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Date: Mon, 5 Jul 2004 14:24:27 +0200 (CEST)
From: Peter Ulrich Kruppa <root@pukruppa.de>
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To: Jud <judmarc@fastmail.fm>
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cc: freebsd-questions <freebsd-questions@freebsd.org>
Subject: Re: Problems with UDMA harddisks
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On Fri, 2 Jul 2004, Jud wrote:

>
> On Fri, 2 Jul 2004 08:28:12 +0200 (CEST), "Peter Ulrich Kruppa"
> <root@pukruppa.de> said:
>> Hi!
>>
>> I hope somebody on this list has another good idea, I haven't
>> thought of yet:
>>
>> I have a machine that came with two Excel Stor 40 GB ("Ganymede")
>> UDMA/100 harddisks.
>> To install FreeBSD 4.10 I had to disable UDMA in the BIOS,
>> otherwise they wouldn't have booted (some complaint about ata0).
>> Of course I wish to get UDMA working, since this is said to
>> improve perfomance significantly.
>> I checked if the UDMA cable is plugged into the correct places
>> for mainboard, master and slave - this is o.k. .
>>
>> Are there any other things (bios settings, kernel modules, magic
>> chants,...) I could try?
>
> I've been using DragonFly so I am not absolutely certain 4.10 still uses
> /boot/loader.conf, but if it does, then inserting the following line in
> that file may help:
>
> hw.ata.ata_dma="1"
No, it still doesn't work.

But thanks anyway.

Uli.


>
> Jud
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 	+---------------------------+
 	|    Peter Ulrich Kruppa    |
         |         Wuppertal         |
         |          Germany          |
         +---------------------------+