Sun Ultra 20 Workstation
 

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In this Document

Goal

Solution

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

Applies to:

Goal

How to remove and replace an Ultra 20 Workstation Motherboard.

Solution

DISPATCH INSTRUCTIONS
- WHAT SKILLS DOES THE ENGINEER NEED:
- TIME ESTIMATE:15 minutes
- TASK COMPLEXITY: 1

FIELD ENGINEER INSTRUCTIONS:
- PROBLEM OVERVIEW: How to remove and install the Sun Ultra 20 Workstation system motherboard

- 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.

Then power down the system and disconnect the Power Cord.

- WHAT ACTION DOES THE ENGINEER NEED TO TAKE:
Removing the Motherboard
To remove the motherboard:

1. Turn off the power button on the back panel and all of the peripherals connected to the workstation.
2. Remove the left-side access panel.
3. Gently lay the system on its right side on a stable, nonslip surface.
4. Remove any PCI cards installed on the motherboard (see Section 4.5.5, Replacing a PCI or Graphics Card).
5. Disconnect all cables attached to the motherboard.
6. Remove the eight Phillips screws that fasten the motherboard to the chassis

Note - Do not remove the four screws that secure the CPU heatsink/fan assembly mounting to the motherboard.

7. Pull the motherboard away from the chassis.

Installing the Motherboard
Caution - Observe proper ESD precautions when handling the new motherboard.

1. Replace the CPU or DIMMs as necessary.
Refer to the following sections for information about removing and replacing the CPU and memory:
Section 4.5.11, Replacing a CPU
Section 4.5.4, Replacing or Adding DIMMs
2. Center the motherboard on the chassis so that the screw holes in the motherboard align with the screw holes on the chassis.
3. Secure the eight Phillips screws that fasten the motherboard to the chassis. Torque the screws to 8- to 9-inch pounds
4. Replace any PCI or graphics cards.
See Section 4.5.5, Replacing a PCI or Graphics Card.
5. Reconnect all internal system cables.
See Section 4.5.10, Replacing System Cables.
6. Replace the system cover.
7. Replace any external cables, and power on the workstation.

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

PARTS NOTE:
https://support.us.oracle.com/handbook_internal/Systems/Ultra20/components.html

REFERENCE
Section 4.5.12 Replacing the Motherboard
Section 4.5.11, Replacing a CPU
Section 4.5.4, Replacing or Adding DIMMs

Sun Ultra 20 Workstation User Guide
http://download.oracle.com/docs/cd/E19127-01/ultra20.ws/819-2146-13/index.html

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