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That's why anyone who supports linux should only buy HP printers. Full 100% open source driver support by the company who makes the hardware, which is exactly what we need. As linux slowly continues its creep into mainstream, the other printer manufacturers will start to feel the pain as people stop buying their s**t.

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I was amazed by the difference of power usage between a PC and a laptop.My laptop uses 20W on idle, and about 35W when stressed (orthos32/wc3 tft)and my desktop uses 130W idle, and 230W when stressed (orthos32/3dmark06)

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Have you used linux this side of 2000? Printers have always worked out of the box for me and setting them up couldn't be any lazier. It detects the printer on the network, it tells you what it is, it tells you what driver it's going to use and you're done. Great for "yeah yeah yeah" people who click next.

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The article talks about how they now have the framework in place to monitor power consumption more accurately in the kernel. From the sounds of it, this means that they can now start to optimize the kernel (and, I suspect, kernel mode device drivers) to be more efficient in terms of power. This may very well impact energy usage at the hardware level and not just the software level (if you can even make that distinction), since the kernel and drivers run pretty much as close to the physical hardware as you can get.

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I'll back up Zaggynl's numbers, I too see my laptop's peak usage around 42-45 watts... depending on usage. That IS without the battery :)I was wondering, are there settings in windows to reduce the cpu speed (like it does in a laptop)? One interesting thing in linux, is that all computers (laptop or otherwise) can be treated the same - So if your cpu supports a low power mode, you can save a good chunk of change by slowing down the cpu when it is idle...

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Linux is the future

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