Proper noun
AHCI
(computing) Initialism of Advanced Host Controller Interface.: a hardware standard that exposes SATA's advanced capabilities such as hot-swapping of hard drives.
However, it isn't easy to switch the BIOS setting from IDE mode to AHCI once the OS is installed. Source: Internet
This article lays out the basics to help you make the right decisions when it comes to AHCI vs. RAID. Source: Internet
Unlike the chipset, which supports the usual mix of RAID configurations, the auxiliary ASMedia controller is limited to single-drive IDE and AHCI modes. Source: Internet