[coreboot] ACPI on m57sli v1.0

Peter Stuge peter at stuge.se
Thu Jul 2 23:26:34 CEST 2009

Harald Gutmann wrote:
> > Is the port interrupt-driven, or polling, on your system, Andreas?
> Here on my system it says also polling, like on Andreas system.
> What is the difference between interrupt driven and polling?

Interrupt driven means the port has an interrupt assigned to it, and
that communication over the port is event based.

Polling means there is a timer running in the kernel which will check
the port for activity every few milliseconds or something.

> On vendor bios it is interrupt-driven.
> Is an ACPI part missing to get it interrupt driven?

I think so, yes.

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