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:
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 Onboard SATA RAID ROM item appears only when you set the Configure SATA As item to [RAID]. If the SATA RAID ROM 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 ATA/IDE Configuration 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)
BIOS SETUP UTILITY
Main |
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IDE Configuration |
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| Set[Compatible Mode] | |
ATA/IDE Configuration |
| [Enhanced] | when Legacy OS(i.e. | |
| WIN Me, 98, NT4.0, MS | |||
Configure SATA As |
| [RAID] | DOS)is used. | |
Onboard SATA RAID ROM |
| [Disabled] | Set[Enhanced Mode] | |
Primary IDE Master | : | [ATAPI | when Native OS(i.e. | |
Win2000, WIN XP)is | ||||
Primary IDE Slave | : | [Not Detected] | used. | |
IDE Detect Time Out (Sec) |
| [35] |
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5 - 16 | Chapter 5: BIOS setup |