Beginner questions about hdparm

Stefan Krah sfk1 at
Tue Dec 6 05:11:47 PST 2005

David Lockwood <daveandanj at> wrote:
> i.e. dma wasn't turned on at all. 
> So as a newbie I follow a few leads on hd optimising among the few
> options not listed as dangerous in man hdparm and settle on 
> # hdparm -c 1 -X udma2
> and transfer rate increased to about 2.8MB/s.

I have had this line in my bootscripts for years without any problems:

/sbin/hdparm -d1 /dev/hda 

The point here is that I never had the need to resort to fancier options
like -X.

Stefan Krah

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