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Appendix F. BladeCenter power
module upgrade guidelines


Attention:
A four-digit feature code is used to specify a component that is configurable in the IBM configurators, the eBusiness Configurator (eConfig) and the IBM Web-based Hardware Configurator, used in US and Canada. Options that do not have feature codes cannot be integrated by IBM into a system using these IBM configurators. To purchase options separately, refer to the option part number provided in this document.

BladeCenter Addition information

This Technical Update contains information that will help you determine
whether to upgrade the power modules in your IBM® BladeCenter®
Type 8677 unit when installing IBM BladeCenter blade servers or options.

Note: These guidelines apply to an IBM ®BladeCenter Type 8677 unit.
These guidelines do not apply to an IBM BladeCenter T Type 8720 or 8730 unit.

The latest version of the BladeCenter management module firmware includes
new features to assist you in managing the power load of the chassis. The new
features (Fuel Gauge and Power Management Policy) provide additional
indication on whether the power supply in your system configuration
supports full redundancy and extend the capability of the 2000 watt (W)
power supplies. If you have not already done so, to take advantage of
these new features, download and install the latest management
module firmware from http://www.ibm.com/support/.

Attention: Power modules must always be present and operating in power
bays 1 and 2. When any blade server or option is in blade bays 7
through 14, power modules must be present and operating in all four
power-module bays.

If a power module fails or an ac power failure occurs, BladeCenter
units configured for redundant power operation, as described in this
document, 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.

As of the date of this printing, four BladeCenter power-module options
are supported:

  • IBM BladeCenter 1200 W Power Supply Module (part number 48P7052)
  • IBM BladeCenter 1200 W to 1400 W Power Supply Upgrade Kit
    (part number 90P0197)
  • IBM BladeCenter 1800 W Power Supply Module (part number 13N0570)
  • IBM BladeCenter 2000 W Power Supply Module (part number 26K4816)

Go to http://www.ibm.com/servers/eserver/serverproven/compat/us/ for
information about these options.

The most recent version of this document and all other BladeCenter
documentation is at http://www.ibm.com/support/.

July 1, 2008