Re: Identifying/activating faster ATAxx modes (WAS kernel config tale of woe)

From: Adrian Bunk (bunk@fs.tum.de)
Date: Tue Nov 26 2002 - 07:13:29 EST

On Tue, Nov 26, 2002 at 04:49:00AM +0100, Tomas Szepe wrote:

> > /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)...

> Tomas Szepe <szepe@pinerecords.com>

cu
Adrian 

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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