[Ksummit-2008-discuss] Kernel Summit request for Discussion of future of ATA (libata) and IDE

[Alan Cox]

On Mon, 04 Aug 2008 18:12:51 -0400
Mark Lord <liml at rtr.ca> wrote:

> Alan Cox wrote:
> > You don't. Basically it is controller dependant. Pretty much all the
> > newer controllers support the 32bit PIO data cycles. Most PCI controllers
> > it makes no speed difference but host bus controllers (especially
> > PIIX/ICH) really benefit.
> ..
> 
> By "most PCI controllers", did you really mean "most add-on PCI (card) controllers"?

Yes

> Nearly all onboard "PCI" controllers (integrated into the host chipset) benefit hugely,
> but I suppose that is what was meant by "host bus controllers".

Yes