ThinkStation Desktop PC S20(410599U) Xeon W3520 (2.66GHz) 4GB DDR3 500GB HDD Windows 7 Professional x64 - Newegg.com
Chapter 6. Installing Hard Disk Drives And Configuring Raid; Installing Sata Hard Disk Drives And Configuring Raid; Installing Sata Hard Disk Drives; Configuring The System Bios To Enable Sata Raid Functionality -