Re: Dual Boot OS by John
John
Tue Nov 29 06:25:10 CST 2005
and the boot.ini, ntldr etc will be on the system drive, which may or may
not be the C drive. Like you said ' go for it ' It should install just
fine.
"Colin Barnhorst" <colinbarharst(remove)@msn.com> wrote in message
news:uwDrH5J9FHA.252@TK2MSFTNGP15.phx.gbl...
> The x64 entry on the Boot Options screen will say "Windows XP Professional
> x64".
>
> --
> Colin Barnhorst [MVP Windows - Virtual Machine]
> (Reply to the group only unless otherwise requested)
> "R. C. White" <rc@corridor.net> wrote in message
> news:u6QuLpJ9FHA.2792@TK2MSFTNGP11.phx.gbl...
>> Hi, BAW.
>>
>> As Colin said, "Go for it." ;<)
>>
>> Boot from the Win XP x64 CD-ROM and tell it to install x64 to that idle
>> partition (D:?). As I said, x64 Setup will automatically update
>> C:\NTLDR, C:\NTDETECT.COM and C:\boot.ini, then it will install x64 into
>> D:\Windows. Thereafter, each time you reboot, you should see a menu that
>> lets you choose between the two versions.
>>
>> Unfortunately, your choices probably will be between "Microsoft Windows
>> XP Professional" and "Microsoft Windows XP Professional". Yes, two
>> identical labels with no way to tell which is which. :>( Boot into
>> either version, then go to System Properties | Advanced | Startup and
>> Recovery \ Settings. Click the Edit button; this will open C:\Boot.ini in
>> Notepad. You can edit the labels inside the quotation marks to say
>> whatever you like, so change them to something like "XP x86" and "XP
>> x64", or whatever makes sense to you. Windows pays no attention to these
>> labels; they are just for us humans. Boot.ini doesn't use drive letters;
>> it points to the various boot folders by HD and volume numbers, which it
>> calls rdisk(#)partition(#). HD numbers start with zero; partition
>> numbers start with one on each HD. Boot folders are always \Windows, by
>> default. So you probably will see x86 as rdisk(0)partition(1)\Windows
>> and x64 as rdisk(0)partition(2)\Windows.
>>
>> Here's a tip: If you want to pick your own drive letter for x64, then
>> boot into x86, use Disk Management to create and format that second
>> partition and assign it the letter you want to use. Then insert the x64
>> CD and run Setup from within x86. This way, Setup will respect your
>> drive letters, rather than assign new letters from scratch, as it will do
>> if you boot from the x64 CD to run Setup.
>>
>> RC
>> --
>> R. C. White, CPA
>> San Marcos, TX
>> rc@grandecom.net
>> Microsoft Windows MVP
>>
>> "BAW" <BAW@discussions.microsoft.com> wrote in message
>> news:6714F1B4-0162-455D-91BC-5703E2121C78@microsoft.com...
>>>
>>>
>>> "R. C. White" wrote:
>>>
>>>> Hi, BAW.
>>>>
>>>> What Charlie said!!
>>>>
>>>> I'm currently running both x86 and x64 versions of WinXP Pro, plus both
>>>> versions of 3 Vista builds so far (multi-booting 8 OSes). And in the
>>>> past,
>>>> I've dual-booted various versions of WinNT4 and Win2K, along with Win95
>>>> and
>>>> Win98 - all those pre-WinXP installations are long since retired. ALL
>>>> of
>>>> them were installed in logical drives in extended partitions on several
>>>> hard
>>>> drives, using SCSI, IDE and SATA interfaces.
>>>>
>>>> No need for a second HD, unless you need more GB of space. As Charlie
>>>> said,
>>>> you DO need a new "drive" letter, but that can be any volume, either a
>>>> primary partition or a logical drive, and it can be on your first HD or
>>>> any
>>>> other HD in your computer.
>>>>
>>>> But remember the Golden Rule of dual-booting: Install the newest OS
>>>> LAST.
>>>> Since you installed WinXP x86 AFTER x64, it overwrote the critical
>>>> startup
>>>> files (NTLDR and NTDETECT.COM) in the Root of the System Partition
>>>> (probably
>>>> C:\) with the older 32-bit versions. The earlier versions know NOTHING
>>>> about x64, not even how to boot it. But the x64 versions know all
>>>> about how
>>>> to boot the x86 version. So, all you need to do is find the new
>>>> version of
>>>> those 2 files and copy them to C:\, overwriting the older ones. They
>>>> are
>>>> Hidden, System and Read-only files, of course, so you will have to deal
>>>> with
>>>> those attributes. Or, boot from the WinXP x64 CD-ROM and run FixBoot
>>>> in the
>>>> Recovery Console to update those startup files. You may also need to
>>>> run
>>>> Bootcfg to let it detect both x86 and x64 and update C:\boot.ini.
>>>>
>>>> It's not clear from your message whether you have deleted x64, or
>>>> reformatted the volume where it was. If so, then simply boot from its
>>>> CD-ROM and do a clean install again to your new volume, and let the x64
>>>> Setup do all the work. ;<)
>>> I have deleted all the 64x Edition OS from 200 GB HD and reinstalled 32
>>> bit
>>> version Of XP Pro. I have a main partition of 150 GB that is running x32
>>> bit
>>> and the other 50 GB is just idle at this time. I wanted to install just
>>> 64x
>>> Edition on the remaing 50 GB to just be able to use apps that use 64x to
>>> their best advantage.
>>>>
>>>> RC
>>>>
>>>> "BAW" <BAW@discussions.microsoft.com> wrote in message
>>>> news:0A97A534-DBC2-43D1-87B3-C8C7AD0B508A@microsoft.com...
>>>> >I had a full 64 bit edition on a new Cyberpower unit but found it
>>>> >unuseable
>>>> > due to driver issues with all my peripherals. I installed a new
>>>> > partition
>>>> > on
>>>> > my 200 GB HD and put a 32bit version on 150 GB of it. I would like to
>>>> > reinstall my 64 xEdition on the secondary partition to just use for
>>>> > games
>>>> > and
>>>> > such. Any inupt?
>>
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