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  1. #256
    Joined
    Feb 2012
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    Hello All, I know this thread is old but I have been struggling with getting Windows XP to run on my Dual boot machine in AHCI mode.

    Good news is I finally got it to work and with the help of this forum and other information I found online on other forums. I wanted to share the information and my set up I have.

    Okay

    My System:
    Mother Board MSI P67A-G43 (B3)
    SSD Corsair Force GT3 120GB
    HDD Western Digital Caviar Black 1TB
    CPU Intel I7 2600k
    Heat-sink Hyper 212 Plus
    Memory Crucial 16GB DDR3 1333
    Graphics MSI HD 6950 Twin Frozr II 2 GB

    My system I installed both Windows XP Media Center Edition 2005 & Windows 7 Professional 64 in IDE Mode on my SSD. (Like some other users I still need to use XP for older games/software that I can't make run on Windows 7) I wanted to change from IDE to AHCI mode and when I did this the first time in BIOS I kept getting the BSOD after I rebooted every time. First I was able to figure out how to enable AHCI in Windows 7 by following the instructions here:
    http://www.windows7news.com/2010/05/...-in-windows-7/

    Now I was able to boot into Windows 7 without the BSOD. Windows XP was another story. I could not figure out how to enable AHCI without getting the BSOD. I followed the multiple procedures in this forum but none of them worked for me. This is what I did that worked for me:
    I downloaded Intel® Rapid Storage Technology driver (latest as of 2/23/2012)
    iata_enu_10.8.0.1003.exe
    from http://downloadcenter.intel.com/Sear...age+Technology

    I placed the downloaded file in my
    C:\Documents and Settings\Owner directory

    I then opened command prompt and typed in
    iata_enu_10.8.0.1003.exe -a

    I then went to
    C:\Program Files\Intel\Intel(R) Rapid Storage Technology\Drivers\x32

    I copied the iaStor.sys file

    I pasted it here
    C:\WINDOWS\system32\drivers

    I then opened Device Manager opened up the IDE ATA/ATAPI controllers and right clicked IDE 1 driver and selected to update driver.
    I selected to “Install from list or specific location”
    Then I selected “Don’t search. I will choose the driver to install”
    Then I selected “Have Disk…”
    I browsed to
    C:\WINDOWS\system32\drivers
    I selected iaStor.sys file
    I clicked OK
    I selected driver
    “Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI Controller”
    (I had previously tried some of the other drivers but they crashed my system)

    After the driver installs it will ask to reboot your system.
    Reboot the system and go into you BIOS and now change to AHCI mode.

    Save your settings and boot up Windows XP

    If it worked your Windows XP should now boot up to the desktop without a BSOD in AHCI mode.
    It should now start installing any other disc drive drivers automatically upon boot up.
    Run the iata_enu_10.8.0.1003.exe file
    (It should let you now without any error)
    Reboot the system (installation will tell you to)
    Boot up to Windows XP desktop. If you made it this far you have now successfully updated your Windows XP to run in AHCI mode.

    Hope this information helps someone out there trying to get Windows XP to run in AHCI

    Note: I had done many of the registry mods in this forum but I can’t tell you if any of them had any effect for my system since after trying each of them I had continued to get the BSOD.
    This one below posted by Andrey M on 5/8/2011 was the last one I had tried.
    --------------------------------------
    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2681&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C1&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C5&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2821&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2829&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2922&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2929&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3A02&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3A22&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3B29&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3B2F&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3B22&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_1C02&cc_0106 ]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_1C03&cc_0106 ]

    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStor]
    "Type"=dword:00000001
    "Start"=dword:00000000
    "Group"="SCSI miniport"
    "ErrorControl"=dword:00000001
    "ImagePath"="system32\\drivers\\iaStor.sys"
    "tag"=dword:00000019
    "DisplayName"="Intel AHCI Controller"

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStor\Parameters]
    "queuePriorityEnable"=dword:00000000

  2. #257
    Joined
    Feb 2012
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    I wanted to add this info since it is related to my previous post. It is about TRIM on SSD which is what my system has. I found the information below somewhere online months ago and would like to give whoever wrote this up the appropriate credit

    TRIM Frequently Asked Questions
    ________________________________________
    TRIM (ATA8 ACS2 Data Set Management Trim Attribute):


    What is TRIM?

    The TRIM command has been designed to maintain the performance of solid-state drives at an optimal level over the course of the drive’s lifetime.


    How does TRIM work?

    TRIM actively deletes invalid data from the SSD’s memory cells to ensure that write operations perform consistently at full speed. Invalid data is defined as data that has been deleted by the user/host OS, but which remains physically stored on the memory cell until it is overwritten. Since a memory block must be erased before it can be re-programmed, TRIM improves performance by pro-actively erasing data blocks containing invalid data, thereby allowing the SSD to write new data to the memory without first having to perform a time-consuming erase command.


