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Tuesday, 30 July 2013

How to enable AHCI mode in Windows 7


Boot in IDE mode, and copy the following into notepad, and save as a .reg file. Then double click on it, and okay it to install.

Code:
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci]
 "Start"=dword:00000000

Reboot (important!), and set AHCI mode (important! must be done before trying to install the performance driver).

Then download and install (or download beforehand) the Intel AHCI performance driver:
http://www.station-drivers.com/telec...ivers.com).exe
(its also for RAID etc).

Its on http://www.station-drivers.com/page/intel%20raid.htm

Don't download the 11.x series yet, they're alpha (pre-beta) and unstable. The 11.0.x is somewhat stable (seemingly) but are several months older than the 10.8's, which seem to work better anyway (they're the proper Intel released ones).

Reboot.

Credit: http://forums.guru3d.com/showthread.php?t=354428

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