Re: stupid SATA questions

[Jeff Garzik]

Aleksey Gorelov wrote:
>  
>
> > From: linux-kernel-owner@xxxxxxxxxxxxxxx 
> > [mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] On Behalf Of Jeff Garzik
> > Sent: Tuesday, June 07, 2005 11:01 AM
> > To: Kumar Gala
> > Cc: Linux Kernel list
> > Subject: Re: stupid SATA questions
> >
> > Kumar Gala wrote:
> >
> > > These questions were posed to me and I was hoping someone would have 
> > > better knowledge about the works and usage of SATA then I 
> >
> > do.  All of 
> >
> > > these questions are around understanding how important the 
> >
> > performance 
> >
> > > of PIO mode is.
> > >
> > > How often would one run in PIO mode?  Why would one run in PIO mode?
> >
> > Never.  No idea.  :)
>
>
> Some BIOSes/option ROMs do. Especially SATA RAID ones.
> But unless you are using BIOS interrupts... 

It doesn't matter what BIOS does, Linux SATA drivers don't use the BIOS.

	Jeff



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