HP 6400R - ProLiant - 1 GB RAM Error Prevention Manual - Page 9
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Power disruptions take many forms, including power surges and sags, high-voltage
spikes, switching transients, brownouts, and complete power failure. When a power
disruption occurs, check the server for signs of data damage, data loss, file
corruption, and hardware damage. The difficulty of dealing with power fluctuations
is that the damage is not always immediately noticeable; thus, problems may not be
noticed until long after the power disruption has occurred. Power management
hardware like an uninterruptible power supply (UPS) minimizes the effect of power
fluctuations and disruptions and is highly recommended.
Preventing Power Management Problems
When determining the power requirements for the server, consider the factors in this
section.
General Power Requirements
Be sure that you are following the power requirements described in the server
documentation. Also, the installation of the system equipment must be in accordance
with local/regional electrical regulations governing the installation of information
technology equipment by licensed electricians.
For electrical power ratings on options, refer to the rating label on the product or user
documentation supplied with that option.
Power Consumption Considerations
Before configuring the server, you must evaluate power consumption requirements
and determine the appropriate number of power supplies to be sure that the server has
sufficient power capacity. In addition to determining the minimum power supply
requirements, you must also consider whether AC power redundancy is a
requirement, if applicable to the server. For more information on the specific power
capabilities of the server, refer to the server documentation. To obtain the most
accurate power capacity and assessment of power margin, use the power calculator
provided on the ActiveAnswers website at
http://activeanswers.compaq.com/aaconfigurator
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Error Prevention Guide