IDE Mode install WINDOW7 change back to Achi

A period of time ago to reload the system, the previous system is a new purchase when the Ghost Win7, the hard disk mode into the IDE, this reload forgot to change to Achi mode, forced to modify the BIOS for Achi mode, Win7 constantly restart, can not enter the system. But the system has been installed, and then reload too much trouble, so find a solution on the Internet, mainly to modify the registry, the following methods.

1 IDE mode, enter Win7, locate the registry

HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICESMSAHCI, double-click the Start option on the right to modify its value to: 0

2 Reboot the system, enter the BIOS, modify the hard drive mode for Achi, save and reboot.

3 normal into the Win7, the system will automatically install Achi Drive, OK, successful.

The reason is to change to Achi mode, I believe not to say more, theoretically faster than the traditional IDE mode. But this time I did a test before and after the modification, using the tool is HD Tune Pro 4.6, the changes before and after the drive read speed did not occur too much change, basically the same. But since you're a SATA hard drive, changing to Achi will theoretically get better performance.