Sun Ultra 5 Workstation
 

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In this Document

Goal

Fix

Oracle Confidential INTERNAL - Do not distribute to customer (OracleConfidential).
Reason: Ultra 5 Memory Dimms are FRU's so internal

Applies to:

Goal

 How to Remove and Replace an Ultra 5 Workstation Memory Dimm

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please Add a Comment on Doc ID: 1526972.1
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Fix

DISPATCH INSTRUCTIONS WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?:

Ultra 5 Workstation product training is desirable but not required

TIME ESTIMATE: 30 mins

TASK COMPLEXITY: 1

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: Memory Failure/Fault

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 ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE?:

Memory DIMM

To remove and replace a DIMM, proceed as follows.

Caution – DIMMs consist of electronic components that are extremely sensitive to
static electricity. Ordinary amounts of static electricity from clothing or work
environment can destroy the DIMM.

Caution – When removing a DIMM, an identical replacement is required. The
replacement DIMM must be inserted into the same socket as the removed DIMM.

Caution – Each DIMM bank must contain 2 DIMMs of equal density (for example,
two 32-Mbyte DIMMs) to function properly. Do not mix DIMM capacities in any
bank. For best system performance, install 4 identical DIMMs in the 2 banks.

Bank   Slot Pairs
0        DIMM1 and DIMM2
1        DIMM3 and DIMM4

Removing a DIMM

Caution – Handle DIMMs only by the edges. Do not touch the DIMM components
or metal parts. Always wear a grounding strap when handling a DIMM.

1. Power off the system, remove the system cover, and attach an antistatic wrist strap.

Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.

2. Remove the diskette drive to provide clearance.

3. Locate the DIMM to be removed.

4. Push the ejection levers away from the DIMM

5. Remove the DIMM from the motherboard connector.

6. Place the DIMM on an antistatic mat.

Replacing a DIMM

Caution – Do not remove any DIMM from the antistatic container until you are
ready to install it on the motherboard. Handle DIMMs only by their edges. Do not
touch DIMM components or metal parts. Always wear a grounding strap when
handling DIMMs.

1. Remove the DIMM from the antistatic container.

2. Install the DIMM as follows:

Caution – The system must have two identical DIMMs installed in a bank. For best
system performance, install four identical DIMMs in the two banks.

a. Position the DIMM in the connector, ensuring that the notches on the bottom
of the DIMM are aligned with the connector alignment bumps.

Note – Bottom DIMM notches and connector alignment bumps are keyed to ensure
proper DIMM orientation.

Caution – If the DIMM is not seated into its slot evenly, it can cause shorts that will
damage the system. Ensure that all contacts engage at the same time by pressing
evenly on the top corners of the DIMM—do not rock the DIMM into place.
A clicking sound is heard when the DIMM is properly seated.

b. Press firmly on the DIMM top until the DIMM is properly seated.

3. Verify the ejection levers are closed toward the DIMM.

4. Detach the wrist strap, replace the system cover, and power on the system

OBTAIN CUSTOMER ACCEPTANCE WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE TO
RETURN THE SYSTEM TO AN OPERATIONAL STATE:

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

PARTS NOTE:

https://support.us.oracle.com/handbook_internal/Systems/U5/components.html#Memory

https://support.oracle.com/handbook_private/Systems/U5/components.html#Memory

REFERENCE INFORMATION:

Sun Ultra 5 Service Manual (805-7763-12): http://docs.oracle.com/cd/E19127-01/ultra5.ws/index.html

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