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XP x64 Pro Hibernation Issue

 
 
=?Utf-8?B?YmxpdHoyMjA4MA==?=
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      07-20-2007
I just updated my system to 4GB of memory, and ever since the hibernation
option under power options is not available. If I reduce the memory back to
2GB, it automatically reappears next time I boot up. Does anyone know if
there is a limit to the amount of ram hibernation supports in XP x64 Pro, or
if there is anything I can do to enable hibernation with 4GB of memory? Any
assistance is greatly appreciated.

-blitz22080
 
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Dominic Payer
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      07-20-2007
See http://support.microsoft.com/kb/888575. Hibernation should work with
4GB.

See the Note under Workaround in the KB article. You may also - instead of
the switch - be able to adjust your BIOS settings to map the PCI memory
resources above the 4GB boundary.



"blitz22080" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>I just updated my system to 4GB of memory, and ever since the hibernation
> option under power options is not available. If I reduce the memory back
> to
> 2GB, it automatically reappears next time I boot up. Does anyone know if
> there is a limit to the amount of ram hibernation supports in XP x64 Pro,
> or
> if there is anything I can do to enable hibernation with 4GB of memory?
> Any
> assistance is greatly appreciated.
>
> -blitz22080


 
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Dominic Payer
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Posts: n/a
 
      07-20-2007
See http://support.microsoft.com/kb/888575. Hibernation should work with
4GB.

See the Note under Workaround in the KB article. You may also - instead of
the switch - be able to adjust your BIOS settings to map the PCI memory
resources above the 4GB boundary.



"blitz22080" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>I just updated my system to 4GB of memory, and ever since the hibernation
> option under power options is not available. If I reduce the memory back
> to
> 2GB, it automatically reappears next time I boot up. Does anyone know if
> there is a limit to the amount of ram hibernation supports in XP x64 Pro,
> or
> if there is anything I can do to enable hibernation with 4GB of memory?
> Any
> assistance is greatly appreciated.
>
> -blitz22080


 
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=?Utf-8?B?YmxpdHoyMjA4MA==?=
Guest
Posts: n/a
 
      07-20-2007
Thank you for your help, this has certainly put me in the right direction as
the system now has hibernation active. Unfortunately, after inserting the
/MAXMEM=4096 to the boot.ini file, Windows Pro x64 now only recognizes 3GB of
ram, and not the entire 4GB that I have installed, and that it did recognize
before making the /MAXMEM=4096 switch. Should I attempt to experiment with
the value for the /MAXMEN switch, such as setting it to 5120, or are there
any other ideas? It is greatly appreciated.

-blitz22080

"Dominic Payer" wrote:

> See http://support.microsoft.com/kb/888575. Hibernation should work with
> 4GB.
>
> See the Note under Workaround in the KB article. You may also - instead of
> the switch - be able to adjust your BIOS settings to map the PCI memory
> resources above the 4GB boundary.
>
>
>
> "blitz22080" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> >I just updated my system to 4GB of memory, and ever since the hibernation
> > option under power options is not available. If I reduce the memory back
> > to
> > 2GB, it automatically reappears next time I boot up. Does anyone know if
> > there is a limit to the amount of ram hibernation supports in XP x64 Pro,
> > or
> > if there is anything I can do to enable hibernation with 4GB of memory?
> > Any
> > assistance is greatly appreciated.
> >
> > -blitz22080

>
>

 
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Dominic Payer
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Posts: n/a
 
      07-20-2007
By default the motherboard will be set to assume you have a 32 bit operating
system and the maximum memory you could address would be 4GB.

There are some motherboard BIOS settings which can be changed - if they
exist - to allow you to map the PCI memory above 4GB and use 4GB of RAM, or
more if your board supports it.

The settings you will probably have are Software memory hole remapping and
Hardware memory hole remapping which can both be enabled. These are
effective only for a 64-bit OS.

You may also have a setting for MTRR mapping mode which may be set to
Discrete or Continuous.

You will need to experiment to find the best, stable settings for your
motherboard.




"blitz22080" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Thank you for your help, this has certainly put me in the right direction
> as
> the system now has hibernation active. Unfortunately, after inserting
> the
> /MAXMEM=4096 to the boot.ini file, Windows Pro x64 now only recognizes 3GB
> of
> ram, and not the entire 4GB that I have installed, and that it did
> recognize
> before making the /MAXMEM=4096 switch. Should I attempt to experiment
> with
> the value for the /MAXMEN switch, such as setting it to 5120, or are there
> any other ideas? It is greatly appreciated.
>
> -blitz22080
>
> "Dominic Payer" wrote:
>
>> See http://support.microsoft.com/kb/888575. Hibernation should work with
>> 4GB.
>>
>> See the Note under Workaround in the KB article. You may also - instead
>> of
>> the switch - be able to adjust your BIOS settings to map the PCI memory
>> resources above the 4GB boundary.
>>
>>
>>
>> "blitz22080" <(E-Mail Removed)> wrote in message
>> news:(E-Mail Removed)...
>> >I just updated my system to 4GB of memory, and ever since the
>> >hibernation
>> > option under power options is not available. If I reduce the memory
>> > back
>> > to
>> > 2GB, it automatically reappears next time I boot up. Does anyone know
>> > if
>> > there is a limit to the amount of ram hibernation supports in XP x64
>> > Pro,
>> > or
>> > if there is anything I can do to enable hibernation with 4GB of memory?
>> > Any
>> > assistance is greatly appreciated.
>> >
>> > -blitz22080

>>
>>


 
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