Re: stupid SATA questions

[Jeff Garzik]

Robert White wrote:
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> Since the title of the thread applies...
>
> What command (or whatever) does one use to do things like set the power
> controls on a libata-controlled SATA drive?  hdparm doesn't seem to do
> anything but complain when I try to use the various features.

You need "ATA passthru" (SMART support) in order for hdparm to work.


> hdparm /dev/sda
> /dev/sda:
>  IO_support   =  0 (default 16-bit)
>  ...
>
> Does the "16-bit" mean anything or is it just a bogon?

This is hardcoded.  I doubt you will ever be able to change this.

	Jeff


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