From: Marc Perkel <marc@perkel.com>
To: Mark Lord <lkml@rtr.ca>
Cc: James Courtier-Dutton <James@superbug.co.uk>,
linux-kernel@vger.kernel.org
Subject: Re: Does Linux support powering down SATA drives?
Date: Mon, 21 Nov 2005 07:49:28 -0800 [thread overview]
Message-ID: <4381EC88.6060605@perkel.com> (raw)
In-Reply-To: <4381EB1B.5040105@rtr.ca>
Mark Lord wrote:
> Yes, the hdparm -y, -Y, and -S flags all work with the passthru
> feature set,
> which is included in the 2.6.15-rc* kernels.
>
> Typical power consumption figures, from WDC SataII drives:
>
> Idle: 430mA@12VDC + 730mA@5VDC (about 8.75 watts)
> Standby: 20mA@12VDC + 270mA@5VDC (about 1.60 watts)
> Sleep: 20mA@12VDC + 250mA@5VDC (about 1.50 watts)
>
> Those are from the WDC datasheets.
>
> Cheers
Here's maxotor specs
Power
Spinup (avg, watts) 28.7
Seek (avg, watts) 12.3
Idle (avg, watts) 7.0
Standby (avg, watts) 2.1
--
Marc Perkel - marc@perkel.com
Spam Filter: http://www.junkemailfilter.com
My Blog: http://marc.perkel.com
next prev parent reply other threads:[~2005-11-21 15:49 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-19 17:41 Does Linux support powering down SATA drives? Marc Perkel
2005-11-19 19:01 ` Alan Cox
2005-11-19 19:00 ` Alistair John Strachan
2005-11-19 19:14 ` Marc Perkel
2005-11-19 19:20 ` USB storage -> Oops (2.6.14.2) JaniD++
2005-11-19 19:43 ` Does Linux support powering down SATA drives? Jeff Woods
2005-11-19 20:25 ` Alan Cox
2005-11-19 20:21 ` Alistair John Strachan
2005-11-19 20:30 ` Ondrej Zary
2005-11-19 21:49 ` Alan Cox
2005-11-19 21:20 ` Marc Perkel
2005-11-19 23:04 ` Alistair John Strachan
2005-11-20 7:22 ` asmith
2005-11-20 15:53 ` Marc Perkel
2005-11-20 16:04 ` Tomasz Torcz
2005-11-20 16:07 ` Marc Perkel
2005-11-20 16:17 ` Tomasz Torcz
2005-11-20 16:08 ` Alistair John Strachan
2005-11-21 16:21 ` Rob Landley
2005-11-21 16:51 ` Jeff Garzik
2005-11-21 17:34 ` Rob Landley
2005-11-21 17:14 ` Jason L Tibbitts III
2005-11-20 1:59 ` Rogério Brito
2005-11-20 2:09 ` resyncing broken software raid 1 Marc Perkel
2005-11-20 2:23 ` Kyle Moffett
2005-11-21 7:25 ` Jens Axboe
2005-11-20 23:55 ` Does Linux support powering down SATA drives? Pavel Machek
2005-11-21 8:48 ` Stefan Seyfried
2005-11-20 1:54 ` Rogério Brito
2005-11-20 0:57 ` James Courtier-Dutton
2005-11-21 15:43 ` Mark Lord
2005-11-21 15:49 ` Marc Perkel [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-20 12:20 Douglas Gilbert
2005-11-21 0:27 Nicolas Mailhot
[not found] <5aF0K-82E-5@gated-at.bofh.it>
[not found] ` <5aH2x-2ub-5@gated-at.bofh.it>
[not found] ` <5aIrE-4BY-11@gated-at.bofh.it>
[not found] ` <5aK0x-6Wi-27@gated-at.bofh.it>
[not found] ` <5aROj-119-5@gated-at.bofh.it>
2005-11-21 3:39 ` Robert Hancock
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