F6 Mass storage drivers are required.  AHCI requires F6 drivers at install to "SEE" the drives.  It may also say "A required CD/DVD driver device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now."

http://www.intel.com/content/www/us/en/support/technologies/000005611.html

https://www.ubuntu.com/download/desktop

UBUNTU 16.04 LTS has the drivers.  You cant use ancient vaccuum tube versions of Ubuntu.

Intel Rapid Storage Technology (Pre-OS Install) Driver F6 floppy or USB flash drive.

Windows 8.1*
Windows 8*
Windows 7*
Windows Server 2012*
Windows Server 2008 R2*
Windows Server 2008*

https://downloadcenter.intel.com/download/23496

http://www.dell.com/support/home/us/en/04/Drivers/DriversDetails?driverId=9F51R

http://en.community.dell.com/techcenter/enterprise-client/w/wiki/3797.precision-t3600-windows-7-driver-cab

http://www.dell.com/support/article/us/en/04/SLN133401/

The following list is an overview of the correct order to install drivers on Dell Precision™ Workstation T3600/T5600/T7600 systems. After manually reinstalling a Microsoft Windows® operating system, follow the order listed when reinstalling drivers. It is recommended that you print this list for reference.

1. Desktop System Software (DSS) - A vital utility that provides critical updates and patches for the operating system. If you are reinstalling Windows or updating all drivers, it is important that this software be installed first. This is located under the System Utilities Category on the Drivers and Downloads page.
   
   Note:

   If the Drivers and Downloads page is not showing the product you are looking for click Change Product and input your Service Tag or select your Product from the list.
2. Chipset/Controller Driver and Software - Helps Windows control system board components and controllers, such as USB and other internal components. This is located under the Chipset Category or Storage Controller and/or Serial ATA Category on the Drivers and Downloads page.
   
   
3. Video- Enhances video performance. This is located under the Video Category on the Drivers and Downloads page.
   
   
4. Network Interface Card (NIC) / Ethernet Controller - Enhances the network controller for Internet or network access. This is located under the Network Category on the Drivers and Downloads page.
   
   
5. Input - Enables Smartcard Reader Keyboards. Located under the Input Category on the Drivers and Downloads page.
   
   
6. Audio - Enables and enhances the audio controller. This is located under the Audio Category on the Drivers and Downloads page.
   
   
7. All Other Devices:
   
   
   • Intel Identity Protection Technology or AMT - Enhances system manageability. This is located under the Chipset Category on the Drivers and Downloads page.
     
     
   • NEC USB 3.0 Driver located under the Network Category on the Drivers and Downloads page
     
     
   • Dell Data Protection- Allows Secure Login capability. This is located under the Dell Data Protection Category on the Drivers and Downloads page.
     
     
   • Touch Screen Digitizer/Display Driver - Enables touch screen mouse control available with Dell SX2210 displays or adds additional functionality to P2312H, U2412M P2012H, P2412Hb and other displays. This is located under the Drivers for OS Deployment Category on the Drivers and Downloads page.

Other Versions

• 14.8.14.1063
• 15.5.0.1051 (Latest)
• 14.8.14.1061
• 15.2.0.1020
• 15.2.16.1060
• 14.8.0.1042
• 14.0.0.1143
• 13.6.0.1002
• 13.2.4.1000
• 13.1.0.1058
• 12.8.0.1016
• 12.5.0.1066
• 12.0.0.1083
• 11.7.0.1013

Thanks! That did it for me!