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SubjectRE: 48-bit IDE [Re: 160gb disk showing up as 137gb]
At 14:51 27/04/02, Kevin Krieser wrote:
>You need an IDE controller that supports ATA133. For most existing
>computers, that is going to require a new card.

Rubbish! The drives are backwards compatible with all ATA standards (do a
hparm -i on the drive and you will see). I certainly don't have an ATA133
controller and use one of the new Maxtor ATA133 drives just fine on it.

For LBA48 support I am not too sure whether you need a special controller
(for what it's worth I use a Promise ATA100 controller and it works fine on
my Maxtor 120G, LBA48, ATA133 disk but the disk is possibly not big enough
for any problems to manifest).

Perhaps Andre (cc-ed) could shed some light on this?

Best regards,

Anton

>-----Original Message-----
>
>
>From: linux-kernel-owner@vger.kernel.org
>[mailto:linux-kernel-owner@vger.kernel.org]On Behalf Of Ville Herva
>Sent: Saturday, April 27, 2002 7:56 AM
>To: Martin Bene; linux-kernel@vger.kernel.org
>Subject: 48-bit IDE [Re: 160gb disk showing up as 137gb]
>
>
>On Sat, Apr 27, 2002 at 12:16:06PM +0200, you [Martin Bene] wrote:
> >
> > IDE: The kernel IDE driver needs to support 48-bit addresseing to support
> > 160GB.
> >
> > (...) however, you can do something about the linux ATA driver: code
> > is in the 2.4.19-pre tree, it went in with 2.4.19-pre3.
>
>But which IDE controllers support 48-bit addressing? Not all of them? Does
>linux IDE driver support 48-bit for all of them? Do they require BIOS
>upgrade in order to operate 48-bit?
>
>Or can I just grab a 160GB Maxtor and 2.4.19-preX, stick them into whatever
>box I have and be done with it?
>
>
>
>-
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--
"I've not lost my mind. It's backed up on tape somewhere." - Unknown
--
Anton Altaparmakov <aia21 at cantab.net> (replace at with @)
Linux NTFS Maintainer / IRC: #ntfs on irc.openprojects.net
WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/

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