Re: SATA II NCQ and multi-port support for ICH7

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Jeff Garzik wrote:
> ata_piix is loaded for legacy IDE emulation, and is limited by IDE
> interface in number of supported ports.  NCQ is not supported by this
> interface.
> 
> ahci driver supports "native mode", with full NCQ and all ports.
> 
> ICH7 chip usually supports both legacy IDE and native AHCI modes.

Also, IIRC, ich7 ahci doesn't support PMP.

-- 
tejun
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