This message is for everyone who is having problems with installing the AHCI for the Dell Latitude D630.
Go to the Lenovo website http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-62909 and download the Intel Matrix driver that they have. Once you have downloaded it navigate to the folder and extract out the contents. Then go into the folder that says "Prepare' and click "install". It may seem like nothing has happened but you must restart your machine and then go into the BIOS before it reboots. Change the SATA setting to AHCI and the Flash setting(it will prompt you for which Flash must be enabled), and then let your machine fully reboot. Once logged in your machine will find new hardware. Point it to the folder where you extracted the files and it will install the drivers.
Did not work for me. After changing the BIOS settings and then rebooting to install the drivers, it continually reboots itself. Changed back to ATA in BIOS and back to normal. The HAL (hardware application layer) has to be changed which requires a reinstall of the OS with the BIOS set to AHCII.
Sawaddi, Before you begin the process above make sure that the SATA option is on ATA for the D630, and for other machines it has to be on Compatability. Then go through the process. I do not know how this will work with other Dell machines but I know that it works for the new D630 laptop.
Swaddi, The first step is in your bios change your SATA to ATA and turn your Flash Cache Module OFF. Then boot your machine into Windows. Navigate to the files you downloaded and extracted and go into the Prepare folder and click Install. Shut your machine down and on the boot go into your bios again and change the SATA setting to AHCI and your Flash Cache Module to Enable and the reboot.
Mine came with SATA set to AHCI and Flash Cache Module enabled. It was also pre-loaded with Windows Vista Home. I reset changed the settings in the bios so that I could load a clean copy of Windows XP. Then downloaded the software and installed the drivers.
Sawaddi, I had to post again... I forgot to tell you that before you can take any of the other steps above you have to install the Intel Chipset software. I hope that this did not cause anyone any inconvenience.