVRAM failure

OBTAIN CUSTOMER ACCEPTANCE

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

A data backup is not a pre-requisite but is a wise precaution.
The customer should conduct an orderly software system shutdown.

WHAT ACTIONS ARE REQUIRED:

Replacing the NVRAM Chip

Caution – The procedure below is for the attention of qualified service engineers only. Before touching or replacing any components inside the server, disconnect all
cables which tell you how to open the system. Always place the system on a grounded ESD pad and wear a properly grounded antistatic wrist strap.

The NVRAM chip on the server’s system board contains a lithium battery that in time may need replacing. If you see the following message on your console when
you boot the server:

Warning -- Real-Time-Clock (and NVRAM) battery is low

Caution – There is a danger of explosion if the NVRAM chip is incorrectly replaced. Replace it only with a component of the same type as the used one (part number
100-6889). To replace the chip, follow any instructions supplied with the new component. Dispose of the used component according to the manufacturer’s
instructions.

The NVRAM chip is located in a carrier between the rear fan subassembly and the DIMM sockets on the system board. To replace it:

1. Make a note of the current settings of the environment parameters diag-switch? and diag-level. You will need these values to carry out Step 5.
To check the setting for diag-switch?, type:

ok printenv diag-switch?

To check the setting for diag-level, type:

ok printenv diag-level

2. Open the server. Make sure all external cables are disconnected and pay particular attention to the information about how to prevent electrostatic discharge from your body from damaging the components of the server.

3. Carefully take the NVRAM chip carrier lengthwise between your thumb and forefinger and pull it out of its socket.

4. Holding the new NVRAM chip carrier in a similar fashion between your thumb and forefinger, position it over the socket and press firmly until the connectors
engage.

3. Carefully take the NVRAM chip carrier lengthwise between your thumb and forefinger and pull it out of its socket.

4. Holding the new NVRAM chip carrier in a similar fashion between your thumb and forefinger, position it over the socket and press firmly until the connectors
engage.

5. When you have reconnected the cables and powered the server on, type the following at the ok prompt, using the values you noted in Step 1:

6. Replace the system cover and tighten the captive screw

ok reset-all
ok setenv diag-switch? noted_value
ok setenv diag-level noted_value
ok reset-all

6. Replace the system cover and tighten the captive screw

WHAT ACTIONS ARE REQUIRED TO RETURN the SYSTEM TO AN OPERATIONAL STATE:

Restart software applications per applicable administration guides to resume system operation.

PARTS NOTE: Include Sun Fire V120 NVRAM:

https://support.oracle.com/handbook_private/Systems/SunFireV120/components.html

ADDITIONAL COMMENTS:

Please refer to the Sun Fire V120 and Netra 120 Server User's Guide: http://docs.oracle.com/cd/E19088-01/v120.srvr/816-2090-10/816-2090-10.pdf

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