lkml.org 
[lkml]   [2002]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Identifying/activating faster ATAxx modes (WAS kernel config tale of woe)
> > > /dev/hda:
> > >
> > > Model=Maxtor 6E030L0, FwRev=NAR61590, SerialNo=E106SZLE
> > > Config={ Fixed }
> > > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
> > > BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
> > > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=60058656
> > > IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> > > PIO modes: pio0 pio1 pio2 pio3 pio4
> > > DMA modes: mdma0 mdma1 mdma2
> > > UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
> >...
> > This is weird. Your disk seems to be set up for udma6 (UATA133),
> > which should provide for transfer rates of at least 40MiB/s.
> >...
>
> The information in "hdparm -i" shows the identification info of the
> drive. It doesn't show whether DMA is actually used (you need
> "hdparm -v" for this)...

While this is true, I fail to see why the -i output would report
udma6 as being the current transfer mode instead of a pio one if
DMA were disabled.

--
Tomas Szepe <szepe@pinerecords.com>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:31    [W:0.636 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site