ACHI mode in w7j

hello i want to purchase a G.SKILL FM-25S2S-120GBSR ssd but i was looking in the comments section and someone said to have AHCI mode enabled in the BIOS first i have BIOS ver. 305 when i look in the conf. the standard Hitachi drive shows up as ide I thought it was sata either way i would like to know if AHCI mode is available to me if there is an option to change to it thanx.