Installation Guidelines - IBM BladeCenter Manual

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IBM BladeCenter Power Supply Modules

This option contains the warranty information, installation instructions, and the

following components for your IBM

Attention:

modules must always be present in power bays 1 and 2. When any blade server or

option is in blade bay 7 through 14, power modules must be present in power bays

1 and 2, and power modules must be present in power bays 3 and 4.

If a power module fails or an ac power failure occurs, BladeCenter units configured

for redundant power operation will operate in a nonredundant mode, and the blower

modules will run at full speed. You must replace the failing power module or restore

ac power as soon as possible to regain redundant power operation and to reset the

blower modules to their normal operating speed.

Installation guidelines

Attention:

the latest level of management-module firmware. If two management modules are

installed in the BladeCenter unit, both management modules must be upgraded to

the same level of firmware. Go to the IBM Support Web site at

http://www.ibm.com/pc/support/ and obtain the latest firmware.

Before you begin to install power supply modules (also called power modules) in

your BladeCenter unit, read the following information:

v You do not need to disconnect the BladeCenter unit from power to install or

Nonredundant power is not supported in BladeCenter products. Power

Release lever

If you are installing or replacing power modules, you must upgrade to

replace any of the hot-swap modules on the rear of the BladeCenter unit.

™

BladeCenter

Power supply

modules

Power cords

Power Supply Modules.

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