Message-ID: <4381EC88.6060605@perkel.com>
Date: Mon, 21 Nov 2005 07:49:28 -0800
From: Marc Perkel <marc@perkel.com>
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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?
References: <437F63C1.6010507@perkel.com> <437FCA07.40600@superbug.co.uk> <4381EB1B.5040105@rtr.ca>
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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

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