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 Boot windows from extended partition
post Apr 9 2010, 01:42 PM
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xpt
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Hi,

Is it possible to boot any kind of windows from an extended partition?

Thanks

PS. Linux has been able to do that for over a decade.



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post Apr 9 2010, 02:50 PM
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Wonko the Sane
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QUOTE (xpt @ Apr 9 2010, 02:42 PM) *
Is it possible to boot any kind of windows from an extended partition?

YES/NO. smiling9.gif
http://homepages.tesco.net/J.deBoynePollar...no-answers.html

Define "Any".

NT based version YES, that means NT 3.51, NT4.00,2K/XP/2003/Vista/2008 and 7.
DOS based versions NO. (unless a remapping is done).

Compare with example given in "common sense advice" point #d wink.gif:
http://www.boot-land.net/forums/index.php?showtopic=9101

QUOTE (xpt @ Apr 9 2010, 02:42 PM) *
PS. Linux has been able to do that for over a decade.

Windows NT also, since 1993 or 1994, if I recall correctly.

See here:
http://www.msfn.org/board/index.php?showtopic=142960

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Wonko


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post Apr 9 2010, 03:23 PM
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xpt
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Sorry, it was not my intention to start some kind of religious war.

QUOTE (Wonko the Sane @ Apr 9 2010, 02:50 PM) *
Define "Any".


Any means any, i.e., I need a working solution to boot a windows from extended partition, any windows, including NT, but hopefully with winxp, vista, or windows 7 (because all of them are newer than NT).

Especially, for winxp, would that be a yes or no?
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post Apr 9 2010, 03:30 PM
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xpt
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ok, guess it would be yes,

now continuing on reading with
http://www.goodells.net/multiboot/index.htm

thanks
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post Apr 9 2010, 03:43 PM
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Wonko the Sane
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QUOTE (xpt @ Apr 9 2010, 04:23 PM) *
Sorry, it was not my intention to start some kind of religious war.

No prob, you haven't. smile.gif

QUOTE (xpt @ Apr 9 2010, 04:23 PM) *
Especially, for winxp, would that be a yes or no?


QUOTE (Wonko the Sane @ Apr 9 2010, 03:50 PM) *
NT based version YES, that means NT 3.51, NT4.00,2K/XP/2003/Vista/2008 and 7.


happy22.gif

QUOTE (xpt @ Apr 9 2010, 04:30 PM) *
thanks

You're welcome. smile.gif

cheers.gif
Wonko


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post Apr 9 2010, 03:50 PM
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xpt
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> "Windows 2000/XP "knows" about other partitions, even if they're hidden."

So if I want to install Windows XP in an extended partition, do I still need to hide my vista which is in a prime partition?

> "recent versions of DriveImage and Ghost may be sophisticated enough to alter the boot.ini value automatically when the image is restored. -- 2003"

So with Ghost 11.0.2, I don't need to fix Windows 2000/XP BOOT.INI Files, correct?

> "a key parameter in the partition boot sector may prevent an OS from booting from an extended logical partition" is the parameter, "Hidden Sectors"

Does that statement still holds for Windows XP ntldr?

Thanks
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post Apr 9 2010, 05:02 PM
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MedEvil
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Just for the record, installing an older version Windows, after a newer version Windows, always kills the newer version!

So better read up now, how to fix this later.
Maybe Wonko has a link for you, where it is described.

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post Apr 9 2010, 05:56 PM
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Wonko the Sane
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Where are you quoting from?

QUOTE (xpt @ Apr 9 2010, 05:50 PM) *
> "Windows 2000/XP "knows" about other partitions, even if they're hidden."

It doesn't actually "know" about them, as it won't give 'em a drive letter, thus they will be NOT accessed by the OS, normally.
http://www.boot-land.net/forums/index.php?showtopic=10169


QUOTE (xpt @ Apr 9 2010, 05:50 PM) *
So if I want to install Windows XP in an extended partition, do I still need to hide my vista which is in a prime partition?

There is NOT one reason in the world to "hide" partitions to other OS, exception made for some "subtle" problems with NTFS versions.
Win2K had the bad habit of changing NTFS type thus rendering pre-SP3 or pre-SP4 (cannot remember right now) installs useless.
I don't seem to remember any problems with dual booting Vista/2008/7 and previous versions, once the partitioning has been done PROPERLY:
http://www.boot-land.net/forums/index.php?...ic=9897&hl=

Read this however:
http://www.msfn.org/board/index.php?showtopic=142620
Particularly this:
http://www.msfn.org/board/index.php?showto...42620&st=31

QUOTE (xpt @ Apr 9 2010, 05:50 PM) *
> "recent versions of DriveImage and Ghost may be sophisticated enough to alter the boot.ini value automatically when the image is restored. -- 2003"

So with Ghost 11.0.2, I don't need to fix Windows 2000/XP BOOT.INI Files, correct?

Cannot say, but heck, is a plain text file, there is no problem in editing it if needed.

QUOTE (xpt @ Apr 9 2010, 05:50 PM) *
> "a key parameter in the partition boot sector may prevent an OS from booting from an extended logical partition" is the parameter, "Hidden Sectors"

Does that statement still holds for Windows XP ntldr?

Sure it does, but has NOTHING to do with the actual NTLDR, and a lot of things to do about the BOOTSECTOR CODE. wink.gif


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Wonko


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post Apr 10 2010, 04:04 AM
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xpt
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Find the following in a Linux forum:

QUOTE
remember you will not be able to reinstall XP (clean or repair) with out a primary partition XP can read.


Is this true?
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post Apr 10 2010, 07:01 AM
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engmod
  
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I have to disagree here.

Hard Drive Partitions

A hard drive may be split into partitions. NT uses two main partitions but I believe these two may be installed on one partition. There can be up to 4 primary partitions and only one extended partition which may include several logical drives. A logical drive is assigned its own drive letter and uses part of or all the space in an extended partition. Only one partition may be extended and an extended partition may not be marked as active which means operating systems cannot be booted from it. Only one partition on a disk may be active at a time. On IBM compatible computers, only a primary partition may be a system partition which is where the NT boot loader must reside.

from http://www.comptechdoc.org/os/windows/win2k/win2kdisks.html

Derek
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