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How do I change from IDE to ACHI?

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  • Hard Drives
  • Storage
Last response: in Storage
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October 4, 2011 10:38:07 PM

How do I change from IDE to ACHI?

More about : change ide achi

October 4, 2011 11:21:00 PM

You can only the setting in your BIOS if you have a SATA drive and a motherboard that has a SATA controller. You also can only use AHCI if your OS has the drivers installed. Windows XP does not have native SATA drivers, they can be can be intalled after the installation of the OS, but must be installed before the BIOS change. Windows Vista and Windows 7 have native SATA drivers, but again they have to be installed before the BIOS change. The following link describes haow to install the SATA drivers for Windows XP on a motherboard with a Intel chipset: http://saysprasad.wordpress.com/2009/02/01/installing-s...
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October 4, 2011 11:32:39 PM


1. Startup "Regedit
2. Open HKEY_LOCAL_MACHINE / SYSTEM / CurrentControlset / Services
3. Open msahci
4. In the right field left click on "start" and go to Modify
5. In the value Data field enter "0" and click "ok"
6. exit "Regedit"
7. Reboot Rig and enter BIOS (hold "Delete" key while Booting

In your BIOS select "Integrated Peripherals" and OnChip PATA/SATA Devices. Now change SATA Mode to AHCI from IDE.

You now boot into windows 7, the OS will recognize AHCI and install the devices. Now the system needs one more reboot and voilla .. enjoy the improved SSD performance.

I cheated, Quote from: http://forums.guru3d.com/showthread.php?t=313676
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October 5, 2011 12:14:51 AM

RetiredChief said:
1. Startup "Regedit
2. Open HKEY_LOCAL_MACHINE / SYSTEM / CurrentControlset / Services
3. Open msahci
4. In the right field left click on "start" and go to Modify
5. In the value Data field enter "0" and click "ok"
6. exit "Regedit"
7. Reboot Rig and enter BIOS (hold "Delete" key while Booting

In your BIOS select "Integrated Peripherals" and OnChip PATA/SATA Devices. Now change SATA Mode to AHCI from IDE.

You now boot into windows 7, the OS will recognize AHCI and install the devices. Now the system needs one more reboot and voilla .. enjoy the improved SSD performance.

I cheated, Quote from: http://forums.guru3d.com/showthread.php?t=313676



I knew that sounded familiar. :pt1cable: 
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