Sun Microsystems Ultra 25 - User Manual

Sun Microsystems, Inc.
www.sun.com
Submit comments about this document at: http://www.sun.com/hwdocs/feedback
Sun Ultra
TM
45 and Ultra 25
Workstations Service and
Diagnostics Manual
Part No. 819-1892-12
May 2006, Revision A

Sun Microsystems Ultra 25 Specifications

General

Processor	UltraSPARC IIIi
Operating System	Solaris, Linux
Form Factor	Tower
Graphics	ATI FireGL V3100
Network	Gigabit Ethernet
Ports	2 x Serial, 1 x Parallel
Optical Drive	DVD-ROM

Summary

1. Product Description

1.1 Product Overview

2. Preparing to Replace Components

2.1 Safety Information

Provides essential safety precautions, symbols, and ESD guidelines for workstation servicing.

2.2 Required Tools

Lists the essential tools needed for servicing the Sun Ultra 45 or Ultra 25 workstations.

2.3 Powering Off the Workstation

Step-by-step guide to safely shut down the workstation before component replacement.

3. Replacing the Motherboard and Associated Components

3.2 Replacing the DIMMs

Detailed instructions for removing and installing memory modules (DIMMs).

4. Replacing Storage Devices

4.1 Replacing a Hard Drive

Step-by-step instructions for removing and installing hard drives in the workstation.

4.2 Replacing the Hard Drive Backplane and Cables

4.3 Replacing the I;O Module With the DVD-Dual Drive and Audio USB Board

Guide to removing and installing the I/O module, including DVD-dual drive and audio USB board.

5. Replacing Chassis Components

5.1 Replacing the Fan Tray and Fan Tray Backplane

5.2 Replacing the Power Supply

Detailed steps for removing and installing the workstation's power supply unit.

6. Finishing Component Replacement

6.1 Reassembling the Workstation

6.2 Verifying Component Installation

Methods for confirming that newly installed components are correctly recognized by the system.

9. Solaris 10 Predictive Self-Healing and Solaris Diagnostics

9.1 Predictive Self-Healing Overview

9.3 Using the Predictive Self-Healing Commands

10. NVRAM

10.1 Obtaining the ok Prompt

10.2 Changing NVRAM Configuration Parameter Values

11. Power-On Self-Test

11.1 POST Overview

Explanation of Power-On Self-Test (POST) and its role in checking core workstation components.

11.2 post Command

12. OpenBoot PROM

12.1 OpenBoot PROM Overview

12.3 OpenBoot Diagnostics

Guide to starting and running OpenBoot Diagnostics for testing motherboard components and interfaces.

13. SunVTS

13.1 SunVTS Overview

13.2 Installing SunVTS