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SubjectRe: BIOS setup needed for LBA48?

Well doors may know this but the door-stop does not. The driver has no
clue currently and so we are back to a pig in a poke. I have never run
48-bit on AMD, and iirc NFORCE is a step-child of AMD.

It has everything to do with the DMA engine in the ASIC going south.

Cheers,


On Sat, 25 Jan 2003, Andrzej Krzysztofowicz wrote:

>
> > Yes, if the host controller can not handle the double pump for dma
> > operations. Disable DMA int it has to work. If it does not, you have a
> > nice pile of junk, and it should be come a door.
>
> Shouldn't the driver disable DMA automatically (not allow to enable it) ?
> Driver knows the controller type, knows the disk size ...
>
> Or is it not so simple ?
>
>
> > On Sat, 25 Jan 2003, Stefan Smietanowski wrote:
> >
> > > >>Can the Linux Kernel use the full drive (160GB/250GB/whatever)
> > > >>even though the BIOS doesn't? (LBA48)
> > > >
> > > > Usually, yes.
> > >
> > > Is there anything that could make "usually, yes" become a "no"?
>
> --
> =======================================================================
> Andrzej M. Krzysztofowicz ankry@mif.pg.gda.pl
> phone (48)(58) 347 14 61
> Faculty of Applied Phys. & Math., Gdansk University of Technology
>

Andre Hedrick
LAD Storage Consulting Group

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