Friday, September 10, 2010

Switch from IDE to AHCI

It looks it is possible to switch from IDE to AHCI after Windows was installed in IDE mode.
All you have to do is to change the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\msahci\Start key from 3 to 0.
 The details are here:

Increase in performance due to AHCI is minor (few percents) while the problems created by this new technology are gigantic (compared with IDE) especially if you use Windows XP!
 Think twice if you want to invest the time to activate AHCI.

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