    How do I enable support for TRIM?

    For TRIM to function the operating system, storage drivers and solid-state drive must all support the TRIM command. Currently, only Microsoft Windows 7 operating systems support the TRIM command and only when the default Microsoft Storage Driver (MSAHCI) from Microsoft is used.
    As such, TRIM is only supported in single-drive configurations, since current RAID storage drivers do not pass on the TRIM command from the operating system.


    How to check if TRIM is active

    To check if the TRIM command is active on your PC, start a Command Prompt window (type “CMD” in the Search bar from the Windows Start Menu) and enter the following command:

    fsutil behavior query DisableDeleteNotify

    If the result is “0” then the TRIM command is enabled, and if the result is “1” then the TRIM command is disabled.

    Use the following command to enable TRIM:

    fsutil behavior query|set DisableDeleteNotify = 0

    The DisableDeleteNotify command only indicates that the operating system is passing the TRIM command on to the storage drivers. It does not indicate whether or not the storage drivers are passing the command on to the storage controller IC in the SSD, or whether the storage controller IC supports TRIM. As such, as result of “0” is not a guarantee that TRIM is functioning correctly.

    To determine whether TRIM is functioning correctly, you can periodically measure the performance of your SSD using tools such as ATTO and CrystalDiskMark. If the performance of your drive is generally at the level specified on the Corsair website for your specific drive then you can be confident that TRIM is functioning.

    Please note that the performance levels of all SSDs will fluctuate from the maximum due to normal usage, so you should not expect the drive to produce completely consistent benchmark numbers, or attain the maximum theoretical performance. Only a clean (Secure-Erased) SSD will deliver the absolute maximum theoretical performance figures.


    TRIM Support Checklist

    - Microsoft Windows 7 operating system
    - SSD with TRIM-supporting Firmware
    - Storage Controller configured in IDE or AHCI mode
    - Microsoft Storage Driver (MSAHCI / working for IDE and AHCI mode)

  3. #258
    Joined
    Sep 2012
    Posts
    1

    Re: HOWTO: enable AHCI mode after installing Windows

    <s>I have two separate hard drives in my system, one with Windows 7 64 bit installed under AHCI, and the other with Windows XP 32 Bit installed under SATA/RAID.

    My problem is as of right now, XP is throwing Stop 0xB7 on bootup, even when setting the BIOS Setting to RAID mode. My Hard Drive controller is Intel(R) Desktop/Workstation/Server Express Chipset SATA AHCI Controller on a Dell XPS 8300

    Any way to fix this and get my XP booting up again, preferably under AHCI so I do not have to change my BIOS setting every time I want to boot XP, and so I can set up a dual boot?

    My Southbridge is Intel H67 rev B3 on an i7-2600 Sandy Bridge chipset</s>

    Edit: After slipstreaming the drivers and trying to do a repair install, only to get the famous "Setup is Restarting" freeze, I just decided to say screw it and do a fresh re-install, however now my XP will not have internet because my network hardware (Broadcom DW1501 Wireless-N WLAN Half-Mini Card for wireless and Broadcom NetLink (TM) Gigabit Ethernet for hardwired) is a lot newer then XP, therefore no drivers have been made.
    Last edited by LReyomeXX; 09-23-2012 at 03:45 PM. Reason: Fixed - However Another Problem Arose!

  4. #259
    Joined
    Jan 2013
    Posts
    1

    Re: HOWTO: enable AHCI mode after installing Windows

    Does anybody know what registry edit I could use for a Z68 chipset? Thanks!

  5. #260
    Joined
    Jan 2013
    Posts
    1

    Re: HOWTO: enable AHCI mode after installing Windows

    http://support.microsoft.com/kb/922976

    For Win 7 or vista, install the program at the above link and then you just change the settings in bios to AHCI

  6. #261
    Joined
    Jul 2005
    Location
    columbia, mo
    Age
    26
    Posts
    814

    Re: HOWTO: enable AHCI mode after installing Windows

    I have a thread on this and it's quite easy to do.

    My new question is I want to upgrade my AHCI to RAID0 while retaining my current windows state. I suppose I just need to add the RAID drivers like I would for AHCI prior to backup?

    I'll create a full backup of my windows using EaseUS Partition Master Professional. Back it up to the 3rd standalone 320GB drive. I'm running a 320GB drive for windows and have a 320GB Backup. I would then pop in my extra 320GB drive, wipe out both drives and create my 128KB RAID0 using the AMD SB710 on my Gigabyte ga-78lmt-s2p.

    Restore backup via EaseUS Partition Master Professional Linux boot usb drive. Then boot into windows....

    Anyone have experience doing this?

