Date: Fri, 3 May 2002 08:37:08 -0600 From: Zach Thompson <hideo@lastamericanempire.com> To: Nick Lozinsky <nl3481@wi.rr.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DMA and FreeBSD4.5-STABLE Message-ID: <20020503083708.A4744@darwin.lastamericanempire.com> In-Reply-To: <000b01c1f2ac$6cfb9bd0$145c1f41@bogart>; from nl3481@wi.rr.com on Fri, May 03, 2002 at 09:11:27AM -0500 References: <000b01c1f2ac$6cfb9bd0$145c1f41@bogart>
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* Nick Lozinsky <nl3481@wi.rr.com> [2002-05-03 08:11]:
> Hi,
>
> I noticed that some versions before 4.5-STABLE had the DMA enable option in
> the kernel config file; 4.5-STABLE now, doesnt? Its not there, so I try the
> option from the previous versions, and the config command fives me an error.
> Does that mean it's a different option or is DMA enabled by default in
> 4.5-STABLE?
>
Not an option anymore. Just remove the line and throw any changes you
need from the defaults in loader.conf.
man ata:
The following tunables are setable from the loader:
hw.ata.ata_dma
set to 1 for DMA access, 0 for PIO (default is DMA).
hw.ata.atapi_dma
set to 1 for DMA access, 0 for PIO (default is PIO).
Zach Thompson
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