dma and older hard disks

[Roman Kirillov]

On 7/19/06, Nigel Ridley <nigel at rmk.co.il> wrote:
>
> Roman Kirillov wrote:
> > On 7/19/06, gabrielle harrison and Paul van den Bergen <
> > gabpaul at melbpc.org.au> wrote:
> >>
> >> On Wed, 19 Jul 2006 15:01:22 +1000, Roman Kirillov <sigizmund at gmail.com
> >
> >> wrote:
> >>
> >> > On 7/19/06, Nigel Ridley <nigel at i-amfaithweb.net> wrote:
> >> >>
> >> >> I'm sending this again as it didn't seem to get thru the first time.
> >> >>
> >> >> I have just put together an AMD K6 500 using two older small hard
> >> disks
> >> >> - one 3.5 GB and the other 2.5 GB. They are about 6-7 years old.
> >> >> after doing the initial install, then the upgrade (including KDE
> >> 3.5.3)
> >> >> I rebooted and noticed in the boot messages a warning that dma is
> not
> >> >> enabled and that accessing the hard drive[s] might be slow (or
> >> something
> >> >> like that). YES, they are slooooow.
> >> >
> >> >
> >> > Hi Nigel,
> >> >
> >> > Can you provide us with these HDDs models, etc? I think it's pretty
> >> safe
> >> > to
> >> > enable DMA, 'coz for 2G+ models UDMA33 already worked, almost for
> each
> >> > one.
> >> > So you can try.
> >> >
> >> > Roman
> >>
> >> My first thought was to look up the specs for the HDD in question...
> >>
> >> other things to check is BIOS IDE settings.
> >>
> >> you can also manually set the dma mode - though for the life of me I
> >> can't
> >> recall how off the top of my head...
> >> Oh. Now I know... atacontrol on FreeBSD... forget I said anything...
> :-)
> >>
> >> still, if it is possible in one versuation of unix it should
> >> theoretically
> >> be possible in all ;-) right? *BG*
> >>
> >> that reminds me - is there a inverse man page list somewhere?
> >> perhapos this needs a new email... pardon me...
> >
> >
> > Mate, may be this will help you:
> > http://www.ubuntuforums.org/showthread.php?t=30949
> >
> > BTW google is our friend :-)
> >
>
> There was a problem with our mail server so I didn't get any messages
> for nearly a whole day - so I had to google ;-)
>
> I did try to enable dma but then on a reboot it was even slower and I
> gave up waiting!
> I dug out a 30 GB hard disk and am now installing on that.


Hmm.. sounds strange... can you please  provide me with your  HDD models,
I'll google for it - if it supports DMA, it cannot slowdown the system!


Congrats with your new HDD, it's much better idea, I hope :)

Regards,
Roma
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