    THANKS

    -Intel Core i7 930 @ 4,200Mhz (Lapped)
    -Cocage True Spirit (Lapped)
    -6GB OCZ DDR3-1600 @ DDR3-1600
    -ASUS RAMPAGE II GENE
    -ASUS & ZOTAC GeForce GTX 470s SLI @ 800Mhz Core, 1600Mhz Shader, 1700Mhz Memory @ 1025mv - Sending flawless 5.1 DTS Interactive to Receiver Too! (192Khz, 24Bit RAW PCM)
    -2X WD1001FALS Black Edition,2X SEAGATE 250GB Drives in RAID0, and a WD20EARS
    -Lian Li PC-V354 Case - **Custom Modding In Progress**
    -Kingwin MK-1000W Black Premium Edition Power Supply
    -PIONEER VSX-520-K HOME THEATER 3D HIGH DEFINITION RECEIVER
    -Dayton Audio Dayton HTP-3 5.1 Home Theater Package 12" Powered Subwoofer
    -Samsung LN40B500 40" 1080p LCD HDTV

  7. #262
    Joined
    Jun 2013
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    I installed Windows XP on a netbook and had to switch from AHCI to IDE in the bios inorder to run it. Of ALL the forums and howtos on this NOBODY mentioned anything about an F6 method until I read this. So I'm stuck at Step 1. Which Intel Matrix Storage Manager should I download from here https://downloadcenter.intel.com/Sea...l%C2%AE+RST%29 that will work with my chipset. They all seem to be for either RAID or specific Chipsets which aren't mine. Will any do? I don't want to mess this up.
    Last edited by Wsky; 06-26-2013 at 02:38 PM. Reason: edit error

  8. #263
    Joined
    Aug 2013
    Posts
    1

    Re: HOWTO: enable AHCI mode after installing Windows

    Thanks very much

  9. #264
    Joined
    Jun 2013
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    I took another crack at this almost a year later here and Efraim's reg file FINALLY worked! It was the third reg file I tried. Intel also seemed to have the correct files for download this time when they seemed absent months ago.

    Thank you! I now have a triple boot netbook and it runs MUCH faster on XP!

    Quote Originally Posted by Efraim View Post
    The following reg file should work with almost any chipset

    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2681&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C1&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C5&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2821&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2829&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2922&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2929&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3A02&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3A22&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3B29&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_3B2F&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_B22&cc_0106]
    "Service"="iaStor"
    "ClassGUID"="{4D36E96A-E325-11CE-BFC1-08002BE10318}"

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStor]
    "Type"=dword:00000001
    "Start"=dword:00000000
    "Group"="SCSI miniport"
    "ErrorControl"=dword:00000001
    "ImagePath"="system32\\drivers\\iaStor.sys"
    "tag"=dword:00000019
    "DisplayName"="Intel AHCI Controller"

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStor\Parameters]
    "queuePriorityEnable"=dword:00000000

  10. #265
    Joined
    Feb 2014
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    hi
    I upgrade my pc's motherboard from Gigabyte EP41 to GA-H87 -HD3. But I can't run on it my hdd that windows xp installed on it before. I changed the AHCI mode to IDE in BIOS to try Install the AHCI driver by edit the registry as above.
    but in the registry I can't find some item like "msahci" and in the otherwise you see iaStorA.sys and iaStorF.sys in the Gigabyte's site Driver.

    I have some program that work only on xp.

  11. #266
    Joined
    Feb 2014
    Posts
    2

    Re: HOWTO: enable AHCI mode after installing Windows

    i try with this one.
    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2652&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2682&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C3&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_27C6&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_2822&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_282A&cc_0104]
    "Service"="iaStorV"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase\pci#ven_8086&dev_8c02&cc_0106]
    "Service"="iaStorA"
    "ClassGUID"="{4D36E97B-E325-11CE-BFC1-08002BE10318}"



    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorA]
    "Type"=dword:00000001
    "Start"=dword:00000000
    "Group"="SCSI miniport"
    "ErrorControl"=dword:00000001
    "ImagePath"="system32\\drivers\\iaStorA.sys"
    "tag"=dword:00000041
    "DisplayName"="Intel AHCI Controller"

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorA\Parameters]
    "queuePriorityEnable"=dword:00000000

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorF]
    "Type"=dword:00000001
    "Start"=dword:00000000
    "ErrorControl"=dword:00000001
    "ImagePath"="system32\\drivers\\iaStorF.sys"
    "tag"=dword:00000041

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\iaStorV]
    "Type"=dword:00000001
    "Start"=dword:00000003
    "Group"="SCSI miniport"
    "ErrorControl"=dword:00000001
    "ImagePath"="system32\\drivers\\iaStorV.sys"
    "tag"=dword:00000019
    but it didn't run windows.

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