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Chapter 3. Planning 103
For thermal considerations, the x440 must be installed with perforated doors
on both front and back. Do not install the x440 in a rack with a glass front
door.
Although installation is supported in non-enterprise racks, it is not
recommended, since cable management then becomes an issue.
The maximum weight of the system, depending on your configuration, is 50
kg (110 lb.). Therefore, this system requires two people to install it in a rack.
If you use a non-IBM rack, the cabinet must meet the EIA-310-D standards with a
depth of at least 28 inches. Also, adequate space (approximately two inches for
the front bezel and one inch for air flow) must be maintained from the slide
assembly to the front door of the rack cabinet to allow sufficient space for the
door to close and provide adequate air flow.
Make sure all the cables attached to the x440 are long enough to permit the
server to be slid out of the rack. This would include the normal cables such as
power, network, and fiber cables, but also includes the Remote I/O cable for
connecting to the RXE-100 and the SMP expansion cables for connecting to
another x440. See “Remote Expansion Enclosure” on page 78 for RXE-100
cabling information.
Since the x440 is rack optimized, the IBM xSeries rack configurator should be
used to ensure correct placement. The configurator can be downloaded from:
For EMEA: http://www.pc.ibm.com/europe/configurators/
For USA:
http://www.pc.ibm.com/us/eserver/xseries/library/configtools.html
For other countries or regions:
a. Go to http://www.ibm.com
b. Click Select a country
c. Select your country
d. Click Products and Services
e. Click Intel-based servers
f. Click Tools
g. Scroll down to find the Rack Configurator section
3.8 Power considerations
The x440 ships with two redundant, hot-swappable power supplies that produce
1050 W each at 220 V, or 550 W each at 110 V. When the x440 is populated with
more than two processors, memory, and adapters, the power supplies may not
be redundant if they are connected to a 110 V power source.