> I haven't yet gotten up the nerve to try one of those removable IDE
> frames that has a power switch for the IDE drive in the locking
> mechanism.  Unlocking the frame retention slider powers down the IDE
> drive's +5v and +12v.  The company implies that one can swap a drive
> without turning the whole computer off, but I'm not sure I buy it
> unless they plainly state how they addressed the issues of 1) making
> sure that the ground pin loses contact last and 2) making sure that
> the IDE control/data lines remain tri-stated during the whole
> operation.
it does only 1-st but it work. even manual hot-swapping works perfect if
you would disconnect power first when unplugging and connect power last
when plugging. and if it's on dedicated IDE channel (master/slave does not
work with hotplug)