Serial Advanced Technology Attachment (SATA) is a computer interface used to attach hard drives. The basic input/output system (BIOS) on the Dell Precision is a small program contained on the motherboard that enables users to change hardware settings via a simple graphical user interface (GUI). Users can change the SATA operation of drive to advanced host controller interface (AHCI) to improve hard drive performance. SATA Operation The Dell Precision includes an option in the BIOS to change the SATA operation, or SATA mode. SATA devices can run in ATA, AHCI or RAID mode. ATA mode lacks the features of AHCI, but is compatible with older operating systems. Kode Registrasi Winzip Driver. Next Welcome Ii Nextasy Rar Download. AHCI works with modern operating systems, like Windows Vista and Windows 7, and has extra features ATA lacks.