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Safely Remove Hardware? Does it turn off Power?

Windows Device Drivers


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  #1  
Old 24-01-2008
Doron Holan [MSFT]
 
Posts: n/a
Re: Safely Remove Hardware? Does it turn off Power?

it will not turn off the light
d

--
Please do not send e-mail directly to this alias. this alias is for
newsgroup purposes only.
This posting is provided "AS IS" with no warranties, and confers no rights.


"Samuel" <Samuel@discussions.microsoft.com> wrote in message
news:6A11BC92-3A53-4D8E-850F-B083A54471E1@microsoft.com...
> 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
>> >
>> > --
>> > Please do not send e-mail directly to this alias. this alias is for
>> > newsgroup purposes only.
>> > This posting is provided "AS IS" with no warranties, and confers no
>> > rights.
>> >
>> >
>> > "Jim Applebury" <JimApplebury@discussions.microsoft.com> wrote in
>> > message
>> > news:BD429E60-9CEF-41E7-A1DD-9356F0B5EDB8@microsoft.com...
>> > > 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
>> > >>
>> > >> --
>> > >> Please do not send e-mail directly to this alias. this alias is for
>> > >> newsgroup purposes only.
>> > >> This posting is provided "AS IS" with no warranties, and confers no
>> > >> rights.
>> > >>
>> > >>
>> > >> "Jim Applebury" <Jim Applebury@discussions.microsoft.com> wrote in
>> > >> message
>> > >> news:1108BEA0-245F-4EE3-A13C-0BAA439A20E6@microsoft.com...
>> > >> > 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
>> > >>
>> > >>
>> > >>
>> >
>> >
>> >



Reply With Quote
  #2  
Old 24-01-2008
Samuel
 
Posts: n/a
Re: Safely Remove Hardware? Does it turn off Power?

Sorry for it posting 4 times, I had trouble. All I would like to do is change
a setting that will make Vista switch the light off of the USB memory stick
when it is undocked - like XP used to. How would I do this please? There must
be a way.

"Doron Holan [MSFT]" wrote:

> it will not turn off the light
> d
>
> --
> Please do not send e-mail directly to this alias. this alias is for
> newsgroup purposes only.
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
>
> "Samuel" <Samuel@discussions.microsoft.com> wrote in message
> news:6A11BC92-3A53-4D8E-850F-B083A54471E1@microsoft.com...
> > 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
> >> >
> >> > --
> >> > Please do not send e-mail directly to this alias. this alias is for
> >> > newsgroup purposes only.
> >> > This posting is provided "AS IS" with no warranties, and confers no
> >> > rights.
> >> >
> >> >
> >> > "Jim Applebury" <JimApplebury@discussions.microsoft.com> wrote in
> >> > message
> >> > news:BD429E60-9CEF-41E7-A1DD-9356F0B5EDB8@microsoft.com...
> >> > > 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
> >> > >>
> >> > >> --
> >> > >> Please do not send e-mail directly to this alias. this alias is for
> >> > >> newsgroup purposes only.
> >> > >> This posting is provided "AS IS" with no warranties, and confers no
> >> > >> rights.
> >> > >>
> >> > >>
> >> > >> "Jim Applebury" <Jim Applebury@discussions.microsoft.com> wrote in
> >> > >> message
> >> > >> news:1108BEA0-245F-4EE3-A13C-0BAA439A20E6@microsoft.com...
> >> > >> > 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
> >> > >>
> >> > >>
> >> > >>
> >> >
> >> >
> >> >

>
>


Reply With Quote
  #3  
Old 29-01-2008
Doron Holan [MSFT]
 
Posts: n/a
Safely Remove Hardware? Does it turn off Power?

no, there is no way

d

--
Please do not send e-mail directly to this alias. this alias is for
newsgroup purposes only.
This posting is provided "AS IS" with no warranties, and confers no rights.


