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  • From: Long Nguyen <lhn16425 AT yahoo.com>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] MPlayer
  • Date: Tue, 24 May 2005 11:37:42 -0700 (PDT)


--- David Moberg <davidjmoberg AT lycos.com> wrote:
> > What is a DMA and what does it do? (I used to work for the Defense
> > Mapping Agency).
>
> DMA = Dynamic Memory Allocation?? It is a way of transferring data
> which does not overload the CPU as much as an ordinary transfer. Modern hard
drives
> use DMA to improve transfer speed.

I think DMA stands for Direct Memory Access, which is exactly what you said,
I/O with little CPU intervention. This is much faster than "regular" I/O.

-Long



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