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Windows 7: 3rd disk partition(HD) not showing up during OS install


04 Feb 2010   #1

Windows 7 Ultimate
 
 
3rd disk partition(HD) not showing up during OS install

Want to install XP Pro on 3rd Hard drive for dual boot (my wife hates Windows 7).

Have Windows 7 Ultimate with 2 hard drives (windows 7 on one of them). Installed 3rd hard drive and shows in windows explorer and disk management.

I load XP CD and restart computer, boot to CD, start installation, but the 3rd hard drive (disk partition) is not showing up to install XP Pro. The other two drives are there.

How can I make the third hard drive (partition) visible to install XP Pro?


My System SpecsSystem Spec
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04 Feb 2010   #2

Windows 7 Professional x64
 
 

Welcome!

I do not know much about the XP installation process, but can I suggest a tutorial? Dual Boot Installation with Windows 7 and XP

What is on the 2nd drive? Could you remove it until the install process it finished?
My System SpecsSystem Spec
04 Feb 2010   #3

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Check your BIOS setting with mobo manual.

As your mobo has 10 SATA ports check the order.
My System SpecsSystem Spec
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04 Feb 2010   #4

Windows 7 Ultimate
 
 

Thanks for those replies! The 2nd HD is storage and I was going to use that same Dual Boot Installation with Windows 7 and XP tutorial until the 3rd HD was not showing up during the install of XP Pro.

I am not at home now so I will have to try looking at the BIOS later, but thanks. I was thinking about that, but if it's showing in "My Computer" and Disk Managment, seems like I should see it when installing XP Pro.
My System SpecsSystem Spec
04 Feb 2010   #5
Microsoft MVP

Win 7 Ultimate x64
 
 

You running in AHCI mode? If so it is possible that some of the SATA ports aren't visible with a drive connected until the OS is loaded (mine is that way with 6 ports, 5 and 6 can only be seen when in AHCI mode once in Windows).
My System SpecsSystem Spec
04 Feb 2010   #6

Windows 7 Ultimate
 
 

Thanks, it looks like my problem is in the bios setting. What scenario would you do? If I changed to IDE in the bios, wouldn't that effect my drives?
My System SpecsSystem Spec
04 Feb 2010   #7

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

As 2 HD show in the Win XP install setup, make your XP HD 2nd & DATA HD 3rd.
My System SpecsSystem Spec
04 Feb 2010   #8

Windows 7 Ultimate
 
 

Your suggesting drive letter change...hummm. This might work and I will give it a try, thanks!
My System SpecsSystem Spec
04 Feb 2010   #9

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by starhowle View Post
Your suggesting drive letter change...hummm. This might work and I will give it a try, thanks!
NO, drive order change.

SATA1=disk0=Win 7.

SATA2=disk1=Win XP.

SATA3=disk2=DATA.

Use this tutorial:

Dual Boot Installation with Windows 7 and XP

Use easyBCD 2.0.

http://neosmart.net/forums/showthread.php?t=642
My System SpecsSystem Spec
09 Feb 2010   #10

Windows 7 Ultimate
 
 

I hope someone can help again. I am not that familiar with setting the SATA in the BIOS. This is what I did to try and have a dual boot system (Windows 7 & XP Pro). I unplugged one HD with Windows 7 & and the other for storage only. I left the 3rd HD plugged up and installed XP pro. I shut the PC off and plugged in the SATA cables as before (had the master SATA cable in the 3rd HD). When I booted up, it the Boot mgr is missing. After a couple of restarts, Windows 7 booted up and the 3rd HD was showing in My Computer. I installed EasyBCD (1.7.2) in Windows 7 and tried to configure dual boot, but it wouldn't boot to XP, just Windows 7. I uninstalled EasyBCD and Windows 7 still boots up OK. I have attached my Mother Board layout and SATA settings. Can someone look at it and tell me what to do in the BIOS to have a dual boot system?
My System SpecsSystem Spec
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 3rd disk partition(HD) not showing up during OS install




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