The meaning of acronym of PIO in kernel?

[Leon Woestenberg]

Hello,

On Fri, Nov 4, 2011 at 8:58 AM, loody <miloody at gmail.com> wrote:
> Hi all:
> I found except DMA transfer, there is a mode called PIO.
> Where I can find the document of this and what is full name of it?
>
Use search engine powers on PIO, for "Programmed Input/Output".

It's not Linux specific, it's computer / micro-architecture specific
terminology.

Regards,
-- 
Leon