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Sun Microsystems T1000 Common Procedures for Parts Replacement

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Chapter 3 Removing and Replacing FRUs 53

Use an Antistatic Wrist Strap

Wearan antistatic wrist strap and use an antistatic mat when handling components

such as drive assemblies, boards, or cards. When servicing or removing server

components, attach an antistatic strap to your wrist and then to a metal area on the

chassis. Do this after you disconnect the power cords fromthe server. Following this

practice equalizes the electrical potentials between you and the server.

Use an Antistatic Mat

Place ESD-sensitive components such as the motherboard, memory,and other PCB

cards on an antistatic mat.

Common Procedures for PartsReplacement

Before you can remove and replace parts that areinside the Sun Fire T1000 server,

you must perform the following procedures:

■“ToShut the System Down” on page 53

■“ToRemove the Server From a Rack” on page 55

■“ToPerform Electrostatic Discharge (ESD) Prevention Measures” on page 56

■“ToRemove the Top Cover” on page 57

The corresponding procedures that you perform when maintenance is complete are

described in “Common Procedures for Finishing Up” on page 72.

Required Tools

The Sun Fire T1000 server can be serviced with the following tools:

■Antistatic wrist strap

■Antistatic mat

■No. 2 Phillips screwdriver

▼To Shut the System Down

Performing a graceful shutdown makes sureall ofyour data issaved andthe system

is ready for restart.

Contents

Main Please Recycle Contents Page Page Page Preface How This Book Is Organized Using UNIX Commands Typographic Conventions Shell Prompts Youcan view and print the following documents from the Sun documentation web Sun Fire T1000 Server Documentation AaBbCc123 Accessing Sun Documentation Third-Party WebSites Page Page Sun Fire T1000 Server Overview Sun Fire T1000 Server Features Chip-Multitheaded (CMT) Multicore Processor and Memory Technology Performance Enhancements Remote Manageability With ALOM Ethernet RJ45s includes two LEDs: System Reliability, Availability, and Serviceability Environmental Monitoring Error Correction and Parity Checking Advanced ECC, also called Chipkill, detects up to 4-bits in error. Predictive Self-Healing Chassis Identification Additional Service Related Information Page Sun Fire T1000 Server Diagnostics Overview of Sun Fire T1000 Server Diagnostics Page Page Page Page Using LEDs to Identify the State of Devices The Sun Fire T1000 server provides the following groupsof LEDs: These LEDs provide a quick visual check of the state of the system. AC OK LED Page Front and Rear Panel LEDs Power On/Off button on the rear panel. Power Supply LEDs The power supply LEDs (TABLE2-3) are located on the back of the power supply. Using ALOM For Diagnosis and Repair Verification Note Running ALOM Service-Related Commands Connecting to ALOM Note Switching Between the System Console and ALOM Period). Service-Related ALOM Commands Note To Run the showfaults Command any additional faults. To Run the showenvironment Command Note Page To Run the showfru Command Page Page Running POST Controlling How POST Runs how the variables work together. Page mode. To Change POST Parameters #. sc> setsc diag_mode service sc> setkeyswitch diag Reasons to Run POST Routine Sanity Check of the Hardware Diagnosing the System Hardware To Run POST 4. Switch to the system console to view the post output: Example of POST output: Page Page Note Using the Solaris Predictive Self-Healing Feature Note To Use the fmdump Command to Identify Faults Page Collecting Information From Solaris OS Files and Commands To Check the Message Buffer To View System Message Log Files Managing System Components with Automatic System Recovery Commands Note To Run the showcomponent Command To Run the disablecomponent Command To Run the enablecomponent Command Exercising the System with SunVTS Checking Whether SunVTS Software Is Installed To Check Whether SunVTS Software Is Installed Exercising the System Using SunVTS Software To Exercise the System Using SunVTS Software Page Page Page Page Page Removing and Replacing FRUs Note Safety Information Safety Symbols Caution Electrostatic Discharge Safety Caution Use an Antistatic Wrist Strap Common Procedures for Parts Replacement Required Tools To Shut the System Down Note To Remove the Server From a Rack To Perform Electrostatic Discharge (ESD) Prevention Measures To Remove the Top Cover Note Caution Removing and Replacing CRUs To Remove the Optional PCI Express Card Page To Add or Replace the Optional PCI Express Card Note To Remove the Fan Tray Assembly To Replace the Fan Tray Assembly To Remove the Power Supply To Replace the Power Supply To Remove the Hard Drive To Replace the Hard Drive To Remove DIMMs Caution To Add or Replace DIMMs Page Note To Remove the Motherboard and Chassis To Replace the Motherboard and Chassis Assembly To Remove the Clock Battery on the Motherboard Page Page Page Page Field-Replaceable Units (FRUs) .