hdparm on FC7

[Rick L Vinyard Jr]

Alan Cox wrote:
> On Sat, Apr 21, 2007 at 05:14:02PM -0600, Rick L Vinyard Jr wrote:
>   
>> I noticed the same behavior on FC7... and a search of Google and 
>> fedoraforum.org didn't provide any enlightenment.
>> Does anyone know the explanation?
>>     
>
> In DMA modes the 32bit I/O feature and multi-sector mode are not used. For
> the moment libata also only supports 32bit PIO on some controllers and for those
> it si handled automatically. Over time it may well gain 32bit support for more,
> but again the goal is it will be entirely automatically done if so.
>
>   
Ahhh, that makes sense. Thanks.