Re: Safely Remove Hardware? Does it turn off Power?
- From: .A. <.A.@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 22 Jan 2008 18:08:34 -0800
This is interesting, I found that only Windows XP (it could've been the
hardware at the time) turned the light off. My copy of Vista doe not. I would
like to get Windows Vista to always switch the power (and thus light off)
when I undock the USB. How can I do this please.
..A.
"Jim Applebury" wrote:
Thanks Again... Had a hard time finding a definitive answer..
Take Care Jim
"Doron Holan [MS]" wrote:
that is true for a device that is not externally powered. selective suspend
is something else entirely. selective suspend is when devices are turned
off after they have idled out (in very simple terms).
d
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"Jim Applebury" <JimApplebury@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:BD429E60-9CEF-41E7-A1DD-9356F0B5EDB8@xxxxxxxxxxxxxxxx
Thanks Doron,
So I can report that when the light goes out on my USB flash drive that
the
power is off and only after a reinsertion does the power return?
Is this refered to by "Selective Suspension of USB"?
Thanks Again,
Jim
"Doron Holan [MS]" wrote:
it depends on the bus. the underlying bus driver will turn the device
off.
it will be powered on when the device is restarted or if the device is
removed and reinserted.
d
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newsgroup purposes only.
This posting is provided "AS IS" with no warranties, and confers no
rights.
"Jim Applebury" <Jim Applebury@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message
news:1108BEA0-245F-4EE3-A13C-0BAA439A20E6@xxxxxxxxxxxxxxxx
I've been trying to research for our Computer Club whether or not the
"Safely
Remove Hardware" applet actually turns off the power to the device and
if
does, does it wait for the device to be physically removed before
returning
power to the port?
I've noted the light on my USB flash drive goes out after sending the
remove
command which seems to support this. I've also seen reference to the
D3
power state when this command is sent but I've seen different D3 states
referenced on hot-pluggable devices.
I sure will appreciate any and all input.
Thanks,
Jim
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