linux-kernel - Re: Western Digital GreenPower drives and Linux

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Message-Id: <200804112200.28854.tvrtko@ursulin.net>
Date:	Fri, 11 Apr 2008 22:00:28 +0100
From:	"Tvrtko A. Ursulin" <tvrtko@...ulin.net>
To:	devzero@....de
Cc:	lkml@...anurb.dk, pernegger@...il.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andi Kleen <andi@...stfloor.org>
Subject: Re: Western Digital GreenPower drives and Linux

> >I got back from WD's tech support and received a DOS utility which can
> > control this drive feature, apparently using vendor specific commands.
> > With it head unload timer can be disabled or set to a period between
> > 100ms and 25.5s.

Followup with some good news.

Head unload timer settings seems to be persistent across powering off. Having 
set it to a maximum value of 25.5 seconds my disk is now behaving much more 
reasonable.

To actually do it I used FreeDOS floppy image burnt on a CD-RW as a bootable 
image plus wdidle3.exe in the filesystem itself. 

BTW, WD's tech support has gone silent so chances for an easier solution are 
not so great.

Tvrtko
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