Re: IBM HDAPS things are looking up

From: Jens Axboe
Date: Fri Jul 08 2005 - 01:28:47 EST


On Thu, Jul 07 2005, Alejandro Bonilla wrote:
> Bodo Eggert wrote:
>
> >Clemens Koller <clemens.koller@xxxxxxxxxxx> wrote:
> >
> >
> >
> >>Well, sure, it's not a notebook HDD, but maybe it's possible
> >>to give headpark a more generic way to get the heads parked?
> >>
> >>
> >
> >I remember my old MFM HDD, which had a Landing Zone stored in the BIOS to
> >which the park command would seek. Maybe you could do something similar
> >and park the head on the last cylinder if the other options fail.
> >
> >
> This makes me wonder... If you replace the internal HD with a non IBM or
> IBM supported Hard Drive, will it still park the head and will it
> support all the stuff?

Depends, the drive must support the IDLE_IMMEDIATE unload subfeature, as
described in ata7.

--
Jens Axboe

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