UDMA4

[Scott Burns]

Brian Arsenault wrote:

>
> I can enable it - be it briefly - by passing the -X69 switch to hdparm:
>
> [root at squirt root]# hdparm -X69 /dev/hda
> /dev/hda:
> setting xfermode to 69 (UltraDMA mode5)
>
> Yet no matter what, a few seconds later it will reset to UDMA4.
>
>
>
>
Sounds a bit like interference etc is causing the shift to a slower 
speed.  I assume you are using an 80 wire cable rather than a 40 wire 
one?  Any kinks or folds in it?  Another cable you can try?

-- 
Scott Burns
Mirrabooka Systems

Tel +61 7 3857 7899
Fax +61 7 3857 1368