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Old 03-08-2010, 09:44 AM   #1
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AHCI and XP

Hi

I read glc's sticky thread in this section about requirement for AHCI drivers in XP. I was rummaging around in my BIOS on an unrelated matter and remembered that I set up my HDDs in IDE mode because AHCI never seemed to work. Seems because I never had the drivers....

But having already installed XP SP3 (slipstreamed) is there a way to get the AHCI drivers into my OS so I can start using my HDDs in AHCI mode? Without reinstalling XP?

My pc doesn't have a a:\ or a b:\ assigned

or a floppy disk drive (although I can get my hands on one)

Thanks for any assistance.
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Old 03-08-2010, 10:34 AM   #2
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I'm under the impression that n order to use it like that, you would have to do a fresh install.
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Old 03-08-2010, 12:37 PM   #3
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Shadow is correct, and a floppy drive is required or you have to find a way to slipstream the drivers into another burn.
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Old 03-09-2010, 04:57 AM   #4
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You do not have to do a fresh install in order to use AHCI. It will require some minor registry tweating however. I did this for my SSD. I figured it's worth a try if I have to reinstall windows anyway. It's easy and it works.
http://www.ithinkdiff.com/how-to-ena...r-installation
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Old 03-09-2010, 09:28 AM   #5
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Interesting link.
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Old 03-09-2010, 11:57 AM   #6
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GRP, that link is for windows 7, not XP. It won't work for XP.


As for changing from IDE mode to ACHI mode, I read a while back that it is technically possible using a repair install. There were a few other steps involved as well, but honestly, the benefits of ACHI don't warrant the trouble.
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Old 03-10-2010, 04:38 AM   #7
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Thanks Force Flow, My bad on Win XP, but, if ifnfan has to reinstall windows anyways, it's a good time to dig a little deeper and install windows7.
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Old 03-13-2010, 12:04 AM   #8
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lfnfan, I have just ordered parts for a new build and am going to use XP. I read glc's sticky about AHCI, and was concerned because the new computer will not have a floppy drive.

I did some research, found the AHCI driver on the Asus chipset driver I downloaded from their website, and put it onto an SP3 slipstream CD that I made using nLite, which seems like a great program to me.

In browsing around trying to figure out what to do about AHCI support, I came across a thread that mentions a registry hack that might work even with XP already installed. Haven't tried it, but here's the link:

http://www.msfn.org/board/topic/1358...vers-on-an-xp/
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