AHCI SATA support

modulename: ahci.ko

configname: CONFIG_SATA_AHCI

Linux Kernel Configuration
└─>Device Drivers
└─>Serial ATA (prod) and Parallel ATA (experimental) drivers
└─>AHCI SATA support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option enables support for AHCI Serial ATA.

If unsure, say N.

source code:
drivers/ata/ahci.c