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Subject: Re: Configurable disk spindown
From: Mike Soultanian (msoultan_at_csulb.edu)
Date: 2002-08-26


I would think the faster it can change to the next track, the faster it
goes back in the pocket!

:)
mike

"George Styles (RipnetUK)" wrote:
>
> But doesnt the movement to sleep position protect the head against
> mechanical shock? arent you most likely to drop the thing while getting it
> out of pocket to change track?
>
> g
>
> ----- Original Message -----
> From: "Uwe Freese" <mail_at_uwe-freese.de>
> To: "Björn Stenberg" <rockbox_at_cool.haxx.se>
> Sent: Monday, August 26, 2002 9:26 PM
> Subject: Configurable disk spindown
>
> > Hallo Björn,
> >
> > Björn Stenberg schrieb am Monday, August 26, 2002, 3:21:16 PM:
> >
> > BrS> Modified Files:
> > BrS> ata.c ata.h
> > BrS> Log Message:
> > BrS> Added configurable disk spindown. The disk will also now not spin
> > BrS> down while you are running around in the dir browser or pressing
> > BrS> buttons in the wps.
> >
> > Really nice work so far! When it spins down or keeps spinned up
> > behaves exactly as I like it.
> >
> > But: Not to spin up the disk speeds up dir-browsing ~ 2 sec or so, but
> > the drive moves its heads to a "sleep" position when it doesn't read
> > something for about a second.
> > Moving the heads out of this sleep position before being ready for
> > reading (the next dir) takes about 1 second. (One can test this by
> > browsing several directories with a pause of some seconds and browsing
> > through several dirs /very/ quickly, so that the hdd doesn't move the
> > heads to the "sleep" position.)
> >
> > Is it possible to prevent the disk to move it's heads to the "sleep"
> > position? I think of a do_something() method in ata.c that only reads
> > again the last sector that was read and that's called every 0.5
> > seconds in the loop before spinning down the disk.
> >
> > Bye, Uwe.
> >
> >

-- 

--------------------- Mike Soultanian Computer Technician, College of the Arts msoultan_at_csulb.edu (562) 985-4409 ---------------------



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