Sun Microsystems T1000 how the variables work together.

28 Sun Fire T1000 Server Service Manual • January 2006

TABLE2-5 lists the ALOM variables used to configure POST and FIGURE 2-5 shows

how the variables work together.

TABLE2-5 ALOM Parameters Used For POST Configuration

Parameter Values Description

setkeyswitch*

* All of these parameters are set using the ALOMsetsc command except for the setkeyswitch command.

normal The system can power on and run POST (based

on the other parameter settings). For details see

FIGURE2-5. This parameter overrides all other

commands.

diag The system runs POST based on predetermined

settings.

stby The system cannot power on.

locked The system can power on and run POST,but no

flashupdates can bemade.

diag_mode off POST does not run.

normal Runs POST accordingto diag_level value.

service Runs POST with presetvalues for diag_level

and diag_verbosity.

diag_level min If diag_mode =normal, run minimum set of

tests.

max If diag_mode =normal, runs all the minimum

tests plus extensive CPU and memory tests.

diag_trigger none Do not run POST on reset.

user-reset Runs POST upon user initiated resets.

power-on_reset Onlyrun POST for the first power on. This is the

default.

error-reset Runs POST if fatal errorsare detected.

all-reset Runs POST after any reset.

diag_verbosity none No POST output is displayed.

min POST output displays functional tests with a

banner and pinwheel.

normal POST output displays all test and informational

messages.

max POST displays all test, informational, and some

debugging messages.

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) .