Notices And Statements Used In This Book; Power, Controls, And Indicators; Turning On The Blade Server - IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual

Notices and statements used in this book

The caution and danger statements used in this book also appear in the multilingual
Safety Information book provided on the IBM BladeCenter Documentation CD. Each
caution and danger statement is numbered for reference to the corresponding
statement in the safety book.
The following notices and statements are used in the documentation:
v Note: These notices provide important tips, guidance, or advice.
v Important: These notices provide information or advice that might help you avoid
v Attention: These notices indicate possible damage to programs, devices, or
v Caution: These statements indicate situations that can be potentially hazardous
v Danger: These statements indicate situations that can be potentially lethal or

Power, controls, and indicators

This chapter describes the power features, how to turn on and turn off the blade
server, and what the controls and indicators mean.

Turning on the blade server

After you connect the blade server to power through the BladeCenter unit, the blade
server can start in any of the following ways.
Note: Unless otherwise stated, references to the BladeCenter unit also apply to the
v You can press the power-control button on the front of the blade server (behind
v If a power failure occurs, the BladeCenter unit and then the blade server can
v You can turn on the blade server remotely by means of the service processor in
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BladeCenter HS40 Type 8839: Hardware Maintenance Manual and Troubleshooting Guide
inconvenient or problem situations.
data. An attention notice is placed just before the instruction or situation in which
damage could occur.
to you. A caution statement is placed just before the description of a potentially
hazardous procedure step or situation.
extremely hazardous to you. A danger statement is placed just before the
description of a potentially lethal or extremely hazardous procedure step or
situation.
BladeCenter T unit.
the control panel door) to start the server.
Notes:
1. After you connect the power cords of your BladeCenter unit to the electrical
outlets, wait until the power-on LED on the blade server flashes slowly before
pressing the blade server power-control button. During this time, the service
processor in the BladeCenter management module is initializing; therefore,
the power-control button on the blade server does not respond.
2. While the blade server is starting up, the power-on LED on the front of the
server is lit steady. See "Controls and LEDs" on page 8 for the power-on LED
states.
start automatically when power is restored (if the blade server is configured
through the BladeCenter management module to do so).
the BladeCenter management module.