Preface

Use the Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual to replace Sun Ultra trademark 45 or Ultra 25 workstation components and diagnose workstation problems.

This document is written for technicians, service personnel, and system administrators who service and repair computer systems.

To safely and successfully perform diagnostics on the Sun Ultra 45 and Ultra 25 workstations, you should be able to:

Understand the Solaris Operating System and the command-line interface.

Obtain superuser privileges for the workstation being serviced.

Understand typical hardware troubleshooting tasks.

If you are not comfortable performing any of the procedures described in this document, contact your Sun service representative.

How This Document Is Organized

Chapter 1 provides a product description of the Sun Ultra 45 and Ultra 25 workstations.

Chapter 2 provides preliminary steps necessary to prepare for component replacement.

Chapter 3 provides replacement procedures for components found on the motherboard.

Chapter 4 provides replacement procedures for data storage components.

Chapter 5 provides replacement procedures for chassis components.

Chapter 6 provides procedures to finish component replacement.

Chapter 7 provides an overview of diagnostics tools and procedures.

Chapter 8 provides basic troubleshooting tasks, commands, and system responses.

Chapter 9 provides details on Solaris predictive self-healing diagnostics tools as well as other Solaris diagnostics tools.

Chapter 10 provides information about NVRAM and changing NVRAM settings.

Chapter 11 provides diagnostics information related to power-on self-test (POST),

Chapter 11 describes OpenBoot trademark Diagnostics for the Sun Ultra 45 and Ultra 25 workstations.

Chapter 12 describes the OpenBoot PROM and related tools.

Chapter 13 provides basic SunVTS trademark software information and references to SunVTS documentation.

Appendix A describes how to manage power-saving modes of the Sun Ultra 45 or Ultra 25 workstations.

Appendix B lists the specifications of the Sun Ultra 45 and Ultra 25 workstations.

Appendix C provides a functional description of the Sun Ultra 45 and Ultra 25 workstations.

Using UNIX Commands

This document might not contain information about basic UNIX^® commands and procedures such as shutting down the system, booting the system, and configuring devices. Refer to the following for this information:

Software documentation that you received with your system

Solaris Operating System documentation, which is at:

http://docs.sun.com

Shell Prompts

Shell	Prompt
C shell	machine-name`%`
C shell superuser	machine-name`#`
Bourne shell and Korn shell	`$`
Bourne shell and Korn shell superuser	`#`

Typographic Conventions

Typeface^*	Meaning	Examples
`AaBbCc123`	The names of commands, files, and directories; on-screen computer output	Edit your`.login` file. Use `ls` `-a` to list all files. `% You have mail`.
`AaBbCc123`	What you type, when contrasted with on-screen computer output	`%` `su` `Password:`
AaBbCc123	Document titles, new words or terms, words to be emphasized. Replace command-line variables with real names or values.	Read Chapter 6 in the User's Guide. These are called class options. You must be superuser to do this. To delete a file, type `rm` filename.

Typeface^*

Meaning

Examples

AaBbCc123

The names of commands, files, and directories; on-screen computer output

Edit your.login file.

Use ls -a to list all files.

% You have mail.

AaBbCc123

What you type, when contrasted with on-screen computer output

% su

Password:

AaBbCc123

Document titles, new words or terms, words to be emphasized. Replace command-line variables with real names or values.

Read Chapter 6 in the User's Guide.

These are called class options.

You must be superuser to do this.

To delete a file, type rm filename.

^{* The settings on your browser might differ from these settings.}

Additional Support Resources

TABLE P-1 lists additional resources to assist with your Sun Ultra 45 or Ultra 25 workstation.

TABLE P-1 Additional Support Resources
Sun Ultra 45 and Ultra 25 Support Resources	URL or Telephone Number
Find Solaris and other software documents here. This is also an alternative web site for some Sun Ultra 45 and Ultra 25 documents. This web site has full search capabilities.	`http://docs.sun.com`
Warranty and Contract Support contacts. Links to other service tools.	`http://www.sun.com/service/online/`
Discussion and Troubleshooting Forums.	`http://supportforum.sun.com`
Support, Diagnostic Tools, Alerts, for all Sun products.	`http://www.sun.com/bigadmin/`
SunSolve^sm: Contains links to software patches. Lists some workstation specifications, troubleshooting and maintenance information, and other tools.	`http://www.sunsolve.sun.com/handbook_pub/`
Lists warranties for every Sun product.	`http://www.sun.com/service/support/warranty/`
Sun Service Support phone number.	1-800-872-4786 (1-800-USA-4Sun) Select Option 1
This web site lists international telephone numbers for Sun Service Support.	`http://www.sun.com/service/contacting/index.html`

Note - Access to some Sun proprietary information is restricted to authorized Sun personnel.

Some low-level hardware and software failures require troubleshooting techniques that are beyond the scope of this document, and are best resolved by those persons with experience and skill in fault analysis. Your Sun Microsystems service representative can provide these types of services.

Documentation, Support, and Training

Sun Function	URL
Documentation	`http://www.sun.com/documentation/`
Support	`http://www.sun.com/support/`
Training	`http://www.sun.com/training/`

Third-Party Web Sites

Sun is not responsible for the availability of third-party web sites mentioned in this document. Sun does not endorse and is not responsible or liable for any content, advertising, products, or other materials that are available on or through such sites or resources. Sun will not be responsible or liable for any actual or alleged damage or loss caused by or in connection with the use of or reliance on any such content, goods, or services that are available on or through such sites or resources.

TABLE P-2 Related Documentation
Application	Title	Part Number
Basic workstation hardware and software setup	Sun Ultra 45 and Ultra 25 Workstations Installation Guide (Available in ten languages.)	819-1891
Recent information and changes	Sun Ultra 45 and Ultra 25 Workstations Product Notes	819-1893
Basic workstation setup information	Sun Ultra 45 and Ultra 25 Workstations Getting Started Guide	819-1894
Safety and compliance	Sun Ultra 45 and Ultra 25 Workstations Safety and Compliance Guide	819-2785
Important Safety Information for Sun Hardware Systems	816-7190
Solaris 10 Operating System	Solaris 10 1/06 Sun Hardware Platform Guide	817-6337
Solaris 10 System Administration Guide	817-1895
Power Management and Dtpower	Solaris Common Desktop Environment: User's Guide	806-4743
SunVTS documentation	SunVTS 6.1 User's Guide	819-2361
SunVTS Quick Reference Card	819-2365
SunVTS Test Reference Manual for SPARC Platforms	819-2362
SunVTS 6.1 Release Notes	819-2363
Graphics accelerator documentation	Sun XVR-100 Graphics Accelerator Installation Guide	816-7560
Sun XVR-2500 Graphics Accelerator Installation and User's Guide	817-7517
SunPCi III co-processor board documentation	SunPCi III 3.2.1 User's Guide	817-3630
Sun PCi III Quick Start Installation Guide	817-4343
SunPCi III 3.2.2 Product Notes	817-3631

Sun Welcomes Your Comments

Sun is interested in improving its documentation and welcomes your comments and suggestions. You can submit your comments by going to:

http://www.sun.com/hwdocs/feedback

Please include the title and part number of your document with your feedback:

Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual, part number 819-1892-12.