Re: Serial ATA (SATA) on Linux status report

[Jeff Garzik]

J.A.Magallon wrote:
> I'm going to get an Asus PC-DL with an onboard Promise PDC20378 Serial ATA
> controller that has 2 serial ata ports and one ATA133 channel.
> The mobo also has two ATA100 ports.
>
> Is it possible to use only the PATA from the promise ? I have no
> SATA drives now, but I could use the ATA133 port.
> Is there any PATA driver that works with the promise, even if I
> don't see or disable the SATA ports ?


The only way to use the PATA ports is to use a driver from Promise. 
libata doesn't support PDC203xx PATA ports at all, regardless of 
configuration.

Technically speaking, libata needs to be modified to support two 
different types of "host operations".  Once that internal limitation is 
removed, adding support for the PATA ports is easy.

	Jeff



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