Perhaps your cpu cannot go into deep c states? At least my IBm T40p has that problem, when USB is enabled. regards Alex Am Sonntag, 24. September 2006 11:08 schrieb Pavel Machek: > Hi! > > I made some quick experiments, and usb still eats 4W of battery > power. (With whole machine eating 9W, that's kind of a big deal)... > > This particular machine has usb bluetooth, but it can be disabled by > firmware, and appears unplugged. (I did that). It also has fingerprint > scanner, that can't be disabled, but that does not have driver (only > driven by useland, and was unused in this experiment). > > Any ideas? > Pavel -- Encrypted Mails welcome. PGP-Key at http://www.grans.eu/misc/pgpkey.asc | Key-ID: 0x6D7DD291 More info at http://www.grans.eu/Alexander_Gran.html
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