"Samuel" <Samuel@discussions.microsoft.com> wrote in message
news:A41DA100-0D4B-4FEE-B8E3-5BB3AB5ACC02@microsoft.com...
> Sorry for it posting 4 times, I had trouble. All I would like to do is
> change
> a setting that will make Vista switch the light off of the USB memory
> stick
> when it is undocked - like XP used to. How would I do this please? There
> must
> be a way.
>
> "Doron Holan [MSFT]" wrote:
>
>> it will not turn off the light
>> d
>>
>> --
>> Please do not send e-mail directly to this alias. this alias is for
>> newsgroup purposes only.
>> This posting is provided "AS IS" with no warranties, and confers no
>> rights.
>>
>>
>> "Samuel" <Samuel@discussions.microsoft.com> wrote in message
>> news:6A11BC92-3A53-4D8E-850F-B083A54471E1@microsoft.com...
>> > 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
>> >> >
>> >> > --
>> >> > Please do not send e-mail directly to this alias. this alias is for
>> >> > newsgroup purposes only.
>> >> > This posting is provided "AS IS" with no warranties, and confers no
>> >> > rights.
>> >> >
>> >> >
>> >> > "Jim Applebury" <JimApplebury@discussions.microsoft.com> wrote in
>> >> > message
>> >> > news:BD429E60-9CEF-41E7-A1DD-9356F0B5EDB8@microsoft.com...
>> >> > > 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
>> >> > >>
>> >> > >> --
>> >> > >> Please do not send e-mail directly to this alias. this alias is
>> >> > >> for
>> >> > >> newsgroup purposes only.
>> >> > >> This posting is provided "AS IS" with no warranties, and confers
>> >> > >> no
>> >> > >> rights.
>> >> > >>
>> >> > >>
>> >> > >> "Jim Applebury" <Jim Applebury@discussions.microsoft.com> wrote
>> >> > >> in
>> >> > >> message
>> >> > >> news:1108BEA0-245F-4EE3-A13C-0BAA439A20E6@microsoft.com...
>> >> > >> > 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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  #4  
Old 11-03-2009
Member
 
Join Date: Mar 2009
Posts: 2
Re: Safely Remove Hardware? Does it turn off Power?

Hi

When I removed my 8 Gb PQI usb memory stick with the light on but after safely shutdown, I lost all my data

Why can't we have back the "light off" feature from XP and earlier windows?

Warm regards/gary

Reply With Quote
  #5  
Old 12-03-2009
Doron Holan [MSFT]
 
Posts: n/a
Re: Safely Remove Hardware? Does it turn off Power?

the state of the light had nothing to do with data integrity, it only has to
do with if there is enough power on the usb hub port to power the device

d

--

This posting is provided "AS IS" with no warranties, and confers no rights.


"garyoliver" <garyoliver.3ov6bb@DoNotSpam.com> wrote in message
news:garyoliver.3ov6bb@DoNotSpam.com...
>
> Hi
>
> When I removed my 8 Gb PQI usb memory stick with the light on but after
> safely shutdown, I lost all my data
>
> Why can't we have back the "light off" feature from XP and earlier
> windows?
>
> Warm regards/gary
>
>
> --
> garyoliver
> ------------------------------------------------------------------------
> garyoliver's Profile: http://forums.techarena.in/members/garyoliver.htm
> View this thread:
> Safely Remove Hardware? Does it turn off Power?
>
> http://forums.techarena.in
>


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  #6  
Old 12-03-2009
Member
 
Join Date: Mar 2009
Posts: 2
Re: Safely Remove Hardware? Does it turn off Power?

Thanks

My understanding is if the power is off to the memory stick there is no chance of the data being corrupted during removal. This only happened with vista.

Warm regards/gary

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  #7  
Old 12-03-2009
Doron Holan [MSFT]
 
Posts: n/a
Re: Safely Remove Hardware? Does it turn off Power?

not true. once the device has been safely removed, the drivers on top of it
have been unloaded and all data has been flushed.

--

This posting is provided "AS IS" with no warranties, and confers no rights.


"garyoliver" <garyoliver.3owpvb@DoNotSpam.com> wrote in message
news:garyoliver.3owpvb@DoNotSpam.com...
>
> Thanks
>
> My understanding is if the power is off to the memory stick there is no
> chance of the data being corrupted during removal. This only happened
> with vista.
>
> Warm regards/gary
>
>
> --
> garyoliver
> ------------------------------------------------------------------------
> garyoliver's Profile: http://forums.techarena.in/members/garyoliver.htm
> View this thread:
> Safely Remove Hardware? Does it turn off Power?
>
> http://forums.techarena.in
>


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