IBM eServer 342 xSeries, Руководство пользователя

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Chapter 1. Introducing the IBM xSeries 342
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Notices and statements used in this book
The caution and danger statements also appear in the multilingual Safety Information
book provided on the IBM xSeries Documentation CD that comes with your xSeries
product. Each 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:
• Note: These notices provide important tips, guidance, or advice.
• Important: These notices provide information or advice that might help you avoid
inconvenient or problem situations.
• 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.
• 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.
• 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.
What your IBM xSeries 342 offers
Server features The xSeries 342 server is designed to be cost-effective, powerful, and flexible. Your
server offers:
• Impressive performance using an innovative approach to SMP
Your server supports up to two Intel Pentium III microprocessors. Your server
comes with one microprocessor installed; you can install an additional
microprocessor to enhance performance and provide SMP capability.
• Large data-storage and hot-swap capabilities
All models of the server support up to three hot-swap hard disk drives. This hot-
swap feature enables you to remove and replace hard disk drives without turning
off the server. The xSeries 3-Pack Ultra160 Hot-Swap Expansion Kit option is
available to add three additional drive bays.
• Optional PCI adapters
Your server uses peripheral component interconnect (PCI) bus architecture to
provide compatibility with a wide range of existing hardware devices and software
applications. Your server supports up to five PCI adapters in the expansion slots
on the system board.
• Redundant cooling capability
The redundant cooling capability of the hot-swap fans in your server allows
continued operation if one of the fans fails. You can also replace a failing hot-
swap fan without turning off the server.
• Optional redundant power capability
You can install an additional 270-watt power supply in your server to provide
redundant power for your server. The Power Non-Redundant (NON) light emitting
diode (LED) in the group of diagnostic LEDs on the system board is lit when the
power load is 270 watts or greater with two power supplies installed.