From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: Re: UDMA5
Date: Mon, 19 Sep 2005 17:36:38 +0200
Message-ID: <58cb370e05091908367771dd10@mail.gmail.com>
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To: Riccardo Castellani <r.castellani@usl6.toscana.it>
Cc: Stefan <gentoopower@yahoo.de>, linux-ide@vger.kernel.org

On 9/19/05, Riccardo Castellani <r.castellani@usl6.toscana.it> wrote:
> I think it's no kernel problem because after immediately POST stage (before
> that GRUB is loaded) I see hard disk properties where UDMA is set to 2
> value. PIO mode is set to 4.

It is still worth to try (Linux VIA IDE driver overrides BIOS UDMA settings,
it depends only on BIOS doing the cable detection - but you can try booting
with "ide0=ata66" kernel parameter to force 80-wires cable).

> ----- Original Message -----
> From: "Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>
> To: "Riccardo Castellani" <r.castellani@usl6.toscana.it>
> Cc: "Stefan" <gentoopower@yahoo.de>; <linux-ide@vger.kernel.org>
> Sent: Monday, September 19, 2005 5:16 PM
> Subject: Re: UDMA5
> 
> 
> > On 9/19/05, Riccardo Castellani <r.castellani@usl6.toscana.it> wrote:
> >> I run Maxtor MaxPower tool and HD test is ok.
> >> I didn't see any settings to change UDMA mode.
> >> I tried to run Knoppix live CD into machine and I had the same result:
> >> UDMA
> >> 2*
> >> I put this disk into another hardware and It worked in UDMA 6 !!!
> >> What do you think ?
> >
> >>>>> Linux version 2.6.12-1.1376_FC3 (bhcompile@tweety.build.redhat.com)
> >>>>> (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) #1 Fri Aug 26 23:27:26
> >>>>> EDT 2005
> >
> > Try with *vanilla* kernel 2.6.13 or 2.6.14-rc1.