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SubjectRe: Disk Performance
> > # hdparm -d1 /dev/hda
> >
> > (not enabled by default because it corrupts data with some
> > old chipsets and/or disks)
> But wouldn't it make more sense to enable DMA by default, except
> for a set of blacklisted chipsets, rather then disabling it for
> everybody just because some older chipsets are crap?

Its a configuration option. Most vendors I know set it to enable DMA except
on blacklisted or non PCI devices
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