On 02/18/2010 01:57 PM, Mick wrote:
On Thursday 18 February 2010 14:33:38 James wrote:

Should I put the drive into udma4 mode?

If so, wouldn't I use:

hdparm -d 1 -X 68  /dev/hda


According to the hitachi manual (who made this drive for IBM) the DJNA-3XXXXX
series has a Ultra ATA Mode 2 (33.3 MB per second) capability.  So the kernel
is not lying in this case and you can trust hdparm in what it shows.  I
suggest you leave alone.

Shouldn't the drive just refuse any command that it can't do?


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