On 4/11/07, John Pierce <[EMAIL PROTECTED]> wrote:
I have not yet found an answer, does setting DMA for SATA drives have
any effect? Is it even possible? Does SATA not use DMA?
I am curious.
In general SATA controllers absolutely use DMA and only fail back to
the much slower PIO mode if there is lots of errors.
If you want to see what is going on with libata (the new SATA/PATA
kernel driver subsystem, check out the archives for the
[EMAIL PROTECTED] mailing list. You should be able to find
it various places. Personally I use
http://marc.info/?l=linux-ide&r=1&w=2
FYI: My workstation is PATA so I can't verify what userland tool to
use to check the DMA status.
Greg
--
Greg Freemyer
The Norcross Group
Forensics for the 21st Century
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