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Excerpt from our Wall Street Breakfast, a one-page summary of this morning's key market-moving and stock-moving stories:

H-P Aims to Help Cut Costs Of Cooling Computer Rooms [Wall Street Journal]

Summary: With companies running huge server farms in cramped quarters, cooling data-centers has become a major issue; air conditioning expenses often represent 70% of data-center costs. HP says it has a solution: A network of sensors that continually monitor server temperatures and air-conditioning requirements by measuring things such as server workload. The sensors send their readings to a computer running HP Chart 29 11 06energy-management software which adjusts air conditioning output. Without data about individual machines companies keep temperatures far lower than necessary, says Steve Cumings, an H-P director of marketing involved in the effort. With the technology, called "dynamic smart cooling," a medium-size data center might experience a 30% reduction in energy consumption, saving roughly $1 million a year. A supervisor specializing in technology customers with the Pacific Gas & Electric Co. unit of PG&E Corp. predicted the technology could be an important tool in the energy utility's efforts to cut data-center power consumption. HP plans to begin marketing dynamic smart cooling next summer.
Related links: Press release. Media coverage: ZDNet. Commentary: Sun Microsystems' Data Center in a Shipping Container Will Transform Corporate ComputingPower Outage at American Power Conversion Corp?Jim Cramer's Take on HPQ. Conference call transcripts: F4Q06 (Qtr End 10/31/06)
Potentially impacted stocks and ETFs: Hewlett-Packard Co. (NYSE:HPQ), International Business Machines Corp. (NYSE:IBM), Dell Inc. (NASDAQ:DELL), Sun Microsystems Inc. (SUNW) • ETFs: Internet Architecture HOLDRs (NYSE:IAH) has a 21% holding in HPQ.

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Source: HP Plays it Cool With Promising Server Technology