Re: How to stop attached USB device / send IRP_MN_REMOVE_DEVICE?
Dag-Erling Sm繪rgrav wrote:
> Sven Hazejager <sven-freebsd@hazejager.nl> writes:
>> No, camcontrol does not support this over USB. Windows XP demonstrates
>> it is technically possible, and I do not believe it is fully safe to
>> disconnect the drive (even when unmounted), as the drive then is not
>> able to park its heads, which it DOES do under XP.
> All modern disks (since at least the early 1990s) automatically park
> their heads when they lose power. There is no need to do it in
> software.
So it seems that windows is switching off the power of the devices when you select "eject". I can see that some users might feel more comfortable with this behaviour.
cheers
simon
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