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Subject: RE: USB spindown (was RE: Feature Request: USB HDD only Custom Ro m.)
From: Joel Wiramu Pauling (aenertia_at_aenertia.net)
Date: 2004-08-26


You can set hd parameters at boot, and hdparm works fine over usb
I´m not sure about your spindown option, but you can use hdparm . I know
that setting dma modes with hdparm over usb works fine (use it for
external dvd burner). So it should work fine with the archos.

Kind regards

Joel

On Thu, 2004-08-26 at 21:44, Stuart Tedford wrote:
> I don't have any real experience of Linux, but I was playing with Knoppix
> last night and I got the internal toshiba disk on my laptop to spindown
> using the command...
> "sudo hdparm -B1 /dev/hda"
> which sets the internal disk APM mode to the lowest setting of 1.
>
> Then I made it persitant over resets using...
> "sudo hdparm -K1 /dev/hda"
>
> And the disk now spins down under XP when not used for a second or so which
> is exactly what I want. The problem with the built in XP power management
> is that you must not use the whole computer for 3 minutes, before it will
> tell the disks to spindown, which is useless as far as I'm concerned. So
> using this internal APM spindown of the disk is much better.
>
> So does anyone know if this hdparm will work with the Archos connected to
> USB? I think it appears as a SCSI disk under Linux. I don't really want to
> have to pull the disk out of my JB becasue it is falling apart so if hdparm
> can't do it is there some other Linux util that can?
>
> Also, assuming I set the APM mode of the HD to 1 by whatever means, RockBox
> will always set it back to a value of 128 every time it runs, which means
> the disk never spins down automatically on its own. Couldn't RockBox just
> leave the APM setting alone? since it can spindown the disk manually as and
> when required? Or it could save the current value and resore it at power
> down. Or maybe the APM value could be yet another menu option.
>
> Stu.
>
>
>
> > -----Original Message-----
> > From: [IDC]Dragon [mailto:idc-dragon_at_gmx.de]
> > Sent: 25 August 2004 13:17
> > To: Rockbox development
> > Subject: USB spindown (was RE: Feature Request: USB HDD only Custom
> > Rom.)
> >
> >
> > > > Mine does spin down quite nicely in USB mode. It probably
> > > > depends on what your host (Win2k/XP in my case) does.
> > > >
> > > I can't get mine to spin down in XP. How did you do it?
> >
> > I didn't change anything, has always been like this.
> > Maybe you can try the energy saver options (where screensaving etc. is
> > done), or it is a feature of my disk (Fujitsu 60 GB).
> >
> > Jörg
> >
> > --
> > Supergünstige DSL-Tarife + WLAN-Router für 0,- EUR*
> > Jetzt zu GMX wechseln und sparen http://www.gmx.net/de/go/dsl
> >
> > _______________________________________________
> > http://cool.haxx.se/mailman/listinfo/rockbox
> >
> _______________________________________________
> http://cool.haxx.se/mailman/listinfo/rockbox
>
>

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