Re: ahcisata usage mode (on NetBSD 6.1.1 (GENERIC) amd64)

[Job Hanssen <job.hanssen%gmail.com@localhost>]

On 28-09-13 12:11, Patrick Welche wrote:
> On Sat, Sep 28, 2013 at 11:49:14AM +0200, Job Hanssen wrote:
> > On 28-09-13 11:34, Patrick Welche wrote:
> > > On Sat, Sep 28, 2013 at 10:35:16AM +0200, Job Hanssen wrote:
> > > ...
> > > > >From dmesg it seems to me, that my sata-drives are not used at their most
> > > > attainable speed. Am I correct in my understanding from dmesg? Is there any
> > > > way I can be sure of this, rather than "the system feels sluggish"?
> > > ...
> > > > wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
> > > > wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
> > > > (Ultra/133) (using DMA)
> > > The second line matches the first line, so it looks to me as though the
> > > drive is attaching with maximum capability. Were you expecting a
> > > different "supports" line?
> > The "supports" line is exactly as I expect it to be.
> >
> > It the "(using DMA)" at the end of the "using" line that leaves me
> > wondering...
> a bit before it says using... DMA mode 2
> so it couldn't be better...

Your statements, together with Manuel's explanation, make it clear how I 
should interpret the boot-messages.

Thanks for clarifying. It's appreciated!