Asus RS120-E3 PA4 User Guide - Page 82

The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands. If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface (AHCI), set this item to [AHCI]. For details on AHCI, go to: www.intel.com/support/chipsets/imst/sb/CS-012304.htm www.intel.com/support/chipsets/imst/sb/CS-012305.htm The SATA controller is set to Native mode when this item is set to [RAID] or [AHCI]. Onboard SATA RAID ROM [Disabled] Allows you to enable or disable the onboard SATA RAID boot ROM.If you would like to configure the SATA RAID, please set this option to "Enabeld". Configuration options: [Disabled] [Enabled] The O n b o a r d S A T A R A I D R O M item appears only when you set the C o n f i g u r e S A T A A s item to [RAID]. If the S A T A R A I D R O M disabled, the RAID utility won't appear during POST. Legacy IDE Channels [SATA Pri, PATA Sec] Allows you to set Serial ATA, Parallel ATA, or both, to legacy mode. Configuration options: • [SATA Only] - SATA1, SATA2, SATA3, and SATA4 ports are available • [PATA Pri, SATA Sec] - PATA, SATA2, and SATA4 ports are available • [SATA Pri, PATA Sec] - SATA1, SATA3, and PATA ports are available • [PATA Only] - Only PATA ports are available The Legacy IDE Channels option appears only when you set the A T A/I D E C o n f i g u r a t i o n item to [Compatible] mode. IDE Detect Time Out (Sec) [35] Selects the time our value (in seconds) for detecting ATA/ATAPI devices. Configuration options: [0] [5] [10] [15] [20] [25] [30] [35] (RAID Mode) Main BIOS SETUP UTILITY IDE Configuration ATA/IDE Configuration Configure SATA As Onboard SATA RAID ROM [Enhanced] [RAID] [Disabled] Primary IDE Master Primary IDE Slave : [ATAPI CD-ROM] : [Not Detected] IDE Detect Time Out (Sec) [35] Set[Compatible Mode] when Legacy OS(i.e. WIN Me, 98, NT4.0, MS DOS)is used. Set[Enhanced Mode] when Native OS(i.e. Win2000, WIN XP)is used. 5-16 Chapter 5: BIOS setup