From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "David Ellingsworth" <david@identd.dyndns.org>
Cc: "Mikael Pettersson" <mikpe@it.uu.se>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Promise PDC20376
Date: Tue, 2 Dec 2008 10:50:53 +0000 [thread overview]
Message-ID: <20081202105053.1bd78897@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <30353c3d0812011743we0bdddk2c9c37dd0191cf2a@mail.gmail.com>
> A small update to this. It seems the above mentioned interrupt fails
> somewhere around the 128GB boundary. Interrupt 13h, AH=42 uses a 64
> bit sector address and should be capable of addressing the entire
> drive. For a SATA controller, this limitation seems relatively
> arbitrary. For IDE controllers, a limitation such as this is
> apparently common.
137GB I would imagine. That is the point at which LBA48 commands must be
used not LBA28 and presumably their BIOS code only supports old format
commands
next prev parent reply other threads:[~2008-12-02 10:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <30353c3d0810240704n7476cc50y28b3eb8a5f326626@mail.gmail.com>
2008-11-25 14:16 ` David Ellingsworth
2008-11-25 14:42 ` Mikael Pettersson
2008-12-02 1:43 ` David Ellingsworth
2008-12-02 10:50 ` Alan Cox [this message]
2008-12-02 13:36 ` David Ellingsworth
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