On Mon, Nov 18, 2002 at 12:47:09 -0500, Mike Dresser wrote:
> On Tue, 19 Nov 2002, mdevin wrote:
> 
> > # hdparm -i /dev/hdc
> > /dev/hdc:
> >  Model=WDC WD400BB-32AUA1, FwRev=18.20D18, SerialNo=WD-WMA6R3707054
> >  DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
> >
> > # hdparm -i /dev/hda
> > /dev/hda:
> >  Model=WDC WD400JB-00ENA0, FwRev=05.03E05, SerialNo=WD-WMAD12312399
> >  DMA modes: mdma0 mdma1 *mdma2 udma0 udma1 udma2 udma3 udma4 udma5
> 
> Definately in non-ultradma mode, mdma2 is ... 16mbyte/sec?
> 
> See the DMA mode it's using?  I'd take a look at your cabling and routing
> thereof.  What kind of cable is connected to the drive?  Can you take
> this hard drive and stick it in the other computer, and see how it
> performs, using the cable that is in the other computer?
>
My other computer is older and its motherboard doesn't have support for
ATA133 (80pin cable), but I guess it would just be treated as ATA100.  I
can't shut that one down at present though.

Cheers.
Mark.


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