jgarzik at pobox.com
Thu Aug 12 16:41:55 PDT 2004
* From the T10 Reflector (t10 at t10.org), posted by:
* Jeff Garzik <jgarzik at pobox.com>
Pat LaVarre wrote:
> So how do we answer Nathan M's question - how do SATA/ PATA bridges
> transport vendor-specific ATA commands today?
> Do bridges assume all vendor-specific protocol is PIO?
That's my guess, but I haven't tested a ton of bridges.
In theory a bridge can be smart and notice whether a command is non-data
or PIO, but probably cannot 'guess' anything related to DMA or queueing.
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