Dual boot XP with Vista

I have a new laptop computer with Vista Ultimate. I created 4 partitions and now I am ready to install Windows XP. The hard drive is ST9120823A  (S1). I believe this is a Seagate serial ATA device.

My early Microsoft Windows XP CD I have does not have SP2. I have created a slipstream installation CD with SP2 but that is not enough.

In the Phoenix bios set up utility the AHCI configuration is enabled and under "item specific help" it says "enhanced AHCI: Win XP-SP1+IAA driver supports AHCI mode." I interpret this to mean it needs an IAA driver on the slipstreamed CD in order to install Windows XP on this Vista computer. As I understand it, XP cannot recognize the new SATA HD without this driver.

I have nLite which I believe will insert the drivers if I have them. If this is correct how would I obtain and use these drivers.   Any other suggestions or links will be appreciated.
ggwattsAsked:
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GizmoSLICommented:
Hi there, not sure about your question but i assume you need the SATA driver/floopy to use during XP setup, try this link http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&ProductID=2032&DwnldID=14849&strOSs=44&OSFullName=Windows*%20XP%20Professional&lang=eng
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nobusCommented:
before you install XP, check if the drivers for your laptop are available, otherwise you'll end up in misery ...
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rindiCommented:
You can disable the AHCI function and then the Controller should run like a normal IDE controller. For that you don't need any special drivers. But you can of course also check the download site of your motherboard and download the SATA driver. That you can slipstream into the CD you are making with nlite.

You'll have to be aware that Vista won't boot after you have installed XP, as that changes the bootloader. To make a dual boot system it is best to use a 3rd party bootmanager, like the one included with bootit-ng.

http://terabyteunlimited.com/
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uxlinCommented:
The SATA issue has been exaggerated on the internet. You may run into trouble with some motherboards, but I installed XP SP1 on my HP DV2610 without ANY modification at all. First I suggest you simply insert the the SP1 CD and see if the installation works.

After installing XP, you would need to modify some stuff to get Vista to work again:
http://apcmag.com/5023/dual_booting_xp_with_vista

Good luck!
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ggwattsAuthor Commented:
Thank you all for your comments. I do appreciate your help.

GizmoSLl:

No floppy drive available. I cannot find any help re using a USB key.

Nobus:

I agree but cannot find the IAA driver needed. Is it correct that I need to know which chipset I have in order to get the correct IAA driver? Intels chipset ID utility does not list Vista.

Rindi:
Are you saying that if I disable the AHCI, I can install XP and then the only problem left can be solved with a boot manager?

Uxlin:

XP would not install. Neither the old original CD nor the slipstream CD with SP 2 would install.
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WollufCommented:
The bios should have IDE mode as well as AHCI mode.

How did you create the 4 partitions? And are they primary - or at least the one you're intending for XP?

Personally, I'd 'hide' the Vista partition while installing XP - which should give you 2 independent installations. You'll need a boot manager - boot-it's been mentioned, I use www.boot-us.com. Others like XOSL. Boot-us has tools to hide/unhide partitions (use the 'true hide' option if using this software)
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rindiCommented:
Yes, if you disable the AHCI mode and just use standard or compatibility mode (or whatever it is called in your BIOS) you don't need a special driver.
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GizmoSLICommented:
AHCI mode is disabled I am afraid that you will not be able to boot to Vista until you re-enable it and disable again to boot XP, Kinda pain.
cant you borrow an external floppy drive to use? USB floppy drives are little bit expensive.

Good luck

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rindiCommented:
Vista should also boot using standard mode.
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GizmoSLICommented:
True, but it was installed on AHCI mode, so I dont think its gonna boot.
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rindiCommented:
That doesn't matter, it'll just have those drivers installed but won't use them then.
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nobusCommented:
yes, you need the driver for that board - what is the model?
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ggwattsAuthor Commented:
Again thank you all.

Wolluf

All 4 partitions are primary.

GizmoSLI:

I doubt I can find an external floppy.

Rindi:

I am lost as to which drivers we are talking about and where they might be

Nobus:

I am not able to find out the mother board, but I believe it uses an Intel 965PM chipset and Santa Rosa platform. Intells chipset utility does not include Vista.
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rindiCommented:
As long as you turn off AHCI and make sure you are using a setting like "standard" or "compatibility", you don't require  special drivers.
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nobusCommented:
>>   I am not able to find out the mother board   <<   Why not?  it is very easy : open the case, note the printing on the mobo and you have it - or run siw :http://www.gtopala.com/siw-download.html
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ggwattsAuthor Commented:
I have a final question and then I will close this  one out.

The XP I am trying to install is a MSFT CD but I just noticed it is an "upgrade" edition version 2002.

I get errors on setup with and without the ACHI enabled.

Can I install this upgrade on my new Vista computer (the old desktop it was originally on is dead)?

Thank you.
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nobusCommented:
i don't believe you can use it like that, you need an older windows version installed, then upgrade
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