AM2, X2, Opteron, or Opteron Socket F?
Arjan van de Ven
arjan at fenrus.demon.nl
Mon Aug 21 14:59:39 UTC 2006
On Mon, 2006-08-21 at 10:39 -0400, Bryan J. Smith wrote:
>
> > yes there is. But all other high speed IO (I don't count floppy's or USB
> > as such) is also 64 bit capable, at least if it's made in the last
> > decade or so.
>
> But most people expect to be able to use all sorts of 32-bit devices
> without knowing it.
and they work even without IOMMU. Just that there is an extra memcpy
involved on the kernel side. Which at not-highspeed rates is absolutely
no big deal. Of course for anything high speed you don't want that, but
those are as I said before 64 bit capable.
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