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Switch to AHCI mode after Install?

post #1 of 7
Thread Starter 
Hello I have a single sata1 drive with win7-64 installed in this rig. The resulting config after set-up was IDE mode. I was wondering if it would be possible to use AHCI mode without reinstalling windows?
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post #2 of 7
Yeah, you can do this smile.gif
Quote:
To resolve this issue, enable the AHCI driver in the registry before you change the SATA mode of the boot drive. To do this, follow these steps:
Exit all Windows-based programs.

Click Start, type regedit in the Start Search box, and then press ENTER.

If you receive the User Account Control dialog box, click Continue.

Locate and then click one of the following registry subkeys:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci

In the right pane, right-click Start in the Name column, and then click Modify.

In the Value data box, type 0, and then click OK.

On the File menu, click Exit to close Registry Editor.
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post #3 of 7
To change from IDE to AHCI Mode after Windows 7 installation do the following:

(1) Exit all Windows-based programs.

(2) Press [Win] + R or take the RUN option from the start menu.

(3) Now type regedit there and press Enter Key to open up the Registry Editor Window. (If you receive the User Account Control dialog box, click Continue.)

(4) Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\msahci

(5) In the right pane, right-click Start in the Name column, and then click Modify.

(6) In the Value data box, type 0 [3 is default], and then click OK.

(7) On the File menu, click Exit to close Registry Editor.

(8) Restart your computer

(9) Go to BIOS and enable AHCI, Save & Reboot

(10) Another restart will be required to finish the driver installation.
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post #5 of 7
Quote:
Originally Posted by pshootr;15329255 
Hello I have a single sata1 drive with win7-64 installed in this rig. The resulting config after set-up was IDE mode. I was wondering if it would be possible to use AHCI mode without reinstalling windows?

Yeah you can

here is instructions :

http://www.sevenforums.com/tutorials/61869-ahci-enable-windows-7-vista.html?ltr=A
post #6 of 7
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post #7 of 7
Thread Starter 
Thanks a lot for all the great suggestions. I will use regedit wink.gif
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Crucial MX-100 SSD 256GB OS/Programs/Games WD-Black 2TB Games/Programs WD-Green 3TB Data/Backup ASUS 24X DVD Burner 
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AMD FX-8320E 4.6Ghz 1.380v "Load" Crosshair V Formula-Z Sapphire R9 290 Tri-X OC 1100/1400 16GB Trident-X 2400 2x8 
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Crucial MX-100 SSD 256GB OS/Programs/Games WD-Black 2TB Games/Programs WD-Green 3TB Data/Backup ASUS 24X DVD Burner 
CoolingOSMonitorKeyboard
Cryorig R1-Ultimate Win 7 Ultimate x64 Auria 23.5 1080 Microsoft 
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