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Technology Stocks : The *NEW* Frank Coluccio Technology Forum -- Ignore unavailable to you. Want to Upgrade?

To: axial who wrote (17830)	11/16/2006 2:33:03 AM
From: Elsewhere	Read Replies (2) \| Respond to of 46821

but a PC with less than a 300 watt power supply? The nominal power supply is different from the power actually used. I have a SOHO server which runs all the time so I measured its consumption. The PC itself (everything inside the case; AMD Sempron 2400+, 512 MB RAM, 120 GB HD) uses about 80 W in normal operation although the power supply nominally has 350 W. The 21" CRT monitor uses about 100 W on its own so I usually switch off the display. As the server operates with Linux I only need the monitor about once every quarter or less, most functions can be controlled by SSH login.

To: axial who wrote (17830)	11/16/2006 1:44:12 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 46821

Hi Jim, Thanks for passing along the HPAC Engineering article. If you've not viewed it in PDF form, I recommend doing so for the improved photographic detail and perspectives it affords: hpac.com The piece is highly informative and interesting, although it's unfortunate that it hasn't been updated, since it is five years old covering a topic that is moving ahead with high velocity. -- I hesitated fron throwing numbers at your earlier question concerning the percent of national power generation that is being expended on the Internet, and data centers, in particular, for reasons you brought up in your subsequent post. Namely, the amount that is expended on air conditioning and other environmental considerations. Another aspect we've not touched on, which I covered in earlier posts upstream, has to do with the unyieldingg Moore's Law-like densification of system hardware resulting in a doubling, sometimes tripling, of the amount of power being consumed per square foot as compared with only five or six years ago. See my comments to Tech101 in an earlier message I posted on this subject back on October 10th of this year: Message 22896541 FAC