active DMA on boot "DVD/CDROM"

paul marwick paul.marwick at
Mon May 23 21:57:15 UTC 2005

In article <7f6aba050521004932d01690 at>,
Kreg Schlosser <liberaltugboat at> wrote:

> Paul, while moving hdparm in the boot up to a later point fixes the
> message, you now no longer have DMA during boot up on you hard drive,
> which will slow boot up.
> Just ignore the "error" about hdc not being there... it still enables
> DMA on the drive in hdparm.

Interesting. I thought I had tested to see whether the commands had
worked after the error and found they hadn't. But I just did so again,
and you're quite right - the hdparm parameters that I set were executed
even though the error message is output if execution is early in the

:) On the other hand, on my laptop at least, it doesn't make any
measurable difference in the boot time....


paul.marwick at
Marwick Computer Services - Chipping Norton, Oxfordshire, UK
OS/2, LAN and general Computer Consultants

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