Sun Microsystems T1000 To Change POST Parameters

30 Sun Fire T1000 Server Service Manual • January 2006

TABLE2-6 shows typical combinations of ALOM variables and associated POST

mode.

▼To Change POST Parameters

1. Access the ALOM sc> prompt:

At the console, issue the #. key sequence:

2. At the ALOM sc> prompt, use the setsc command to set the POST parameter:

Example:

The setkeyswitch parameter is a command that sets the virtual keyswitch, so it

does not use the setsc command. Example:

TABLE2-6 ALOM Parameters and POST Modes

Parameter Normal Diagnostic

Mode

(default settings)

No POST

Execution

Diagnostic

Service Mode

Keyswitch

Diagnostic preset

values

diag_mode normal off service normal

setkeyswitch*

* Thesetkeyswitch parameter, when set to diag, overrides all the other ALOM POST variables.

normal normal normal diag

diag_level max n/a max max

diag_trigger power-on-reset

error-reset

none all-resets all-resets

diag_verbosity normal n/a max max

Descriptionof POST

execution

Thisis thedefault POST

configurationand

providesa reasonable

compromisebetween

testing thoroughness

and quick server

initialization.

POST does not

run, resultingin

quick system

initialization, but

this is not a

suggested

configuration.

POST runs the

full spectrum of

tests with the

maximumoutput

displayed.

POST runs the

full spectrum of

tests with the

maximumoutput

displayed.

#.

sc> setsc diag_mode service

sc> setkeyswitch diag

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) .