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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 easy reference to the corresponding
statements in the safety book.
The following types of notices and statements are used in this book:
v Note: These notices provide important tips, guidance, or advice.
v Important: These notices provide information or advice that might help you avoid
inconvenient or problem situations.
v Attention: These notices indicate possible damage to programs, devices, or
data. An attention notice is placed just before the instruction or situation in which
damage could occur.
v Caution: These statements indicate situations that can be potentially hazardous
to you. A caution statement is placed just before the description of a potentially
hazardous procedure step or situation.
v Danger: These statements indicate situations that can be potentially lethal or
extremely hazardous to you. A danger statement is placed just before the
description of a potentially lethal or extremely hazardous procedure step or
situation.
Features and specifications
Current BladeCenter E models do not have a diskette drive in the media tray. Older
BladeCenter E models do have a diskette drive in the media tray. A separate
features and specifications table is provided for each of these model types.
Notes:
1. For information about which types of I/O modules can be installed in which
I/O-module bays, see “I/O (switch) modules” on page 34.
2. The operating system in the blade server must provide USB support for the
blade server to recognize and use the keyboard, mouse, and optical drive. The
BladeCenter unit uses USB for internal communication with these devices.
Chapter 1. General information 5