From: Valdis.Kletnieks@vt.edu
To: "Kok, Auke" <auke-jan.h.kok@intel.com>
Cc: 7eggert@gmx.de, Kok@imap.glb.intel.com,
prasad@linux.vnet.ibm.com,
Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
Pavel Machek <pavel@ucw.cz>,
Arjan van de Ven <arjan@infradead.org>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: gigabit ethernet power consumption
Date: Fri, 12 Oct 2007 16:30:16 -0400 [thread overview]
Message-ID: <12419.1192221016@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Fri, 12 Oct 2007 09:35:15 PDT." <470FA243.6030908@intel.com>
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On Fri, 12 Oct 2007 09:35:15 PDT, "Kok, Auke" said:
> > How much power does a non-connected NIC consume, and can you save power
> > by forcing 10 MBit until a link is detected (doubling negotiation time)?
>
> no, the PHY consumes a minimal amount of energy when not connected, regardless of
> whether it is advertising 10, 100 or 1000mbit.
Is that true for essentially all the chipsets we support (or at least "the vast
majority of the ones currently found in common machines")?
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next prev parent reply other threads:[~2007-10-12 20:32 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <9c8XH-7gs-13@gated-at.bofh.it>
[not found] ` <9c9qN-7Rn-19@gated-at.bofh.it>
[not found] ` <9cs0n-3Dc-9@gated-at.bofh.it>
[not found] ` <9csjH-43E-33@gated-at.bofh.it>
[not found] ` <9d4yC-5hT-7@gated-at.bofh.it>
[not found] ` <9d7ZJ-2mI-11@gated-at.bofh.it>
2007-10-12 2:08 ` Bodo Eggert
2007-10-12 16:35 ` Kok, Auke
2007-10-12 20:30 ` Valdis.Kletnieks [this message]
2007-10-12 20:46 ` Kok, Auke
2007-10-17 13:00 ` Lennart Sorensen
2007-10-17 16:38 ` Kok, Auke
2007-10-08 22:07 Pavel Machek
2007-10-08 22:31 ` Kok, Auke
2007-10-09 5:18 ` Willy Tarreau
2007-10-09 18:28 ` Lennart Sorensen
2007-10-09 18:41 ` Kok, Auke
2007-10-10 20:44 ` Mark Gross
2007-10-11 15:33 ` Kok, Auke
2007-10-11 11:35 ` K.Prasad
2007-10-11 15:18 ` Kok, Auke
2007-10-10 6:35 ` Oliver Neukum
2007-10-09 5:08 ` Chris Snook
2007-10-09 6:58 ` Oliver Neukum
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